mnfst/awesome-free-llm-apis

Project overview

A curated directory of LLM API providers that maintain permanent free tiers for text inference. It lists each provider's technical specifications, including rate limits, context windows, and supported models, so developers can evaluate options without relying on time-limited trials.

Project type

Model Runtime

Deployment

Refer to project documentation

License

CC0-1.0

Best for

• Developers seeking a no-cost, informational resource to identify and compare external LLM API providers based on their permanent free tier specifications.

Key capabilities

• Maintains a categorized directory of companies and platforms offering permanent free tiers for LLM text inference.
• Documents technical specifications for each listed API, including base URL, rate limits, context windows, and maximum output.
• Lists specific models available under each provider's free tier along with their supported modalities such as text, image, audio, and code.

Limitations and risks

• The list explicitly excludes time-limited promos and trial credits, focusing only on permanent free tiers.
• Usage requires sending inference requests to various external LLM API providers, meaning data leaves the local environment.

Getting started

• Open the README.md file in the repository to read the curated list of free LLM APIs, their specifications, and direct links to API key pages.

Evidence and sources

• README: LLM APIs with permanent free tiers for text inference.
• GitHub project description: List of Permanent Free LLM API (API Keys)
• README: APIs run by the companies that train or fine-tune the models themselves.
• README: Trial credits and time-limited promos don't count.
• README: Base URL: `https://api.aionlabs.ai/v1`

Reviewed at: 2026-07-15T19:51:32Z