Build AI applications that know, learn, and search — intelligently.
Fast, serverless, and scalable search platform supporting vector, full-text, regex, and metadata search. Built on object storage and trusted by millions of developers. Open-source Apache 2.0.
Hidden
5M+ monthly downloads
Apache 2.0
24k Github stars
Fast queries over billions of multi-tenant indexes.
No engineering ops
Scales with your data and traffic. SOC 2 Type II.
Features
◆
Vector search
Semantic similarity search
◇
Sparse vector search
Lexical search (BM25, SPLADE)
●
Full-text Search
Trigram and regex search
◐
Metadata Search
Filtering and faceted search
◊
Forking
Dataset versioning, A/B testing, and roll-outs
▣
CLI
Command-line tools for development
Performance
Fast search over billions of multi-tenant indexes
Chroma's indexes are built and optimized for object-storage offering unparalleled cost and performance. State-of-the-art vector, full-text, and regex search.
Latency
Query Latency
@384 dim at 100k vectors
to run a POC for your specific workload.
Dedicated clusters can be scaled to your specific requirements.
Technical specs
Write throughput (per collection)30 MB/s (2000+ QPS)
Concurrent reads (per collection)5 (100+ QPS)
Collections per database1M
Records per collection5M
Recall90-100%
Zero-ops infra
Unlike legacy search systems, Chroma is a database you'll want to be on-call for.
✓Auto-scales with usage
✓No manual tuning
✓Serverless pricing
Chroma takes full advantage of object storage with automatic query-aware data tiering and caching.
✓Vectors are large: 1GB text → 15GB of vectors
✓Memory is expensive: $5/GB/mo
✓Object storage is not: $0.02/GB/mo
Enterprise
Chroma brings the security, compliance, education and operational model enterprises need with our Apache 2.0 architecture.
BYOC in your VPC, multi-cloud/multi-region replication, point-in-time-recovery ensure a resilient and scalable search system with the same 0-ops story as Cloud.
[●] Open source community
Open-source databases give your team the control and flexibility to build exactly what you need. No licensing limits, no vendor lock-in, just reliable performance backed by a large community.
Chroma has over 24k GitHub stars and is used in over 90k other open-source codebases on GitHub. It is downloaded over 8M times a month.
Join the Discord to see what people are building!
Run Chroma on your own infrastructure with our open-source deployment guides.
[◆] Support
Join our 10K person strong Discord community to get fast and expert help from the open-source community.
Helpful support direct from engineers on the Chroma team
Direct Slack communication for fast support and help designing and iterating your search system.
[▲] Research
Our research spans both basic and applied research for search, retrieval, agents, and context engineering.
[■] Updates
Chroma's project is rapidly improving. Here are the latest updates.
We’re looking for curious people who are dedicated to becoming world-class at their craft to join our team.

Get started
Get up and running in 30 seconds or less with $5 in free credits.
Hidden