Free LLM API Resources: The Ultimate Guide to Free AI Access

If you’re a developer, researcher, or AI enthusiast looking to experiment with large language models without breaking the bank, you’ve found the right resource. The free-llm-api-resources repository on GitHub is a curated collection of services offering free or trial-based access to LLM APIs—a goldmine for anyone building AI-powered applications.

What is free-llm-api-resources?

This repository, created by cheahjs, contains a comprehensive list of services that provide free access or credits toward API-based LLM usage. With over 16.6k stars and 1.7k forks, it’s one of the most popular resources in the AI developer community.

Warning: The list explicitly excludes any services that are not legitimate (e.g., reverse-engineered chatbots).

Free Providers

These services offer completely free access with no payment required:

• OpenRouter – 20 requests/minute, 50 requests/day, models include Gemma 3, Llama 3.2, and more
• Google AI Studio – Up to 250,000 tokens/minute with Gemini 3 Flash
• NVIDIA NIM – 40 requests/minute with various open models
• Mistral (La Plateforme) – 1M tokens/month on free tier
• HuggingFace Inference – $0.10/month in credits
• Groq – Up to 14,400 requests/day with Llama and Qwen models
• Cloudflare Workers AI – 10,000 neurons/day

Providers with Trial Credits

These services offer free credits to get started:

• Fireworks – $1 credits
• Baseten – $30 credits
• AI21 – $10 credits for 3 months
• Upstage – $10 credits for 3 months
• SambaNova Cloud – $5 for 3 months
• Scaleway – 1,000,000 free tokens

Important Notes

• Please don’t abuse these services, or we might lose them
• Some providers use data for model training—check their terms
• Rate limits vary by provider and model

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