Free APIs
Free AI & ML APIs
Comparing LLM free tiers? Free LLM APIs side by side: limits, card, OpenAI compatibility, data use, and how to get a free Gemini key.
| Free tier | Docs | ||
|---|---|---|---|
Gemini language and multimodal models via API
Catch: Free-tier content may be used to improve Google products | Free tier with rate limits on selected models | API key | docs |
| Free plan with per-model rate limits | API key | docs | |
One API for many models, including free (:free) models
Catch: Free-model daily caps are low unless you add credits | Free models (:free variants) with rate limits | API key | docs |
Mistral language, embedding and OCR models
Catch: Experiment tier has low rate limits; not for production | Free Experiment tier with rate limits | API key | docs |
| Free trial key: 1,000 API calls/month | API key | docs | |
Run open models on Cloudflare's network
Catch: Over-limit requests fail until reset on the free plan | Free plan: 10,000 Neurons/day | API key | docs |
Local REST API for running open models
Catch: Needs your own hardware | Free and open source, runs on your machine | No key | docs |
| First 200 million tokens free for each account (per model family) | API key | docs | |
| Free plan: 1,000 API credits/month | API key | docs | |
| Free key: 25,000 requests/month | API key | docs |
FAQ
What is the best free ai & ml API?+
Google Gemini API, Groq, OpenRouter are good places to start. Compare the free tiers and catches in the table; they differ mostly in limits and whether commercial use is allowed.
Is there a ai & ml API without an API key?+
Yes: Ollama API work without a key.
More free APIs: Weather · Maps & geocoding · Finance & crypto · Currency exchange · Email & messaging · IP & geolocation · News & social · Sports · Movies, TV & anime · Music · Books & reference · Space & science · Government & open data · Translation & language · Images & media · Fake data & testing · Food & recipes · Transportation · Health · Developer tools · Security · Games & fun