12 Free LLM APIs You Can Use Right Now (No Credit Card, Real Limits Tested)

Dev.to AI
Generative AI

"Free LLM API" results are full of outdated lists and tools that quietly expired. I tested 12 providers that actually work in April 2026 and documented the real limits. The Top 5 (Actually Usable) 1. Google AI Studio (Gemini) - Best Overall Free Tier Models: Gemini 2.5 Flash, Flash-Lite, Embedding Limits: 1,500 requests/day, 1M tokens/minute Credit card: No Context: 1M tokens Verdict: Most generous free tier. Enough for a small production chatbot. 2.