Every free ai / ml tier that clears our bar in 2026: 45 offers meet the criteria and 15 offers are demoted with a named reason. Verified pricing, recorded changes, and a published ranking method.
1 offer here is labelled embeddings_api — returns a vector for text or media so it can be compared to other vectors; the vector is the output, not a completion.
Vector database — 2 GB storage, 2M write units/month, 1M read units/month, 5 indexes, 5M embedding tokens/month. Pinecone Assistant: 100 docs / 1 GB
Labelled embeddings_api. We read that on 2026-09-01 from https://pinecone.io/pricing, where it says: “Inference - Embedding llama-text-embed-v2 5M tokens/mo included”. How we use this
2 offers here are labelled gpu_compute — sells accelerator time for code you write; the unit billed is machine time, not a model call. None is distinguishable from the others in this group under any signal we record.
ML platform (now part of DigitalOcean). Free Gradient plan: public projects and 5 GB storage only. No free compute — all GPU and CPU instances are billed hourly. Paid plans from $8/month.
Labelled gpu_compute. We read that on 2026-09-01 from https://www.paperspace.com/pricing, where it says: “Instances outside of the free-tier are billed per hour at their hourly rate”. How we use this
Data science platform (Google) — entirely free: 30 hrs/week GPU compute (NVIDIA Tesla P100), 20 hrs/week TPU with a 9-hour cap per session, 20 GB working disk per session. Unlimited public notebooks, datasets, and competitions Best for unlimited usage needs.
Labelled gpu_compute. We read that on 2026-09-01 from https://www.kaggle.com/docs/notebooks, where it says: “a cloud computational environment that enables reproducible and collaborative analysis”. How we use this
2 offers here are labelled image_video_generation — produces images or video from a prompt or a source image. None is distinguishable from the others in this group under any signal we record.
easy-to-use, free image generation AI with free API available. No signups or API keys required, and several option for integrating into a website or workflow. [#opensource](https://github.com/pollinations/pollinations)
Labelled image_video_generation. We read that on 2026-09-01 from https://pollinations.ai/, where it says: “Generate images, text, audio and video with state-of-the-art AI models”. How we use this
AI media gateway providing unified access to leading image generation models via an OpenAI-compatible API. The platform itself is free to use with zero markup and no subscription fee. Inference costs for most models are billed at provider price, but FLUX.1 [schnell] FP8 is offered free forever with unlimited usage for registered users. Built-in failover and provider resilience included. Best for unlimited usage needs.
Labelled image_video_generation. We read that on 2026-09-01 from https://lumenfall.ai/, where it says: “The Unified API for AI Image and Video Generation”. How we use this
2 offers here are labelled web_search_api — answers a query with current web results shaped for a model to read. None is distinguishable from the others in this group under any signal we record.
API for online search and rapid insights and comprehensive research, with the capability of organization of research results. 1000 request/month for the Free tier with No credit card required.
Labelled web_search_api. We read that on 2026-09-01 from https://tavily.com/, where it says: “Fast and secure APIs for web search and content extraction”. How we use this
Superseded: As of 2026-09-03, exa.ai/pricing reads: Starter Free $20 credits on sign-up with $10 credits every month. No payment method required Includes: Free $10 credits per month MCP server access Claude Connector ChatGPT plugin 50+ integrations Access to all endpoints 5 Search Queries Per Second (QPS). We are not publishing our stored Exa terms beside it — our own pricing change record, discovered 2026-09-03, names them as the previous ones. Read what we recorded ↓ Note — discovered 2026-09-03: The free tier now offers $20 in credits on sign-up with $10/month, and 5 Search Queries Per Second (QPS). Previously 1,000 free searches/month with an API key, and no API key was required for x402. Source ↗
Labelled web_search_api. We read that on 2026-09-01 from https://exa.ai/pricing, where it says: “Exa is a modern AI search engine with SERP API, website crawler tools, and deep research API”. How we use this
7 offers here are labelled model_gateway — one endpoint that reaches models run by several independent providers; what is sold is the routing, key management and fallback, not the weights. None is distinguishable from the others in this group under any signal we record.
AI media gateway providing unified access to leading image generation models via an OpenAI-compatible API. The platform itself is free to use with zero markup and no subscription fee. Inference costs for most models are billed at provider price, but FLUX.1 [schnell] FP8 is offered free forever with unlimited usage for registered users. Built-in failover and provider resilience included. Best for unlimited usage needs.
Labelled model_gateway. We read that on 2026-09-01 from https://lumenfall.ai/, where it says: “unified access to the top image and video models across leading providers”. How we use this
Rebranded to Respan; keywordsai.co redirects to respan.ai. Free plan: full platform, 100k logs, 1k scores, 5 datasets, 2 evaluators, 5 prompts. No credit card required.
Labelled model_gateway. We read that on 2026-09-02 from https://www.respan.ai, where it says: “Point the SDK you already use at one endpoint to reach 1,000+ models”. How we use this
ML model hub — $0.10/month free inference credits, 200+ models via Inference Providers, unlimited model hosting on Hub Best for unlimited usage needs.
