Compare 67 free ai / ml tools, free tiers, and developer deals. 6 are not free offers. Verified pricing for Hugging Face, Groq, Google Gemini API, Mistral AI, OpenRouter and more.
What this name holds: Model APIs, inference hosts, vector stores and training platforms called from your own code.
2 other names here answer “what runs the model”, and each holds a different list: AI Coding (15), Notebooks & Data Science (11).
We track 67 ai / ml services with free tiers. Hugging Face leads with a generous free tier. This category has seen some movement — 32 pricing changes recorded across vendors.
| Vendor | Tier | Description | Verified |
|---|---|---|---|
| Hugging Face | Free | ML model hub — $0.10/month free inference credits, 200+ models via Inference Providers, unlimited model hosting on Hub | 2026-08-09 |
| Groq | Free | 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 | 2026-08-15 |
| Google Gemini API | Free (Reduced) | 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. | 2026-08-18 |
| Mistral AI | Free | 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. | 2026-09-05 |
| OpenRouter | Free | Superseded: As of 2026-09-07, openrouter.ai/pricing reads: Free tier includes 25+ free models, 4 free providers, 50 reqs/day rate limit, $25,000 of list price inference /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 ↓ | 2026-08-25 |
| Cloudflare Workers AI | Free | 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 ↓ | 2026-08-09 |
| Cerebras | Free | 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 | 2026-08-15 |
| Cohere | Trial Key | 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 | 2026-08-16 |
| OpenAI | Free | AI API platform — free tier limited to GPT-3.5 Turbo model only, 3 requests/minute rate limit. No free trial credits for new accounts (discontinued mid-2025). Paid tiers use token-based pricing: GPT-4o from $2.50/1M input tokens. Batch processing at 50% discount available | 2026-06-30 |
| Pinecone | Starter | 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 | 2026-07-31 |
| Qdrant | Free Forever | Vector database — 1 GB free forever cluster, fully managed on AWS/GCP/Azure. Unlimited users, backups included. No credit card required | 2026-07-30 |
| Deepgram | Free Credits | 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 | 2026-07-30 |
| Kaggle | Free | Data science platform (Google) — entirely free: 30 hrs/week GPU compute (Tesla T4, 16 GB VRAM), 20 hrs/week TPU, 20 GB working disk per session. Unlimited public notebooks, datasets, and competitions | 2026-08-24 |
| Roboflow | Public (Free) | 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 ↓ | 2026-07-28 |
| Scale AI | Free | 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 | 2026-07-31 |
| AssemblyAI | Free | 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 | 2026-07-30 |
| Replicate | Free | 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 | 2026-08-15 |
| Baseten | Basic (Free 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 | 2026-08-01 |
| Weights & Biases | Free | 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 ↓ | 2026-08-17 |
| Comet ML | Free | 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 ↓ | 2026-07-31 |
| Clarifai | Community (Free) | 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 | 2026-07-15 |
| Neptune.ai | Free (Individual) | 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 | 2026-05-13 |
| Labelbox | Free | Data labeling and annotation platform — free tier: 500 Labelbox Units (LBUs)/month. Image, video, text, and geospatial annotation. Free for qualified educational institutionsLabelbox's pricing page has not resolved for us since 2026-06-09. | 2026-06-09 |
| Arize AI | Free | ML observability platform (now Arize AX). AX Free plan: 25K trace spans/month, 1 GB ingestion/month, 15 days data retention. Includes online evals, product observability, and community support. | 2026-09-06 |
| Composio | Free | Integration platform for AI Agents and LLMs. Integrate over 200+ tools across the agentic internet. | 2026-08-26 |
| DeepAR | Free | 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 | 2026-07-31 |
| Maxim AI | Free | 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). | 2026-07-30 |
| OCR.Space | Free | Superseded: As of 2026-08-28, ocr.space reads: The free tier has a file size limit of 5MB per document. We are not publishing our stored OCR.Space terms beside it — our own pricing change record, discovered 2026-08-28, names them as the previous ones. Read what we recorded ↓ | 2026-08-01 |
| Parseur | Free | 20 free pages/month: Extract data from PDFs, emails. AI powered. Full API access. | 2026-08-28 |
| Reducto | Free | 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. | 2026-08-01 |
| Tavily AI | Free | 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. | 2026-09-02 |
| paperspace | Free | Superseded: As of 2026-09-05, paperspace.com/pricing reads: There is a 'Free' tier offering public projects, 5GB storage, and basic instances (billed per hour). Other tiers include 'Pro' ($12/month), 'Growth' ($39/month), and various team plans (T0, T1, T2) with different storage and instance limits, all with utilization costs on paid instances. We are not publishing our stored paperspace terms beside it — our own pricing change record, discovered 2026-09-05, names them as the previous ones. Read what we recorded ↓ | 2026-08-22 |
| Arize AX | Free | 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. | 2026-09-02 |
| Audio Enhancer | Free | 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 | 2026-06-16 |
| Braintrust | Free | 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. | 2026-08-20 |
