6 free sites

Free AI APIs

6 free sites in AI APIs. Every one was opened and checked before it went on the list.

Hugging Face huggingface.co Top pick
The main hub for open AI models and datasets. Browse and download models for free, and try many in the browser.
OpenRouter openrouter.ai Top pick
One API for hundreds of AI models from many companies. Some models are free to call, with rate limits.
Cloudflare Workers AI developers.cloudflare.com Top pick
Run open AI models for text, images and speech on Cloudflare's network. The free plan includes a daily allowance.
Deepgram deepgram.com
Speech-to-text and text-to-speech APIs fast enough for live voice agents. New accounts get $200 in free credit with no card, then pay as you go.
Pollinations pollinations.ai
An open-source AI API for images and text that you can call with a plain web address. Basic use needs no sign-up.
Replicate replicate.com
Runs open-source AI models through a cloud API, and lets you try many of them in the browser first. You pay for the compute you use.