Labelled model_gateway. We read that on 2026-09-01 from https://huggingface.co/docs/inference-providers/pricing, where it says: “route requests through Hugging Face”. How we use this
Superseded: As of 2026-09-07, openrouter.ai/pricing reads: Free tier includes 25+ free models, 4 free providers, 50 reqs/day rate limit, $25,000 of list price inference / month with no fees, 5% fee after that. We are not publishing our stored OpenRouter terms beside it — our own pricing change record, discovered 2026-09-07, names them as the previous ones. Read what we recorded ↓ Note — discovered 2026-09-07: The free tier now has a rate limit of 50 requests/day, and offers access to 25+ free models and 4 free providers. Previously ~30 free models and ~20 RPM per model. There is also a $25,000/month inference limit with no fees, followed by a 5% fee. Source ↗
Labelled model_gateway. We read that on 2026-09-01 from https://openrouter.ai/pricing, where it says: “Pay only for what you use with access to 500+ AI models”. How we use this
Control panel for Gen AI apps featuring an observability suite & an AI gateway. Send & log up to 10,000 requests for free every month.
Labelled model_gateway. We read that on 2026-09-01 from https://portkey.ai/, where it says: “Portkey is now PRISMA AIRS AI Gateway”. How we use this
UK-based free LLM inference gateway. Free tier supported by donors — access to 30+ models including DeepSeek R1, Qwen2.5 Coder, text, image, and speech-to-text models. No published rate limits on free tier.
Labelled model_gateway. We read that on 2026-09-01 from https://llm7.io, where it says: “Connect to leading AI models with one endpoint”. How we use this
Simulate, evaluate, and observe your AI agents. Maxim is an end-to-end evaluation and observability platform, helping teams ship their AI agents reliably and >5x faster. Free forever for indie developers and small teams (3 seats). Best for startups.
Labelled model_gateway. We read that on 2026-09-01 from https://getmaxim.ai/, where it says: “The fastest, most resilient, enterprise-grade LLM, MCP, and agent gateway”. How we use this
4 offers here are labelled model_hosting — you supply or select a model and the platform serves it behind an endpoint on hardware you choose. None is distinguishable from the others in this group under any signal we record.
ML platform (now part of DigitalOcean). Free Gradient plan: public projects and 5 GB storage only. No free compute — all GPU and CPU instances are billed hourly. Paid plans from $8/month.
Labelled model_hosting. We read that on 2026-09-01 from https://www.paperspace.com/pricing, where it says: “Deployments (inference) - Model Repository”. How we use this
ML model hub — $0.10/month free inference credits, 200+ models via Inference Providers, unlimited model hosting on Hub Best for unlimited usage needs.
Labelled model_hosting. We read that on 2026-09-01 from https://huggingface.co/docs/inference-providers/pricing, where it says: “Inference Endpoints (dedicated)”. How we use this
Superseded: As of 2026-08-28, roboflow.com/pricing reads: Public plan is free, requires no credit card, and includes 15 credits / month, 2 users, and Community Support. Data and models are open source on Roboflow Universe. We are not publishing our stored Roboflow terms beside it — our own pricing change record, discovered 2026-08-28, names them as the previous ones. Read what we recorded ↓ Note — discovered 2026-08-28: The free Public plan now offers 15 credits/month instead of 250,000 images, 10 projects, 2 users, and $60/month free inference credits. Source ↗
Labelled model_hosting. We read that on 2026-09-01 from https://roboflow.com/pricing, where it says: “Data labeling suite w/ AI features Model training Workflow builder Cloud hosted deployment”. How we use this
ML model hosting and inference platform — free runs on curated model collection without billing. Pay-per-second billing by hardware type (CPU/GPU) after free allowance. No credit card required to start
Labelled model_hosting. We read that on 2026-09-01 from https://replicate.com/pricing, where it says: “Thousands of open-source machine learning models have been contributed”. How we use this
7 offers here are labelled llm_evaluation — scores model or agent output against a dataset, a rubric or a judge model on runs you trigger. None is distinguishable from the others in this group under any signal we record.
Evals, prompt playground, and data management for Gen AI. Starter plan (free): 1 GB processed data/month, 10k scores/month, 14 days data retention. Unlimited users, projects, datasets, playgrounds, and experiments. Overage: $4/GB data, $2.50 per 1k scores. Best for unlimited usage needs.
Labelled llm_evaluation. We read that on 2026-09-01 from https://www.braintrust.dev/pricing, where it says: “Transparent pricing for AI evaluation, monitoring, and observability”. How we use this
Superseded: As of 2026-09-01, langchain.com/pricing reads: Developer plan is $0/seat/month with up to 5k base traces/month, then pay-as-you-go. LCU is $1.50/unit and LSU is $1.00/unit. Plus plan is $39/seat/month with up to 10k base traces/month, then pay-as-you-go. We are not publishing our stored LangSmith terms beside it — our own pricing change record, discovered 2026-09-01, names them as the previous ones. Read what we recorded ↓ Note — discovered 2026-09-01: The free tier now includes pay-as-you-go pricing for traces beyond 5k/month, and introduces LCUs and LSUs for additional costs related to compute and storage. Source ↗
Labelled llm_evaluation. We read that on 2026-09-01 from https://www.langchain.com/pricing, where it says: “Evaluation Score and improve agent performance”. How we use this
Rebranded to Respan; keywordsai.co redirects to respan.ai. Free plan: full platform, 100k logs, 1k scores, 5 datasets, 2 evaluators, 5 prompts. No credit card required.
