Chroma
FreeLocal/Dev & Mid-scale
FreeFree tier
Inputs: text
About Chroma
Chroma is the open-source data infrastructure for AI, providing a vector database designed for ease of use and rapid prototyping. The core API has only 4 functions (create_collection, add, query, and get), and it handles tokenization, embedding, and indexing automatically. It supports persistent in-memory storage, client-server mode, and offers hybrid and full-text search via its hosted Chroma Cloud service. The project is actively developed with frequent releases and community contributions.
Key Features
Simple core API with only 4 functions (create_collection, add, query, get)
Automatic tokenization, embedding, and indexing of documents
Support for client-server mode and persistent storage
Chroma Cloud for serverless vector, hybrid, and full-text search
Open-source with active community and frequent releases (weekly tagged versions)
Pros & Cons
Pros
- Open-source and free to self-host
- Extremely simple API for quick setup and prototyping
- Handles embedding and indexing automatically, reducing boilerplate
- Scalable with client-server mode and Chroma Cloud offering
- Active development with a responsive community on Discord
Cons
- Relatively new project, may lack some advanced features of mature vector databases
- Documentation and tutorials are still evolving
Best For
AI prototyping and experimentationDocument retrieval and semantic searchRetrieval-Augmented Generation (RAG) pipelinesBuilding production-grade search infrastructure with Chroma Cloud
FAQ
What is Chroma?
Chroma is an open-source data infrastructure for AI that provides a simple vector database. It handles tokenization, embedding, and indexing automatically, and offers a core API with only 4 functions.
How do I install Chroma?
You can install Chroma via pip: 'pip install chromadb'. For JavaScript, use 'npm install chromadb'. For client-server mode, run 'chroma run --path /chroma_db_path'.
Is Chroma free?
Chroma itself is free and open-source. Chroma Cloud, the hosted service, offers a free tier with $5 of credits to start.
How can I contribute to Chroma?
Chroma welcomes PR contributors. You can review the roadmap, pick an issue labeled 'good first issue', open a pull request, and join the conversation on Discord in the #contributing channel.