18 of these carry no recorded demerit and are indistinguishable under every signal we hold; their order rotates daily. 6 are demoted with the reason named, and 9 are listed last because they are not generally available or are not a free offer. How we rank.
Free
Workers AI runs AI models on Cloudflare's global network. Every account gets 10,000 Neurons per day at no charge, reset daily at 00:00 UTC; on the Workers Free plan, requests beyond that fail until the reset.
AI / ML
Read 2026-10-31 · confirmed 2026-10-06
Free
Simulate, evaluate, and observe your AI agents — The 'OSS' tier is free forever for developers, small teams, and self-managed deployments. It includes features like a drop-in replacement, OTel compatibility, metrics & traces, built-in observability, budget management, and more.
AI / ML
Read and confirmed 2026-10-29
Free
Free inference endpoints on build.nvidia.com: models marked Free Endpoint, including DeepSeek V4.1 Flash, GLM 5.3 Flash, gpt-oss-20b, Gemma 4 31B and NVIDIA Nemotron 3 Ultra, can be called at no cost. Their model IDs are deepseek-ai/deepseek-v4.1-flash, z-ai/glm-5.3-flash, openai/gpt-oss-20b,…
AI / ML
Read and confirmed 2026-11-02
Free (Reduced)
Free tier: Gemini 4 Hydrogen, Gemini 3.8 Flash, 3.6 Flash, 3.5 Flash-Lite, 3.1 Flash-Lite, Gemini 3 Flash Preview, Gemini Embedding 2 and Gemma 4 are free of charge. Also free of charge are Gemini 3.8 Live (real-time voice), Gemini 3.5 Live Translate (translation), Gemini 3.5 Transcribe…
AI / ML
Read and confirmed 2026-11-09
Free
Hetzner's experimental Inference API: an OpenAI-compatible API for open-weight models, free while it stays experimental. Base URL: https://inference.hetzner.com/api/v1.
AI / ML
Read and confirmed 2026-10-31
Free
Keyless Classic API: one image model and GPT-OSS 20B text, free, no sign-up, rate-limited per IP. Every other model needs an API key and Pollen, and free Pollen comes only from quests.
AI / ML
Read and confirmed 2026-10-31
Free
Comet makes Opik, for LLM and agent observability and evaluation, and an MLOps platform for ML experiment tracking. Opik is open source and free to self-host.
AI / ML
Read and confirmed 2026-11-06
Free
ML model hub. Since 2026-10-07, free accounts get no included Inference Providers credits: free users buy credits or upgrade to PRO to call Inference Providers, which serves 200+ models.
AI / ML
Read 2026-10-30 · confirmed 2026-10-05
Free
Rebranded to Respan; keywordsai.co redirects to respan.ai. Free plan: full platform, 100k logs, 1k scores, 5 datasets, 2 evaluators, 5 prompts.
AI / ML
Read and confirmed 2026-10-06 · tried again 2026-10-31 and did not read the page
Free
LLM inference gateway. With a free token from dash.llm7.io: 1 request a second, 60 a minute, 250 an hour and 100,000 tokens per 24 hours, counting input and output tokens; LLM7 says free quotas may be reduced without notice.
AI / ML
Read and confirmed 2026-10-31
Free
Open-source LLM engineering platform for tracing, evaluating and debugging AI applications. The Langfuse Cloud Hobby plan is free with no credit card: 50k units a month (each trace, observation and score counts as one unit), 30 days of data access, 2 users, community support via GitHub, and all…
AI / ML
Read and confirmed 2026-11-13
Free
AI model router. Free plan: 50 requests a day, no BYOK.
AI / ML
Read and confirmed 2026-11-06
Free
Fast LLM inference on Groq's LPU hardware. Free plan: gpt-oss-20b, gpt-oss-120b and Qwen3.8 27B, each at 30 requests a minute, 1,000 requests and 200,000 tokens a day, plus Whisper speech-to-text at 2,000 requests a day.
AI / ML
Read 2026-10-26 · confirmed 2026-10-03
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.
AI / ML
Read and confirmed 2026-11-06
Free
AI model API for Command chat models, Embed, Rerank, Transcribe and Parse. Every account starts with a Trial API key: calls made with it are free and limited to 1,000 API calls a month.
AI / ML
Read 2026-10-26 · catalogue date 2026-08-16
Free
LLM observability and evaluation platform by LangChain — 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.
AI / ML
Read and confirmed 2026-10-30
Free
Platform for agent observability, evaluation and improvement. AX Free costs $0 with no credit card required: 25k trace spans per month, 1 GB ingestion per month, 15 days of retention, unlimited users and evals, 10 Signal issues per month, the Alyx agent and community support.
AI / ML
Read 2026-11-08 · confirmed 2026-10-16
Free
AI media gateway: one OpenAI-compatible API to image and video generation models from several providers, billed at each provider's price with no markup, platform fee or subscription. One model, FLUX.1 [schnell] FP8, is listed free per image ("Free to try", served through Fireworks AI).
AI / ML
Read 2026-11-12 · confirmed 2026-10-21
Free
China-based GLM model API. The price list marks these models free: GLM-4.7-Flash, GLM-4-Flash-250414 and GLM-Z1-Flash (text); GLM-4.6V-Flash, GLM-4V-Flash and GLM-4.1V-Thinking-Flash (vision); CogView-3-Flash (image); CogVideoX-Flash (video).