| Clair | Free | 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. | 2026-08-10 |
| Keywords AI | Free | 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. | 2026-09-02 |
| Langfuse | Free | 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) | 2026-09-01 |
| LangSmith | Free | 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 ↓ | 2026-08-08 |
| Langtrace | Free | 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.Langtrace's pricing page has not resolved for us since 2026-05-07. | 2026-05-07 |
| LangWatch | Free | 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) | 2026-08-10 |
| Lumenfall.ai | Free | 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. | 2026-09-01 |
| Mediaworkbench.ai | Free | 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. | 2026-09-02 |
| Othor AI | Free | 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) | 2026-08-09 |
| Pollinations.AI | Free | 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) | 2026-08-07 |
| Portkey | Free | Control panel for Gen AI apps featuring an observability suite & an AI gateway. Send & log up to 10,000 requests for free every month. | 2026-08-12 |
| ReportGPT | Free | AI Powered Writing Assistant. The entire platform is free as long as you bring your own API key. | 2026-08-06 |
| Zenable | Free | 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 ↓ | 2026-08-08 |
| xAI | Free Credits | Superseded: As of 2026-09-02, docs.x.ai/developers/models reads: Grok 4.6: Input $2.00 / 1M tokens, Output $6.00 / 1M tokens. We are not publishing our stored xAI terms beside it — our own pricing change record, discovered 2026-09-02, names them as the previous ones. Read what we recorded ↓ | 2026-08-14 |
| Anthropic API | Pay-as-you-go | Claude API access with usage-based pricing. Fable 5.1: $10/$50 per MTok (input/output). Opus 5: $5/$25 per MTok. Sonnet 5: $2/$10 per MTok. Haiku 4.5: $1/$5 per MTok. Batch API at 50% discount. Free tier: limited access via console with rate limits. | 2026-08-15 |
| GitHub Models | Retired | GitHub retired GitHub Models on 2026-07-30, so there is no free tier. GitHub's own documentation states "GitHub Models has been retired." The former offer was free access to 100+ models via GitHub Marketplace at 10-15 RPM and 50-150 requests/day. | 2026-08-20 |
| NVIDIA NIM | Free | 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 | 2026-08-15 |
| Ollama Cloud | Free | 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 | 2026-08-19 |
| LLM7.io | Free | 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. | 2026-08-17 |
| SiliconFlow | Free (Limited) | 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. | 2026-08-20 |
| Zhipu AI | Free | 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. | 2026-08-20 |
| DeepSeek API | Free Credits + Pay-as-you-go | 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 ↓ | 2026-08-18 |
| MiniMax | Pay-as-you-go | Superseded: As of 2026-08-28, platform.minimax.io/docs/guides/pricing-paygo reads: Music generation APIs are being discontinued for new users. Hailuo video pricing varies by resolution and duration, with models like MiniMax-Hailuo-2.3-Fast and MiniMax-H3. MiniMax-M3 is available with pay-as-you-go pricing. We are not publishing our stored MiniMax terms beside it — our own pricing change record, on 2026-08-20, names them as the previous ones. Read what we recorded ↓ | 2026-07-09 |
| Exa | Free | 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 ↓ | 2026-08-16 |
| GPU-Bridge | Pay-per-use | Multi-provider GPU inference API — 30+ AI services (LLM, image generation, embeddings, speech) accessible via x402 micropayments. Unified API across providers, no accounts needed. Pay per inference call.GPU-Bridge's pricing page has not resolved for us since 2026-04-14. | 2026-04-14 |
| Google Vertex AI Agent Engine | Pay-as-you-go | Vertex AI Agent Builder with sessions and memory now GA. Build, deploy, and manage AI agents with persistent memory, multi-turn sessions, and tool governance. Part of the Vertex AI platform.Google Vertex AI Agent Engine's pricing page has not resolved for us since 2026-04-15. | 2026-04-15 |
| Google Vector Search 2.0 | Pay-as-you-go | Vector Search 2.0 now GA on Vertex AI. High-performance approximate nearest neighbor (ANN) vector similarity search for AI/RAG applications. Supports billion-scale indexes. | 2026-08-15 |
| Google GLM 5 | Experimental Preview | Experimental model optimized for complex systems engineering and agentic tasks. Designed for multi-step reasoning, code generation, and autonomous agent workflows. Preview access via Vertex AI. | 2026-08-19 |
| Google Gemini Embedding 2 | Pay-as-you-go | First natively multimodal embedding model — text, images, video, audio, and documents in a single embedding space. Enables cross-modal similarity search and retrieval. Available via Vertex AI and Gemini API. | 2026-08-17 |
| 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 coding assistant based on Qwen LLM family. | 2026-08-18 |
| E2B | Free (100 sandbox hrs/mo) | 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 ↓ | 2026-08-22 |
| Together AI | Free ($1 credits) | Fast inference API for open-source LLMs (Llama, Mixtral, Code Llama). Free tier: $1 free credits on signup. Pay-per-token after | 2026-08-24 |
| Fireworks AI | Free ($1 credits) | Fast inference platform for LLMs and image models. Free tier: $1 free credits. Serverless and on-demand deployment options | 2026-08-25 |
| Modal | Free ($30/mo credits) | Serverless cloud for AI/ML. Run code on GPUs without managing infrastructure. Free tier: $30/month free compute credits | 2026-09-03 |
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