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chroma vs vllm

chroma and vllm share 15 technologies: axum, FastAPI, Tokio, tower, OpenAI, indicatif, tokenizers, Pydantic, jsonschema, opentelemetry-api, tracing, OpenTelemetry, tracing-subscriber, psutil, and Hugging Face. chroma is written in Rust and vllm 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

vllm-project

vllm

A high-throughput and memory-efficient inference and serving engine for LLMs

Python96.3kRead on November 4, 2026, at commit 75f6761What is vllm built with?

Only in vllm

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
chroma474,465 lines written886 code files
vllm2,375,117 lines written3,289 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
vllm12.8% of its commits signed by AIWith Claude Code, Codex, Gemini CLI, Cursor, GitHub Copilot, Devin, Mistral Vibe, CodeRabbit, Factory, and Qwen Code
ActivityFrom GitHub and its history, on the day SeeRepo read it.
chromaLast push November 7, 20264,542 commits29,650 stars
vllmLast push November 4, 202624,593 commits96,302 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
vllm2,419 test files60.2% of its code files have a test that imports them

Frequently asked questions

Which is bigger, chroma or vllm?
vllm, with 2,375,117 lines written; chroma has 474,465.

The proof: vllm-project/vllm's code at commit 75f6761

Which has more GitHub stars, chroma or vllm?
vllm, with 96,302 stars; chroma has 29,650.

The proof: vllm-project/vllm on GitHub

Which has more tests, chroma or vllm?
vllm, with 2,419 test files; chroma has 345.

The proof: vllm-project/vllm's code at commit 75f6761

Which was updated more recently, chroma or vllm?
chroma: its last push was on November 7, 2026, and vllm's on November 4, 2026.

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

Which has more commits signed by AI, chroma or vllm?
vllm: an AI signed 12.8% of its commits, with Claude Code, Codex, Gemini CLI, Cursor, GitHub Copilot, Devin, Mistral Vibe, CodeRabbit, Factory, and Qwen Code; in chroma, 1.5%.

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

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