Free LLM API Guide: Best Forever-Free Tiers & Trial Credits for Developers

The Ultimate Guide to Free LLM APIs: From Forever-Free Tiers to Trial Credits – A Must-Have List for Developers As large language models (LLMs) continue to explode in popularity, more and more developers want to integrate AI capabilities via API—fast. But for indie devs, students, and small teams, paid APIs can be a roadblock. The good news? There are plenty of completely free, legitimate LLM API resources out there. Some even offer trial credits worth up to millions of tokens. We’ve curated a strictly vetted list of free LLM API services—no reverse-engineered knockoffs, no shady wrappers. Whether you’re prototyping, building …