Aggregated Repository for Free LLM API Keys: Accessing GPT-5.5, Claude, and Other Frontier Models

A new GitHub repository by user alistaitsacle provides a curated, frequently updated collection of free API keys for several leading Large Language Models (LLMs), including GPT-5.5, Claude, DeepSeek, Gemini, and Grok, aimed at reducing barriers to entry for developers.

Overview of the Resource

The repository free-llm-api-keys serves as a centralized directory for developers and researchers to obtain API keys for various frontier AI models without the immediate requirement of credit card registration or upfront payment. The project focuses on providing rapid access to high-performance models, streamlining the initial integration and testing phase for AI-driven applications.

Supported Model Ecosystems

The repository claims to provide access to a diverse array of state-of-the-art architectures, enabling cross-model benchmarking and comparative analysis. The listed models include:

• OpenAI: GPT-5.5
• Anthropic: Claude
• DeepSeek: DeepSeek series
• Google: Gemini
• xAI: Grok

Maintenance and Availability

To combat the high volatility of free API keys—which are frequently revoked or hit rate limits—the maintainer updates the repository 3 to 5 times daily. This ensures that users have a higher probability of finding active credentials for their development workflows.

Technical Note and Limitations

Note: The provided source material does not specify the origin of these keys or the legal terms of service governing their use. Users should be aware of potential security risks associated with using shared API keys and the possibility of sudden service interruptions due to quota exhaustion or account suspensions.