AI Engineer Programming

Apr 22, 2026 · Artificial Intelligence

Free LLM API Tokens: Complete Provider List, Limits, and Usage Tips

This guide compiles free large‑language‑model APIs from official vendors and third‑party platforms, detailing each service's token quotas, rate limits, base URLs, usage restrictions, and available models, while offering practical advice on token optimization, multi‑platform rotation, rate‑limit handling, and key security.