The complete directory of free LLM API keys — Groq, Google Gemini, Mistral, Cohere, NVIDIA NIM, OpenRouter, and 25+ more providers.
🌐 Visit freellms.org for the full live directory
A curated, always-up-to-date list of free LLM API keys — where to get them, what they unlock, and how to use them. No trial credits, no expiring allowances. Just permanently free API keys you can grab in under a minute.
Every key listed here works with OpenAI-compatible tooling (Cursor, Codex CLI, Claude Code, Aider, Cline, Open WebUI, and 10+ more).
Live, searchable directory: freellms.org
| Provider | Get Free API Key | Credit Card? | Free Tier |
|---|---|---|---|
| Groq | Get Key → | No | 30 RPM, 14,400 RPD |
| Google Gemini | Get Key → | No | 15 RPM, 1,500 RPD |
| Mistral AI | Get Key → | No | Free tier |
| Cohere | Get Key → | No | 20 RPM |
| NVIDIA NIM | Get Key → | Phone | 1M context |
| OpenRouter | Get Key → | Registration | 1K RPD |
| GitHub Models | Get Key → | No | Free tier |
| Cloudflare Workers AI | Get Key → | No | 10K neurons/day |
| Cerebras | Get Key → | No | 5 RPM |
| Hugging Face | Get Key → | No | Free tier |
| Z AI (Zhipu) | Get Key → | No | Free tier |
| SambaNova | Get Key → | Registration | 20 RPM |
| LLM7.io | Get Key → | No | 30 RPM |
Full list of 30+ providers: freellms.org
- Pick a provider — start with Groq (no credit card, instant key).
- Sign up & copy your key — most providers only need an email.
- Use it — paste the key + base URL into any OpenAI-compatible tool.
Detailed walkthrough for each provider: freellms.org
from openai import OpenAI
client = OpenAI(
base_url="https://api.groq.com/openai/v1", # free, no credit card
api_key="YOUR_FREE_API_KEY", # get at freellms.org
)
response = client.chat.completions.create(
model="llama-3.3-70b-versatile",
messages=[{"role": "user", "content": "Hello!"}],
)
print(response.choices[0].message.content)Step-by-step config for every major tool: freellms.org
- No credit card — most providers issue keys on email signup alone
- No expiry — permanently free tiers, not trial credits
- OpenAI-compatible — drop-in for any tool that accepts
baseURL+apiKey - Production-usable — generous rate limits for personal projects and prototyping
Browse all providers, compare rate limits, and grab your free API key at freellms.org.
- Free LLM API directory
- Free OpenAI-compatible API list
- Free AI proxy gateway
- Free LLM models catalog
- Awesome free AI agents
MIT — keys and links sourced from freellms.org, updated daily.