Chroma is the AI-native open-source vector database. Chroma makes it easy to build LLM apps by making knowledge, facts, and skills pluggable for LLMs.

New to Chroma? ๐Ÿ”‘ Getting Started.

GitHub stars

Chroma gives you the tools to:

  • store embeddings and their metadata
  • embed documents and queries
  • search embeddings

Chroma prioritizes:

  • simplicity and developer productivity
  • it also happens to be very quick

Chroma runs as a server and provides 1st party Python and JavaScript/TypeScript client SDKs. Check out the Colab demo. (yes, it can run in a Jupyter notebook ๐Ÿ˜„)

Chroma is licensed under Apache 2.0


In Python, Chroma can run in a python script or as a server.

Command Line


In JavaScript, use the Chroma JS/TS Client to connect to a Chroma server.

Command Line

Continue with the full getting started guide.

Language Clients#

Pythonโœ… chromadb (by Chroma)
Javascriptโœ… chromadb (by Chroma)
Rubyโœ… from @mariochavez
Javaโœ… from @t_azarov
Goโœ… from @t_azarov
C#โœ… from @microsoft
Rustโœ… from @Anush008
Elixirโœ… from @3zcurdia
Dartโœ… from @davidmigloz
PHPโœ… from @CodeWithKyrian
PHP (Laravel)โœ… from @HelgeSverre

We welcome contributions for other languages!