Get updated API keys for Claude, Gemini, DeepSeek, and more without a credit card. A fast way for founders to test LLM integrations. 1.3k+ GitHub stars.
1,434 stars143 forksPythonUpdated 6/2/2026100% free ยท open source
What it does
Get free API keys for popular large language models like Claude and Gemini without a credit card to quickly test LLM integrations in your startup
When to use it
โขYou need to prototype an LLM-powered feature without incurring costs
โขYour startup requires testing multiple LLM models for comparison
โขYou're looking for a low-risk way to explore LLM capabilities for your business
Quick start
1Visit the GitHub repository and copy the provided API key for your desired LLM model
2Choose a Python library or framework that supports your selected LLM model
3Use the copied API key in your Python code to make requests to the LLM model's API
4Test and refine your LLM-powered feature with the free API key
Ready-to-paste prompt
python -c 'import requests; response = requests.post("https://api.example.com/llm", json={"prompt": "Write a product description for a new smartwatch"}, headers={"Authorization": "Bearer YOUR_API_KEY_HERE"})'; print(response.text)
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Topics
ai
api
api-key
api-keys
chatgpt
claude
deepseek
free
free-api
free-api-key
free-gpt
free-llm
gemini
gpt
gpt4
grok
large-language-models
llm
llm-api
openai
What's inside โ free to inspect
No purchase needed
Read the entire source before you build โ unlike paid marketplaces that hide it behind a buy button.