Labelled llm_evaluation. We read that on 2026-09-02 from https://www.respan.ai, where it says: “Route, observe, and evaluate every LLM call”. How we use this
A LLMOps platform helping AI teams measure, monitor, and optimize LLM applications for reliability, cost-efficiency, and performance. With a powerful DSPy component, we enable seamless collaboration between engineers and non-technical teams to fine-tune and productionize GenAI products. Free plan includes all platform features, 1k traces/month and 1 workflow DSPy optimizers. [#opensource](https://github.com/langwatch/langwatch)
Labelled llm_evaluation. We read that on 2026-09-01 from https://langwatch.ai, where it says: “AI agent testing and evaluation that turns unpredictable agents into reliable production systems”. How we use this
AI engineering platform for evaluating and observing AI applications and agents. AX Free plan: 25K trace spans/month, 1 GB ingestion/month, 15 days data retention. Includes online evals, product observability, built-in Alyx agent, and community support.
Labelled llm_evaluation. We read that on 2026-09-01 from https://arize.com/pricing, where it says: “Trace, evaluate, and improve your agents”. How we use this
Superseded: As of 2026-08-28, comet.com/site/pricing reads: There are multiple free options: 'Free' (Open Source GitHub), 'Free Cloud' (up to 10 team members, 25k spans per month, 60-day data retention), and a 'Free' plan for academics. The 'Free Cloud' plan includes Agent tracing & analysis, Test Suites & assertions, and Agent Playground. We are not publishing our stored Comet ML terms beside it — our own pricing change record, discovered 2026-08-28, names them as the previous ones. Read what we recorded ↓ Note — discovered 2026-08-28: The free tier is now limited to 25k spans per month with 60-day data retention, and focuses on observability and agent testing. There is also a separate 'Free Cloud' plan with different limits (up to 10 team members, 25k spans, 60-day retention) and a 'Free' open-source option. A free pro plan for academics is mentioned as 'New!'. Source ↗
Labelled llm_evaluation. We read that on 2026-09-01 from https://www.comet.com/site/pricing/, where it says: “Systematically test your AI application over an entire dataset”. How we use this
Open-source LLM engineering platform that helps teams collaboratively debug, analyze, and iterate on their LLM applications. Free forever plan includes 50k observations per month and all platform features. [#opensource](https://github.com/langfuse/langfuse)
Labelled llm_evaluation. We read that on 2026-09-01 from https://langfuse.com/, where it says: “Evaluation LLM-as-a-judge, heuristic functions, or human review. Run evaluators on production data or during experiments.”. How we use this
1 offer here is labelled agent_tool_access — supplies an agent with authenticated connections to third-party applications it can call as tools.
Integration platform for AI Agents and LLMs. Integrate over 200+ tools across the agentic internet. Best for open source projects.
Labelled agent_tool_access. We read that on 2026-09-01 from https://composio.dev/, where it says: “secure delegated auth, sandboxed environments, and parallel execution across 1,000+ apps”. How we use this
3 offers here are labelled document_extraction — turns a document or a scan into text or structured fields. None is distinguishable from the others in this group under any signal we record.
20 free pages/month: Extract data from PDFs, emails. AI powered. Full API access.
Labelled document_extraction. We read that on 2026-09-01 from https://parseur.com, where it says: “automate text extraction from PDFs, emails, and other documents”. How we use this
An OCR API parses image and pdf files that return the text results in JSON format. 25,000 requests per month are free and a 1MB file size limit.
Labelled document_extraction. We read that on 2026-09-01 from https://ocr.space/, where it says: “Web API to extract text from images and convert scans to searchable PDF”. How we use this
Turn any unstructured documents (PDF, XLSX, JPG, PPTX, etc.) into structured JSON data. Parse, extract data, and edit PDF forms. Free tier with 15k free credits and pay-as-you-go.
Labelled document_extraction. We read that on 2026-09-01 from https://reducto.ai, where it says: “Reducto's parser reads documents like a human would”. How we use this
1 offer here is labelled speech_api — converts recorded or streamed speech to text, or text to speech.
Speech-to-text and audio intelligence API — free: $50 in credits (~185 hours pre-recorded transcription). Up to 5 concurrent streams. Core STT and Audio Intelligence models. Pay-as-you-go at $0.15/hr after
Labelled speech_api. We read that on 2026-09-01 from https://www.assemblyai.com/pricing, where it says: “Pre-recorded Speech-to-Text API”. How we use this
2 offers here are labelled experiment_tracking — records training or evaluation runs, their metrics and artifacts, and keeps a registry of model versions. None is distinguishable from the others in this group under any signal we record.
Superseded: As of 2026-09-03, wandb.ai/site/pricing reads: The free tier is $0/mo and includes 1 user seat, experiment tracking, registry & lineage tracking, and is for personal projects only. Corporate use is not allowed. We are not publishing our stored Weights & Biases terms beside it — our own pricing change record, discovered 2026-09-03, names them as the previous ones. Read what we recorded ↓ Note — discovered 2026-09-03: The free tier now explicitly states it's for personal development and prohibits corporate use. It includes 1 user seat, 5GB of storage, and up to 5 model seats. The page also details Pro and Enterprise tiers with associated costs and features. Source ↗
Labelled experiment_tracking. We read that on 2026-09-01 from https://wandb.ai/site/, where it says: “Experiments Track and visualize your experiments”. How we use this
Superseded: As of 2026-08-28, comet.com/site/pricing reads: There are multiple free options: 'Free' (Open Source GitHub), 'Free Cloud' (up to 10 team members, 25k spans per month, 60-day data retention), and a 'Free' plan for academics. The 'Free Cloud' plan includes Agent tracing & analysis, Test Suites & assertions, and Agent Playground. We are not publishing our stored Comet ML terms beside it — our own pricing change record, discovered 2026-08-28, names them as the previous ones. Read what we recorded ↓ Note — discovered 2026-08-28: The free tier is now limited to 25k spans per month with 60-day data retention, and focuses on observability and agent testing. There is also a separate 'Free Cloud' plan with different limits (up to 10 team members, 25k spans, 60-day retention) and a 'Free' open-source option. A free pro plan for academics is mentioned as 'New!'. Source ↗
Labelled experiment_tracking. We read that on 2026-09-01 from https://www.comet.com/site/pricing/, where it says: “Track and compare machine learning training runs Dataset management and versioning Model Registry”. How we use this
8 offers here are labelled llm_observability — records the prompts, responses, latency, cost and tool calls an application sent to a model, for reading afterwards. None is distinguishable from the others in this group under any signal we record.