AI / ML
Read 2026-10-30 · catalogue date 2026-08-20
−1 stale_verification We cannot confirm this offer: 2 consecutive re-check attempts have failed (most recently 2026-10-30 — the page never names Zhipu AI and is not served from its domain), never confirmed since it was indexed. This is our inability to verify, not a change by the vendor.
Free
Pay-as-you-go model inference. siliconflow.cn, run by a Beijing company, lists these models at no charge: the chat models Qwen3-8B, Qwen2.5-7B-Instruct (Free), Qwen3.5-4B, GLM-4-9B-0414, GLM-Z1-9B-0414, DeepSeek-R1-0528-Qwen3-8B (Free) and Xing4.0-29B; the translation model Hunyuan-MT-7B; the OCR…
AI / ML
Read 2026-11-02 · catalogue date 2026-08-20
−1 stale_verification We cannot confirm this offer: 1 consecutive re-check attempt has failed (most recently 2026-11-02 — Could not parse AI response), never confirmed since it was indexed. This is our inability to verify, not a change by the vendor.
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.
AI / ML
Read 2026-10-24 · catalogue date 2026-08-10
−1 stale_verification Our last read of the vendor's pricing page, on 2026-10-24, found the page different from the terms we hold. This is our confidence in the record, not a change by the vendor.
Free Credits
Inference platform for open models, with serverless per-token pricing and on-demand GPU deployments billed per GPU second. Fireworks offers $1 in free credits to get started.
AI / ML
Read 2026-10-28 · catalogue date 2026-08-25
−2 time_limited_offer Tier "Free Credits" is a credit grant that runs out, not an ongoing free tier.
Basic (Free Credits)
ML model deployment platform. New workspaces receive credits for testing and deployment; Baseten does not state the amount.
AI / ML
Read 2026-10-29 · catalogue date 2026-08-01
−2 time_limited_offer Tier "Basic (Free Credits)" is a credit grant that runs out, not an ongoing free tier.
−1 stale_verification Our last read of the vendor's pricing page, on 2026-10-29, found the page different from the terms we hold. This is our confidence in the record, not a change by the vendor.
Trial
Ultra-fast LLM inference API — no permanent free tier. New accounts get $5 in free credits after adding a verified payment method, expiring 30 days after they are granted.
AI / ML
Read 2026-10-26 · confirmed 2026-10-03
−3 free_tier_withdrawn Recorded free tier removal on 2026-07-16: Cerebras's free access became a time- and credit-bounded trial for new accounts: $5 in credits after adding a verified payment method, expiring 30 days after they are granted. Cerebras says there is no permanently free tier; continued use needs a Pay as You Go purchase. Source: https://inference-docs.cerebras.ai/support/change-log
−2 time_limited_offer Tier "Trial" is a trial that expires, not an ongoing free tier.
Pay-as-you-go
Claude API with usage-based pricing per million tokens (input/output). Claude Fable 5.2 $8/$40.
AI / ML
Read 2026-11-11 · catalogue date 2026-08-15
not_a_free_offer Tier "Pay-as-you-go" is usage-billed from the first request.
Pay-as-you-go
AI API platform. One model is priced Free in OpenAI's own table: the moderation model omni-moderation-latest.
AI / ML
Read 2026-11-11 · catalogue date 2026-09-10
not_a_free_offer Tier "Pay-as-you-go" is usage-billed from the first request.
Pay-as-you-go
Grok API, pay as you go: sign up at console.x.ai, then load it with credits. grok-4.7 $2.00/$6.00 (per 1M tokens, under 200k prompt tokens).
AI / ML
Read 2026-11-02 · catalogue date 2026-08-14
not_a_free_offer Tier "Pay-as-you-go" is usage-billed from the first request.
Pay-as-you-go
Pay-as-you-go LLM API with no free tier, billed from a prepaid balance. DeepSeek-V4.1-Flash (deepseek-flash): $0.30/M input, $1.20/M output at peak.
AI / ML
Read 2026-11-02 · catalogue date 2026-08-18
not_a_free_offer Tier "Pay-as-you-go" is usage-billed from the first request.
Pay-as-you-go
Since about 2026-11-05, Mistral's Free plan covers Vibe and Studio and does not include API access. Creating API keys and calling the API require billing activation and pay-as-you-go with prepaid credits.
AI / ML
Read 2026-11-02 · catalogue date 2026-10-01
not_a_free_offer Tier "Pay-as-you-go" is usage-billed from the first request.
Pay-as-you-go
Inference API for open-source models, billed per token. Together AI does not currently offer free trials; access requires a minimum $15 credit purchase for an organization's first purchase ($5 for later purchases), and the platform is fully prepaid.
AI / ML
Read and confirmed 2026-10-26
not_a_free_offer Tier "Pay-as-you-go" is usage-billed from the first request.
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."
AI / ML
Read 2026-11-02 · catalogue date 2026-08-20
offer_retired GitHub Models's offer is recorded as Retired.
Pay-as-you-go
MiniMax sells API access pay-as-you-go on platform.minimax.io. Its pricing pages list no free API allowance; one docs page mentions a free quota for new pay-as-you-go users but gives no amount.
AI / ML
Read 2026-11-02 · catalogue date 2026-07-09
not_a_free_offer Tier "Pay-as-you-go" is usage-billed from the first request.
Pay-as-you-go
Cloud-hosted Ollama for running open-source LLMs. Between October 26 and 27, 2026, Ollama replaced its Free plan, which included starter usage credits, with a $0 Pay as you go plan.
AI / ML
Read and confirmed 2026-11-02
not_a_free_offer Tier "Pay-as-you-go" is usage-billed from the first request.