About llmdb.xyz

What is this?

llmdb.xyz is a comprehensive database of Large Language Models (LLMs) from all major providers. Browse, filter, and compare models by capabilities, pricing, context windows, and more.

This site is powered by llm_db, an open-source Elixir package that provides a unified interface for querying LLM model metadata across providers.

The llm_db package is designed to power req_llm, a comprehensive Elixir AI API client that provides a unified interface for interacting with OpenAI, Anthropic, Google, Mistral, and many other LLM providers.

Features

• Browse 2,000+ models from OpenAI, Anthropic, Google, Mistral, and more
• Filter by capabilities: chat, embeddings, reasoning, tool use, streaming
• Compare pricing across providers
• View context windows and output limits
• Filter by input/output modalities (text, image, audio)
• Dark mode support

Data Sources

The llm_db package aggregates model metadata from multiple sources to build a comprehensive catalog spanning 127+ providers. Data is collected through a build-time ETL pipeline that ingests, normalizes, validates, and merges records from each source:

• models.dev — community-maintained model catalog with pricing, context limits, and capabilities
• OpenAI Models API — official model list directly from OpenAI
• Anthropic Models API — official model list directly from Anthropic
• Google Gemini API — official model list from Google
• xAI API — official model list from xAI
• OpenRouter — aggregated model catalog across dozens of providers
• Hand-curated local TOML overrides for corrections and additional metadata

Sources are merged with a last-wins precedence strategy, allowing hand-curated data to override upstream records where needed.

Acknowledgements

Special thanks to the models.dev project for maintaining an open, community-driven catalog of LLM model metadata. Their comprehensive dataset serves as a foundational data source for llm_db and makes projects like this one possible.

Open Source

Both this website and the underlying llm_db package are open source.

Author

Built by Mike Hostetler. Found a bug or have a suggestion? Please submit an issue on GitHub.