buzz vs databend

buzz and databend share 10 technologies: tower, sqlx, Redis, lru, Tokio, jsonwebtoken, hmac, OpenTelemetry, opentelemetry-otlp, and zip. Both are written in Rust.

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What they share and what sets them apart

Only in buzz

In common

databendlabs

databend

Data Agent Ready Warehouse : One for Analytics, Search, AI, Python Sandbox. — rebuilt from scratch. Unified architecture on your S3.

Rust9.5kRead on November 15, 2026, at commit 2c77adeWhat is databend built with?

Only in databend

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
buzz1,877,581 lines written3,526 code files
databend1,145,859 lines written3,334 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.
buzz18.8% of its commits signed by AIWith Claude Code, Codex, Cursor, and Amp
databend0.1% of its commits signed by AIWith Claude Code, GitHub Copilot, Codex, Amp, and Cursor
ActivityFrom GitHub and its history, on the day SeeRepo read it.
buzzLast push November 14, 20263,485 commits37,387 stars
databendLast push November 15, 202625,604 commits9,495 stars
TestsThe files that test the code, and the share of code files a test imports.
buzz1,815 test files45.1% of its code files have a test that imports them
databend971 test files6.9% of its code files have a test that imports them

Frequently asked questions

Which is bigger, buzz or databend?
buzz, with 1,877,581 lines written; databend has 1,145,859.

The proof: block/buzz's code at commit 5780bd7

Which has more GitHub stars, buzz or databend?
buzz, with 37,387 stars; databend has 9,495.

The proof: block/buzz on GitHub

Which has more tests, buzz or databend?
buzz, with 1,815 test files; databend has 971.

The proof: block/buzz's code at commit 5780bd7

Which was updated more recently, buzz or databend?
databend: its last push was on November 15, 2026, and buzz's on November 14, 2026.

The proof: databendlabs/databend's commits on GitHub

Which has more commits signed by AI, buzz or databend?
buzz: an AI signed 18.8% of its commits, with Claude Code, Codex, Cursor, and Amp; in databend, 0.1%.

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

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