Almost every AI lab now hands out a free tier. Google, Groq, Cerebras, Mistral, Cohere, NVIDIA, Cloudflare, OpenRouter, and a couple dozen more. Each one on its own is small.
Source: [Dev.to](https://dev.to/arshtechpro/freellmapi-one-openai-compatible-endpoint-for-34-free-llm-providers-3630)