Evals, prompt playground, and data management for Gen AI. Starter plan (free): 1 GB processed data/month, 10k scores/month, 14 days data retention. Unlimited users, projects, datasets, playgrounds, and experiments. Overage: $4/GB data, $2.50 per 1k scores. Best for unlimited usage needs.
Labelled llm_observability. We read that on 2026-09-01 from https://www.braintrust.dev/pricing, where it says: “Free usage is included for traces, evals, and your whole team”. How we use this
Superseded: As of 2026-09-01, langchain.com/pricing reads: Developer plan is $0/seat/month with up to 5k base traces/month, then pay-as-you-go. LCU is $1.50/unit and LSU is $1.00/unit. Plus plan is $39/seat/month with up to 10k base traces/month, then pay-as-you-go. We are not publishing our stored LangSmith terms beside it — our own pricing change record, discovered 2026-09-01, names them as the previous ones. Read what we recorded ↓ Note — discovered 2026-09-01: The free tier now includes pay-as-you-go pricing for traces beyond 5k/month, and introduces LCUs and LSUs for additional costs related to compute and storage. Source ↗
Labelled llm_observability. We read that on 2026-09-01 from https://www.langchain.com/pricing, where it says: “Observability See exactly what your agents are doing”. How we use this
Rebranded to Respan; keywordsai.co redirects to respan.ai. Free plan: full platform, 100k logs, 1k scores, 5 datasets, 2 evaluators, 5 prompts. No credit card required.
Labelled llm_observability. We read that on 2026-09-02 from https://www.respan.ai, where it says: “Observe calls in traces, watch spend in metrics, and run evals”. How we use this
A LLMOps platform helping AI teams measure, monitor, and optimize LLM applications for reliability, cost-efficiency, and performance. With a powerful DSPy component, we enable seamless collaboration between engineers and non-technical teams to fine-tune and productionize GenAI products. Free plan includes all platform features, 1k traces/month and 1 workflow DSPy optimizers. [#opensource](https://github.com/langwatch/langwatch)
Labelled llm_observability. We read that on 2026-09-01 from https://langwatch.ai, where it says: “simulations, evals, observability, and governance”. How we use this
AI engineering platform for evaluating and observing AI applications and agents. AX Free plan: 25K trace spans/month, 1 GB ingestion/month, 15 days data retention. Includes online evals, product observability, built-in Alyx agent, and community support.
Labelled llm_observability. We read that on 2026-09-01 from https://arize.com/pricing, where it says: “Arize AX is the AI native platform for agent observability”. How we use this
Control panel for Gen AI apps featuring an observability suite & an AI gateway. Send & log up to 10,000 requests for free every month.
Labelled llm_observability. We read that on 2026-09-01 from https://portkey.ai/, where it says: “Monitor LLM behavior, catch anomalies early”. How we use this
Superseded: As of 2026-08-28, comet.com/site/pricing reads: There are multiple free options: 'Free' (Open Source GitHub), 'Free Cloud' (up to 10 team members, 25k spans per month, 60-day data retention), and a 'Free' plan for academics. The 'Free Cloud' plan includes Agent tracing & analysis, Test Suites & assertions, and Agent Playground. We are not publishing our stored Comet ML terms beside it — our own pricing change record, discovered 2026-08-28, names them as the previous ones. Read what we recorded ↓ Note — discovered 2026-08-28: The free tier is now limited to 25k spans per month with 60-day data retention, and focuses on observability and agent testing. There is also a separate 'Free Cloud' plan with different limits (up to 10 team members, 25k spans, 60-day retention) and a 'Free' open-source option. A free pro plan for academics is mentioned as 'New!'. Source ↗
Labelled llm_observability. We read that on 2026-09-01 from https://www.comet.com/site/pricing/, where it says: “Full AI observability & agent testing feature set”. How we use this
Open-source LLM engineering platform that helps teams collaboratively debug, analyze, and iterate on their LLM applications. Free forever plan includes 50k observations per month and all platform features. [#opensource](https://github.com/langfuse/langfuse)
Labelled llm_observability. We read that on 2026-09-01 from https://langfuse.com/, where it says: “Trace, evaluate, and improve AI agents with one open platform”. How we use this
8 offers here are labelled llm_api — the vendor runs language or multimodal models on its own infrastructure and sells calls to them by model name; you send a prompt and receive a completion. None is distinguishable from the others in this group under any signal we record.
Cloud-hosted Ollama for running open-source LLMs — free tier for light usage with 1 concurrent model. Access Llama, Mistral, Gemma, and other open models via API
Labelled llm_api. We read that on 2026-09-01 from https://ollama.com, where it says: “Ollama lets you use open models with your coding agents”. How we use this
Free inference for open-source models with 100 requests/day limit and $1 free credits. Supports DeepSeek-R1, DeepSeek-V3, QwQ-32B, and other open-source models. China-based provider.
