7 GitHub Repos I'd Actually Use to Find Free AI APIs and No-Cost AI Tools

dev.to April 23, 2026

LLM APIs with permanent free tiers for text inference.

_{All endpoints are OpenAI SDK-compatible unless noted. Each link points to the provider's API key page.}

Provider APIs

APIs run by the companies that train or fine-tune the models themselves.

Free "Trial" API key, no credit card. 1,000 API calls/month. Non-commercial use only.

Base URL: https://api.cohere.com/v2

Model Name	Context	Max Output	Modality	Rate Limit
Command A (111B)	256K	4K	Text	20 RPM
Command R+	128K	4K	Text	20 RPM
Command R	128K	4K	Text	20 RPM
Command R7B	128K	4K	Text	20 RPM
Embed 4	—	—	Embeddings (Text + Image)	2,000 inputs/min
Rerank 3.5	—	—	Reranking	10 RPM

Free tier unavailable in EU/UK/Switzerland. Free-tier prompts may be used by Google to improve products. ¹

Base URL: https://generativelanguage.googleapis.com/v1beta

Model Name	Context	Max Output	Modality	Rate Limit
Gemini 2.5 Flash

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Source: dev.to