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chroma vs ray

chroma and ray share 15 technologies: FastAPI, uvicorn, Rich, tokenizers, onnxruntime, Pydantic, jsonschema, opentelemetry-api, opentelemetry-exporter-otlp-proto-grpc, opentelemetry-instrumentation-fastapi, OpenTelemetry, boto3, kubernetes, psutil, and Hugging Face. chroma is written in Rust and ray in Python.

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What they share and what sets them apart

chroma-core

chroma

Search infrastructure for AI

Rust29.7kRead on November 8, 2026, at commit 1a3ac2cWhat is chroma built with?

Only in chroma

In common

ray-project

ray

Ray is an AI compute engine. Ray consists of a core distributed runtime and a set of AI Libraries for accelerating ML workloads.

Python44.2kRead on November 6, 2026, at commit 77567c5What is ray built with?

Only in ray

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
chroma474,465 lines written886 code files
ray1,531,664 lines written2,777 code files
Who writes itA commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
chroma1.5% of its commits signed by AIWith Claude Code, Cursor, and Sweep
ray3.6% of its commits signed by AIWith Claude Code, Gemini CLI, GitHub Copilot, Cursor, and Codex
ActivityFrom GitHub and its history, on the day SeeRepo read it.
chromaLast push November 7, 20264,542 commits29,650 stars
rayLast push November 6, 202632,373 commits44,213 stars
TestsThe files that test the code, and the share of code files a test imports.
chroma345 test files31% of its code files have a test that imports them
ray2,168 test files9.7% of its code files have a test that imports them

Frequently asked questions

Which is bigger, chroma or ray?
ray, with 1,531,664 lines written; chroma has 474,465.

The proof: ray-project/ray's code at commit 77567c5

Which has more GitHub stars, chroma or ray?
ray, with 44,213 stars; chroma has 29,650.

The proof: ray-project/ray on GitHub

Which has more tests, chroma or ray?
ray, with 2,168 test files; chroma has 345.

The proof: ray-project/ray's code at commit 77567c5

Which was updated more recently, chroma or ray?
chroma: its last push was on November 7, 2026, and ray's on November 6, 2026.

The proof: chroma-core/chroma's commits on GitHub

Which has more commits signed by AI, chroma or ray?
ray: an AI signed 3.6% of its commits, with Claude Code, Gemini CLI, GitHub Copilot, Cursor, and Codex; in chroma, 1.5%.

The proof: the commits each tool signed in ray-project/ray

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