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Are there any free API alternatives to Gemini or Groq with higher rate limits for a FastAPI backend?

A developer building a FastAPI backend is seeking free or high-limit LLM API alternatives to Google Gemini and Groq, citing that their free tiers are exhausted quickly during active development and testing. The developer is asking the community for provider recommendations or strategies to avoid throttling while integrating an LLM into their project.

by read1 min views1 publishedSep 21, 2026
Are there any free API alternatives to Gemini or Groq with higher rate limits for a FastAPI backend?
Image: Dev.to

Hey everyone!

I'm currently building a backend project using FastAPI and looking to integrate an LLM. I've been testing the free tiers of Gemini and Groq, but the rate limits run out extremely fast during active development and testing.

Do you know of any platforms, providers, or alternatives that offer a free tier (or a very generous free API limit) for LLMs without getting throttled so quickly?

Any recommendations or strategies you usually use to handle this during development would be greatly appreciated. Thanks in advance!

source & further reading
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