Summary
This is a reference table for LLM providers with actual permanent free tiers, not trial credits that expire. It covers both first-party APIs (Gemini, Mistral, Cohere) and inference providers hosting open models (Groq, Cerebras, OpenRouter). Every endpoint listed is OpenAI SDK-compatible, so you can swap providers by changing two lines of code. The rate limits are documented upfront, which saves you from hitting walls during prototyping. Useful when you need to compare what you can actually build for free or want a fallback provider without spinning up your own inference stack. The code examples are copy-paste ready with proper environment variable handling.
Install to Claude Code
npx -y skills add aradotso/trending-skills --skill awesome-free-llm-apis --agent claude-codeInstalls into .claude/skills of the current project.
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Featured
belt cli automatically finds the best tools and skills for your agent. image, video, music, tts...
one prompt install →Plug Mailtrap into your AI workflow and let it handle the email.
Connect Mailtrap MCP →Agent, run crypto. Access onchain data & trade routes via 1inch.
Install now →Make coding agent sessions - Searchable, Shareable, Vendor-neutral & Scored.
Try For Free →Your agent targets a perfect 10 Code Health score. Deterministic. Every commit.
Try For Free →Integrate web data into your AI product. One API to scrape website & brand data.
Get API Key Now →
