I wanted to find a free LLM API for small tools and experiments. There are many lists online, but free plans change often. Some model names and limits were already old when I checked them. So I opened new accounts and tried five providers myself: Groq Google AI Studio OpenRouter Cloudflare Workers AI Token Harbor I did not add a credit card to any account. I used the same Python script and the same two tasks as much as possible. One disclosure: I work with Token Harbor...