Chroma
Chroma is an open-source search and retrieval database designed specifically for AI applications. It enables efficient vector storage, similarity search, and large-scale retrieval necessary for modern machine learning and LLM-powered projects.
Chroma is built in Rust, distributed under the Apache License 2.0, 27.4k GitHub stars from 100 contributors, latest release 1.5.7.
When to use Chroma
Chroma is listed here as a Database project. The directory calls out Vector database optimized for AI workloads, High-performance similarity search, Seamless integration with machine learning pipelines as capabilities associated with it.
Other recorded traits for Chroma include Open-source and developer-friendly, Scalable architecture for large datasets.
Besides Database, this page also files Chroma under AI, Development, Tools.
Chroma compared with
Records in this directory name Pinecone, Weaviate, Milvus, Qdrant as products people compare with Chroma. That list is editorial metadata, not a claim that Chroma replaces each of them.
Open-source projects that mention Chroma are collected on a separate alternatives page.
What the Chroma stats reflect
GitHub currently shows 27.4k GitHub stars, about 100 contributors, 2.2k forks, 576 open issues, latest tracked release 1.5.7. Star and activity counts here are a snapshot used as a proxy for community adoption, not a quality score.
Stats refreshed
- Language
- Rust
- Latest Release
- 1.5.7
- License
- Apache License 2.0
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Key features of Chroma
- Vector database optimized for AI workloads
- High-performance similarity search
- Seamless integration with machine learning pipelines
- Open-source and developer-friendly
- Scalable architecture for large datasets
See open-source alternatives to Chroma
Compare with
Chroma resources
Chroma on GitHub
Frequently asked questions
What is Chroma?
Chroma is an open-source search and retrieval database designed specifically for AI applications. It enables efficient vector storage, similarity search, and large-scale retrieval necessary for modern machine learning and LLM-powered projects. This directory highlights Vector database optimized for AI workloads, High-performance similarity search, Seamless integration with machine learning pipelines.
Is Chroma free to use?
Chroma is published as open source under the Apache License 2.0. The directory lists Vector database optimized for AI workloads, High-performance similarity search, Seamless integration with machine learning pipelines among its recorded capabilities.
What language is Chroma written in, and what is the latest release?
Chroma is written primarily in Rust. The latest release tracked on this page is 1.5.7.
How widely is Chroma used on GitHub?
Chroma has about 27.4k GitHub stars across about 100 contributors. It also has about 2.2k forks. Those counts are a snapshot of community attention, not a ranking of quality.
What do people compare Chroma with?
This directory records Pinecone, Weaviate, Milvus, Qdrant as comparison points for Chroma. A longer list of open-source projects that mention Chroma is at https://www.open-source-tools.com/alternatives/chroma.
Related tools
Weaviate
Weaviate is an open-source vector database designed to store and manage both objects and vectors, enabling combined vector search with structured filtering. It offers fault tolerance, scalability, and is built as a cloud-native, developer-friendly solution for semantic search and AI-powered applications.
Qdrant
Qdrant - High-performance, massive-scale Vector Database and Vector Search Engine for the next generation of AI. Also available in the cloud.
Pgvector
Open-source vector similarity search extension for PostgreSQL, enabling efficient and accurate vector-based data retrieval.
Milvus
A high-performance, cloud-native vector database designed for scalable and efficient vector Approximate Nearest Neighbor (ANN) search.
Postgresml
Postgres enhanced with GPU acceleration for efficient machine learning and AI applications.
Typesense
Open Source alternative to Algolia and Pinecone, and an easier-to-use alternative to ElasticSearch. Fast, typo tolerant, in-memory fuzzy search engine for building delightful search experiences.