Chroma
Vector database for storing and querying embeddings in AI/ML applications.
ML and data science PyPI
Used in agent projects
56
0.4% of 12,697 public repos built with AI coding agents
Rank in ml and data science
#12 of 28
by use in those projects
Downloads
1.7M
PyPI, last 7 days, chromadb
GitHub stars
29.5K
last push Oct 10, 2026
How Chroma is used
Chroma is a dependency in 56 of the 12,697 public GitHub projects set up for AI coding agents that we scanned (0.4%), #12 of 28 in ml and data science. The most used alternative there is NumPy. Projects that use it most often also use python-dotenv (78.6%), Pydantic (64.3%), LangChain (Python) (60.7%).
Often used with Chroma
| python-dotenv | 78.6% of Chroma projects · 12.0× more than average |
|---|---|
| Pydantic | 64.3% of Chroma projects · 12.6× more than average |
| LangChain (Python) | 60.7% of Chroma projects · 54.7× more than average |
| Uvicorn | 51.8% of Chroma projects · 12.1× more than average |
| FastAPI | 48.2% of Chroma projects · 11.4× more than average |
| NumPy | 46.4% of Chroma projects · 12.1× more than average |
| Sentence Transformers | 42.9% of Chroma projects · 65.6× more than average |
| Requests | 41.1% of Chroma projects · 7.7× more than average |
By coding agent
| GitHub Copilot | 1.0% of projects set up for it |
|---|---|
| Claude Code | 0.7% of projects set up for it |
| Cursor | 0.7% of projects set up for it |
| Gemini CLI | 1.4% of projects set up for it |
Share of public repos configured for each agent that list Chroma as a dependency.
Install
| Package | pip install chromadb |
|---|---|
| Main stacks | Python (55), .NET (1) |
| Example projects | prompt-security/ps-fuzz, sidetrip-ai/ici-core, timowhite88/Farnsworth, towardsai/agentic-ai-engineering-course, amorphous-dreams/Synthetic-Dream-Machine |
Alternatives to Chroma
| Tool | Used in agent projects | Downloads / wk | GitHub stars | License |
|---|---|---|---|---|
| NumPy pypi Fundamental Python library for numerical computing with arrays and matrices. |
487 (3.8%) | 21M | 33K | — |
| pandas pypi Data manipulation and analysis library with DataFrames for structured data. |
383 (3.0%) | 143M | 50K | — |
| scikit-learn pypi Python machine learning library with classification, regression and clustering algorithms. |
160 (1.3%) | 44.3M | 67.5K | — |
| SciPy pypi Fundamental algorithms for scientific computing with optimized numerical routines. |
141 (1.1%) | 72.2M | 15.1K | — |
| PyTorch pypi Deep learning framework with tensors and dynamic neural networks with GPU support. |
109 (0.9%) | 13.2M | 104K | — |
| Sentence Transformers pypi Pre-trained models for semantic embeddings, retrieval and reranking. |
83 (0.7%) | 5.1M | 19.2K | — |
| Hugging Face Transformers pypi State-of-the-art NLP and multimodal models for inference and training. |
80 (0.6%) | 24.8M | 167K | Apache 2.0 License |
| NetworkX pypi Python package for creating, analyzing and manipulating complex networks and graphs. |
73 (0.6%) | 50.2M | 17.3K | — |