Labelled llm_api. We read that on 2026-09-01 from https://siliconflow.cn, where it says: “硅基流动(SiliconFlow)专注于提供高效能、低成本的多品类 AI 模型服务”. How we use this
Superseded: As of 2026-09-01, developers.cloudflare.com/workers-ai/platform/pricing reads: Workers AI has a free tier with 10,000 Neurons per day. Usage above this is $0.011 / 1,000 Neurons. Some models require a paid plan or AI Gateway credits. We are not publishing our stored Cloudflare Workers AI terms beside it — our own pricing change record, discovered 2026-09-01, names them as the previous ones. Read what we recorded ↓ Note — discovered 2026-09-01: The pricing has been restructured. While a free tier of 10,000 Neurons per day still exists, the pricing is now more granular and based on per-model unit pricing, billed in Neurons at $0.011 / 1,000 Neurons. Some models now require a paid plan or AI Gateway credits. Source ↗
Labelled llm_api. We read that on 2026-09-01 from https://developers.cloudflare.com/workers-ai/platform/pricing/, where it says: “prepaid AI Gateway credits to pay for Workers AI inference”. How we use this
Free serverless APIs for LLM inference — access Llama 3.1, Mistral, and NVIDIA models. Free tier: ~40 RPM, 1,000 free API credits. No credit card required for development
Labelled llm_api. We read that on 2026-09-01 from https://build.nvidia.com, where it says: “Experience the leading models to build enterprise generative AI apps now”. How we use this
Ultra-fast LLM inference on LPU hardware — free tier: 30 RPM, 100K-500K tokens/day depending on model. Supports Llama 4 Scout 17B, Llama 3.3 70B, Qwen3 32B, Whisper, and more. No credit card required
Labelled llm_api. We read that on 2026-09-01 from https://groq.com/pricing, where it says: “One fully integrated platform for infrastructure, inference, and control”. How we use this
Free tier for GLM-4 series models. 20 million tokens welcome package plus permanently free Flash models (GLM-4.7-Flash, GLM-4.5-Flash, GLM-4.6V-Flash) with no rate limits or expiration. China-based, function calling support.
Labelled llm_api. We read that on 2026-09-01 from https://open.bigmodel.cn, where it says: “研发了多款LLM模型,多模态视觉模型产品”. How we use this
Ultra-fast LLM inference API. Free tier: 1M tokens/day, 10-30 requests/min (varies by model). Models include Llama 3.1 8B, Qwen 3 235B, GPT-OSS 120B. Multi-thousand tokens/sec inference speed Best for open source projects.
Labelled llm_api. We read that on 2026-09-01 from https://cerebras.ai/, where it says: “Cerebras powers the world's fastest AI inference”. How we use this
Free plan includes $10/mo in API credits and access to Mistral models in Studio, alongside limited messages, web searches and coding sessions. Paid API rates start at $0.5/M input and $1.5/M output tokens for Mistral Large; batch processing halves the price and cached input tokens cost up to 90% less. Note — discovered 2026-09-03: The free tier is no longer an API allowance of 2 RPM and 1B tokens a month across all models. It now carries limited messages, web searches and image generations in Vibe, plus access to Mistral Studio. $10 a month in API credits is sold separately. Source ↗
Labelled llm_api. We read that on 2026-09-01 from https://mistral.ai/pricing, where it says: “Frontier-scale infrastructure for training and inference”. How we use this
2 offers here are labelled data_labeling — produces labelled or annotated training data. None is distinguishable from the others in this group under any signal we record.
Superseded: As of 2026-08-28, roboflow.com/pricing reads: Public plan is free, requires no credit card, and includes 15 credits / month, 2 users, and Community Support. Data and models are open source on Roboflow Universe. We are not publishing our stored Roboflow terms beside it — our own pricing change record, discovered 2026-08-28, names them as the previous ones. Read what we recorded ↓ Note — discovered 2026-08-28: The free Public plan now offers 15 credits/month instead of 250,000 images, 10 projects, 2 users, and $60/month free inference credits. Source ↗
Labelled data_labeling. We read that on 2026-09-01 from https://roboflow.com/pricing, where it says: “Label images fast with AI-assisted data annotation”. How we use this
Data labeling and AI data platform — free tier: first 1,000 annotation units and 10,000 images uploaded free. Nucleus free tier for individuals and academia. Pay-as-you-go after free allocation
Labelled data_labeling. We read that on 2026-09-01 from https://scale.com/pricing, where it says: “find the right plan for your AI and data labeling projects”. How we use this
2 offers here are labelled vector_store — stores embeddings and answers nearest-neighbour queries as its primary access path. None is distinguishable from the others in this group under any signal we record.
Vector database — 2 GB storage, 2M write units/month, 1M read units/month, 5 indexes, 5M embedding tokens/month. Pinecone Assistant: 100 docs / 1 GB
Labelled vector_store. We read that on 2026-09-01 from https://www.pinecone.io/, where it says: “Pinecone is a fully managed vector database built for AI. Writes are instantly searchable, indexing is automatic, and queries stay fast at any scale.”. How we use this
Vector database — 1 GB free forever cluster, fully managed on AWS/GCP/Azure. Unlimited users, backups included. No credit card required Best for unlimited usage needs.
Labelled vector_store. We read that on 2026-09-01 from https://qdrant.tech/pricing/, where it says: “Scale to production with fully managed vector search”. How we use this
We have read these offers against this category's subtypes and none of them applies. They are listed in full: the category is what they were filed under, and this states what our labels do not cover rather than a finding about the products.
