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Stop guessing which free LLM API survives past a side project. Here's how OpenRouter, Groq, Gemini, and 10 more compare on limits, cost, and data use.
What RADAR observed and classified to build this opportunity. It is what the source published, not a verification that the offer is still active.
Free LLM APIs Compared: Rate Limits, Models, and Real Costs (2026). Stop guessing which free LLM API survives past a side project. Here's how OpenRouter, Groq, Gemini, and 10 more compare on limits, cost, and data use.
Open sourceThe catalog shows persisted RADAR opportunities. Storage availability does not mean sources are verified or offers are active.