chroma vs union

chroma and union share 16 technologies: axum, sqlx-postgres, sqlx, Postgres, SQLite, Tokio, tower, Ratatui, crossterm, schemars, tracing, tracing-opentelemetry, github.com/rs/zerolog, OpenTelemetry, tracing-subscriber, and opentelemetry-otlp. Both are written in Rust.

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Side by side

chromaunion

SizeLines written by people and agents, without generated ones; code files, without tests.

chroma474,465 lines written886 code files

union468,416 lines written1,841 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

union0% of its commits signed by AIWith CodeRabbit

ActivityFrom GitHub and its history, on the day SeeRepo read it.

chromaLast push November 7, 20264,542 commits29,650 stars

unionLast push July 25, 202613,299 commits73,725 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

union120 test files10.4% of its code files have a test that imports them

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