Clinical AI Reference. Students have free access to the professional tool suite, which includes Open Search, Clinical Summary, Med Review, Drug Interactions, ICD-10 Codes, and Stewardship. Additionally, a free trial for the professional suite is available. Best for students.
AI Powered Writing Assistant. The entire platform is free as long as you bring your own API key.
AI-powered audio enhancer SaaS that removes noise and echo while preserving natural vocal clarity. totally Free: unlimited one-click enhancements, no login required, supports MP3/WAV/FLAC Best for unlimited usage needs.
Augmented reality face filters for any platform with one SDK. The free plan provides up to 10 monthly active users (MAU) and tracks up to 4 faces
Qwen Code free tier reduced to 100 requests/day (from 1,000). Full access requires Coding Plan Pro ($50/month). AI coding assistant based on Qwen LLM family. Note — 2026-04-15: Free tier reduced from 1,000 to 100 daily requests. Full access now requires Coding Plan Pro ($50/month). Source ↗
An AI-native fast, simple, and secure alternative to popular business intelligence solutions like Tableau, Power BI, and Looker. Othor utilizes large language models (LLMs) to deliver custom business intelligence solutions in minutes. The Free Forever plan provides one workspace with five datasource connections for one user, with no limits on analytics. [#opensource](https://github.com/othorai/othor.ai) Best for unlimited usage needs.
Social media scheduling, publishing and analytics. Free plan at $0/month. The pricing page states no per-plan entitlements: the feature list shown is identical for all four plans. Note — discovered 2026-09-01: The product at this domain changed. The previous state described 100,000 free words across Azure OpenAI, DeepSeek and Gemini; the page is now a social media scheduling tool and carries none of those terms. A free plan remains at $0/month. Source ↗
Superseded: As of 2026-09-01, zenable.io reads: Free accounts get 15 PR reviews/week and 100 agentic reviews/day. We are not publishing our stored Zenable terms beside it — our own pricing change record, discovered 2026-09-01, names them as the previous ones. Read what we recorded ↓ Note — discovered 2026-09-01: The free tier now includes 15 PR Reviews/Week and 100 Agentic Code Review Credits/Day, down from 25 PR reviews and 100 tool calls. Source ↗
ML experiment tracking — free for individuals/researchers. 200 GB metadata storage, 50 GB file storage, 100K tracking calls/hour, 20 active runs, unlimited archived experiments, Jupyter/Colab integration Best for unlimited usage needs.
enables developers to trace, evaluate, manage prompts and datasets, and debug issues related to an LLM application’s performance. It creates open telemetry standard traces for any LLM which helps with observability and works with any observability client. Free plan offers 50K traces/month.
Speech-to-text and text-to-speech API — $200 free credits on signup (no credit card required), ~43K minutes transcription with Nova model, credits never expire. Access to all model endpoints
AI model API. Trial key: 1,000 API calls/month across all endpoints (Chat, Embed, Rerank). Access to Command R+, Rerank 3.5, Embed 4. Non-commercial use only Best for open source projects.
Fast inference platform for LLMs and image models. Free tier: $1 free credits. Serverless and on-demand deployment options
Serverless cloud for AI/ML. Run code on GPUs without managing infrastructure. Free tier: $30/month free compute credits
ML model deployment platform — $30 in free credits for new accounts. Basic plan is $0/month with pay-as-you-go billing after credits. Per-minute GPU/CPU billing for custom deployments, per-token for Model APIs
Superseded: As of 2026-09-03, api-docs.deepseek.com/quick_start/pricing reads: Pricing is now per 1M tokens with different rates for input and output tokens, peak and off-peak hours, and cache hits/misses. For example, deepseek-v4-flash has input token prices ranging from $0.007 to $0.44 depending on these factors, and output tokens cost $0.66 to $1.32 per 1M tokens. We are not publishing our stored DeepSeek API terms beside it — our own pricing change record, discovered 2026-09-03, names them as the previous ones. Read what we recorded ↓ Note — discovered 2026-09-03: Pricing has significantly changed. The previous pricing of $0.28/$0.42/M tokens is no longer accurate. New models (deepseek-v4-flash, deepseek-v4-pro, deepseek-v4-flash-vision-exp) are available with different pricing tiers for peak and off-peak hours, and cache hits/misses. Source ↗
Data labeling and annotation platform — free tier: 500 Labelbox Units (LBUs)/month. Image, video, text, and geospatial annotation. Free for qualified educational institutions Best for students.
