buzz vs Pumpkin

buzz and Pumpkin share 7 technologies: axum, Tokio, hmac, tracing, tracing-subscriber, ed25519-dalek, and png. Both are written in Rust.

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What they share and what sets them apart

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
buzz1,826,129 lines written3,453 code files
Pumpkin641,187 lines written2,803 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.
buzz17.2% of its commits signed by AIWith Claude Code, Codex, Cursor, and Amp
Pumpkin0.4% of its commits signed by AIWith Claude Code, CodeRabbit, and GitHub Copilot
ActivityFrom GitHub and its history, on the day SeeRepo read it.
buzzLast push November 6, 20263,348 commits36,778 stars
PumpkinLast push November 10, 20263,087 commits12,913 stars
TestsThe files that test the code, and the share of code files a test imports.
buzz1,760 test files44.8% of its code files have a test that imports them
Pumpkin29 test files3.6% of its code files have a test that imports them

Frequently asked questions

Which is bigger, buzz or Pumpkin?
buzz, with 1,826,129 lines written; Pumpkin has 641,187.

The proof: block/buzz's code at commit 96af488

Which has more GitHub stars, buzz or Pumpkin?
buzz, with 36,778 stars; Pumpkin has 12,913.

The proof: block/buzz on GitHub

Which has more tests, buzz or Pumpkin?
buzz, with 1,760 test files; Pumpkin has 29.

The proof: block/buzz's code at commit 96af488

Which was updated more recently, buzz or Pumpkin?
Pumpkin: its last push was on November 10, 2026, and buzz's on November 6, 2026.

The proof: Pumpkin-MC/Pumpkin's commits on GitHub

Which has more commits signed by AI, buzz or Pumpkin?
buzz: an AI signed 17.2% of its commits, with Claude Code, Codex, Cursor, and Amp; in Pumpkin, 0.4%.

The proof: the commits each tool signed in block/buzz

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