Superseded: As of 2026-09-05, e2b.dev/pricing reads: Hobby Free + Usage Costs One-time $100 of usage in credits Community support Up to 1-hour sandbox session length Up to 20 concurrently running sandboxes. We are not publishing our stored E2B terms beside it — our own pricing change record, discovered 2026-09-05, names them as the previous ones. Read what we recorded ↓ Note — discovered 2026-09-05: The free tier now offers $100 in usage credits and limits sandbox sessions to 1 hour with up to 20 concurrent sandboxes, a significant reduction from the original 100 sandbox hours/month with no stated session or concurrency limits. Source ↗
Fast inference API for open-source LLMs (Llama, Mixtral, Code Llama). Free tier: $1 free credits on signup. Pay-per-token after
Free tier covers Gemini 2.5 Pro plus the Flash-tier models: Gemini 2.5 Flash (10 RPM), Gemini 2.5 Flash-Lite (15 RPM), Gemini 3.0 Flash Preview, Gemini 3.1 Flash-Lite Preview, Gemini Embedding, and Gemma 4. 3.1 Pro Preview is paid-only. Per-model paid pricing: Gemini 3.1 Pro Preview $2/$12 per MTok (≤200K ctx, doubles above), Gemini 3.0 Flash Preview $0.50/$3, Gemini 3.1 Flash-Lite Preview $0.25/$1.50, Gemini 2.5 Pro $1.25/$10 (≤200K, doubles above), Gemini 2.5 Flash $0.30/$2.50. Gemini 2.0 Flash and 2.0 Flash-Lite deprecated June 1, 2026 — migrate to 2.5 Flash or 3.x Flash. All models support Batch/Flex at 50% discount. Mandatory spend caps enforced since April 1, 2026. Note — discovered 2026-09-03: The free tier and pricing have been significantly restructured. The current pricing page details Gemini 3.6 Flash, 3.5 Flash, and 3.5 Live Translate with different pricing tiers (Free and Paid) for Standard, Batch, Flexible, and Priority modes. The free tier now offers limited free usage of certain features like Google Search and Maps integration. Source ↗
AI API platform. One model is priced Free in OpenAI's own table — the moderation model omni-moderation-latest. Everything else is per-token: embeddings from $0.02/1M, chat-latest $5.00/1M input and $30.00/1M output. Three further free amounts are sub-quotas inside paid tools: 1 GB per day of File search storage, 1 GB per account per month of ChatKit upload storage, and web-search content tokens on non-reasoning models. No free token allowance for the flagship models; trial credits for new accounts were discontinued in mid-2025.
Full-stack AI platform (computer vision, NLP, audio) — Community tier: 1,000 API calls/month. Access to pre-trained models for image recognition, NLP, and audio. No credit card required
Sign-up gives $25 in free API credits. Additional $150/month via data sharing program (opt-in, requires $5 minimum spend first). Access to Grok models including Grok 4.1 series. Starting at $0.20/M input tokens, $0.50/M output tokens for Grok 4.1 Fast.
| Vendor | Free Tier | Key Limits | Stability | Verified |
|---|---|---|---|---|
| Pollinations.AI | Free | easy-to-use, free image generation AI with free API available. No signups or API keys required, and several option for i... | — | 2026-08-07 |
| Lumenfall.ai | Free | AI media gateway providing unified access to leading image generation models via an OpenAI-compatible API. The platform ... | stable | 2026-09-01 |
| Pinecone | Starter | Vector database — 2 GB storage, 2M write units/month, 1M read units/month, 5 indexes, 5M embedding tokens/month. Pinecon... | stable | 2026-07-31 |
| Ollama Cloud | Free | Cloud-hosted Ollama for running open-source LLMs — free tier for light usage with 1 concurrent model. Access Llama, Mist... | stable | 2026-08-19 |
| SiliconFlow | Free (Limited) | Free inference for open-source models with 100 requests/day limit and $1 free credits. Supports DeepSeek-R1, DeepSeek-V3... | stable | 2026-08-20 |
| paperspace | Free | ML platform (now part of DigitalOcean). Free Gradient plan: public projects and 5 GB storage only. No free compute — all... | stable | 2026-08-22 |
| Cloudflare Workers AI | Free | As of 2026-09-01, developers.cloudflare.com/workers-ai/platform/pricing reads: Workers AI has a free tier with 10,000 Neurons per day… Our stored Cloudflare Workers AI terms are superseded and withheld. | caution discovered 2026-09-01 restructured |
2026-08-09 |
| Clair | Free | Clinical AI Reference. Students have free access to the professional tool suite, which includes Open Search, Clinical Su... | — | 2026-08-10 |
| Braintrust | Free | Evals, prompt playground, and data management for Gen AI. Starter plan (free): 1 GB processed data/month, 10k scores/mon... | stable | 2026-08-20 |
| LangSmith | Free | As of 2026-09-01, langchain.com/pricing reads: Developer plan is $0/seat/month with up to 5k base traces/month, then pay-as-you-go… Our stored LangSmith terms are superseded and withheld. | caution discovered 2026-09-01 model change |
2026-08-08 |
| Tavily AI | Free | API for online search and rapid insights and comprehensive research, with the capability of organization of research res... | stable | 2026-09-02 |
| ReportGPT | Free | AI Powered Writing Assistant. The entire platform is free as long as you bring your own API key. | stable | 2026-08-06 |
| Keywords AI | Free | Rebranded to Respan; keywordsai.co redirects to respan.ai. Free plan: full platform, 100k logs, 1k scores, 5 datasets, 2... | stable | 2026-09-02 |
| NVIDIA NIM | Free | Free serverless APIs for LLM inference — access Llama 3.1, Mistral, and NVIDIA models. Free tier: ~40 RPM, 1,000 free AP... | — | 2026-08-15 |
| Audio Enhancer | Free | AI-powered audio enhancer SaaS that removes noise and echo while preserving natural vocal clarity. totally Free: unlimit... | — | 2026-06-16 |
| Hugging Face | Free | ML model hub — $0.10/month free inference credits, 200+ models via Inference Providers, unlimited model hosting on Hub | stable | 2026-08-09 |
| Parseur | Free | 20 free pages/month: Extract data from PDFs, emails. AI powered. Full API access. | stable | 2026-09-09 |
| AssemblyAI | Free | Speech-to-text and audio intelligence API — free: $50 in credits (~185 hours pre-recorded transcription). Up to 5 concur... | stable | 2026-07-30 |
| Exa | Free | As of 2026-09-03, exa.ai/pricing reads: Starter Free $20 credits on sign-up with $10 credits every month… Our stored Exa terms are superseded and withheld. | caution discovered 2026-09-03 reduced |
2026-08-16 |
| LangWatch | Free | A LLMOps platform helping AI teams measure, monitor, and optimize LLM applications for reliability, cost-efficiency, and... | stable | 2026-08-10 |
| OCR.Space | Free | An OCR API parses image and pdf files that return the text results in JSON format. 25,000 requests per month are free an... | stable | 2026-08-01 |
| Arize AX | Free | AI engineering platform for evaluating and observing AI applications and agents. AX Free plan: 25K trace spans/month, 1 ... | stable | 2026-09-06 |
| Reducto | Free | Turn any unstructured documents (PDF, XLSX, JPG, PPTX, etc.) into structured JSON data. Parse, extract data, and edit PD... | stable | 2026-08-01 |
| Roboflow | Public (Free) | As of 2026-08-28, roboflow.com/pricing reads: Public plan is free, requires no credit card, and includes 15 credits / month, 2 users… Our stored Roboflow terms are superseded and withheld. | caution discovered 2026-08-28 reduced |
2026-07-28 |
| Qdrant | Free Forever | Vector database — 1 GB free forever cluster, fully managed on AWS/GCP/Azure. Unlimited users, backups included. No credi... | stable | 2026-07-30 |
| DeepAR | Free | Augmented reality face filters for any platform with one SDK. The free plan provides up to 10 monthly active users (MAU)... | — | 2026-07-31 |
| Alibaba Cloud Qwen Code | Free (Reduced) | Qwen Code free tier reduced to 100 requests/day (from 1,000). Full access requires Coding Plan Pro ($50/month). AI codin... | caution 2026-04-15 reduced |
2026-08-18 |
| OpenRouter | Free | As of 2026-09-07, openrouter.ai/pricing reads: Free tier includes 25+ free models, 4 free providers, 50 reqs/day rate limit, $25,000 of… Our stored OpenRouter terms are superseded and withheld. | caution discovered 2026-09-07 reduced |
2026-08-25 |
| Groq | Free | Ultra-fast LLM inference on LPU hardware — free tier: 30 RPM, 100K-500K tokens/day depending on model. Supports Llama 4 ... | stable | 2026-08-15 |
| Othor AI | Free | An AI-native fast, simple, and secure alternative to popular business intelligence solutions like Tableau, Power BI, and... | stable | 2026-08-09 |
| Zhipu AI | Free | Free tier for GLM-4 series models. 20 million tokens welcome package plus permanently free Flash models (GLM-4.7-Flash, ... | — | 2026-08-20 |
| Cerebras | Free | Ultra-fast LLM inference API. Free tier: 1M tokens/day, 10-30 requests/min (varies by model). Models include Llama 3.1 8... | stable | 2026-08-15 |
| Mistral AI | Free | Free plan includes $10/mo in API credits and access to Mistral models in Studio, alongside limited messages, web searche... | caution discovered 2026-09-03 restructured |
2026-09-05 |
| Replicate | Free | ML model hosting and inference platform — free runs on curated model collection without billing. Pay-per-second billing ... | stable | 2026-08-15 |
| Portkey | Free | Control panel for Gen AI apps featuring an observability suite & an AI gateway. Send & log up to 10,000 requests for fre... | stable | 2026-08-12 |
| Weights & Biases | Free | As of 2026-09-03, wandb.ai/site/pricing reads: The free tier is $0/mo and includes 1 user seat, experiment tracking, registry & lineage… Our stored Weights & Biases terms are superseded and withheld. | caution discovered 2026-09-03 restricted |
2026-08-17 |
| LLM7.io | Free | UK-based free LLM inference gateway. Free tier supported by donors — access to 30+ models including DeepSeek R1, Qwen2.5... | — | 2026-08-17 |
| Scale AI | Free | Data labeling and AI data platform — free tier: first 1,000 annotation units and 10,000 images uploaded free. Nucleus fr... | — | 2026-07-31 |
| Maxim AI | Free | Simulate, evaluate, and observe your AI agents. Maxim is an end-to-end evaluation and observability platform, helping te... | stable | 2026-07-30 |
| Mediaworkbench.ai | Free | Social media scheduling, publishing and analytics. Free plan at $0/month. The pricing page states no per-plan entitlemen... | caution discovered 2026-09-01 restructured |
2026-09-02 |
| Comet ML | Free | As of 2026-08-28, comet.com/site/pricing reads: There are multiple free options: 'Free' (Open Source GitHub), 'Free Cloud' (up to 10 team…). Our stored Comet ML terms are superseded and withheld. | caution discovered 2026-08-28 restructured |
2026-07-31 |
| Langfuse | Free | Open-source LLM engineering platform that helps teams collaboratively debug, analyze, and iterate on their LLM applicati... | stable | 2026-09-01 |
| Composio | Free | Integration platform for AI Agents and LLMs. Integrate over 200+ tools across the agentic internet. | stable | 2026-09-07 |
| Zenable | Free | As of 2026-09-01, zenable.io reads: Free accounts get 15 PR reviews/week and 100 agentic reviews/day. Our stored Zenable terms are superseded and withheld. | caution discovered 2026-09-01 reduced |
2026-08-08 |
| Kaggle | Free | Data science platform (Google) — entirely free: 30 hrs/week GPU compute (NVIDIA Tesla P100), 20 hrs/week TPU with a 9-ho... | stable | 2026-09-09 |
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