Source: https://seerepo.com/compare/block/buzz/vs/databendlabs/databend
Markdown source: https://seerepo.com/compare/block/buzz/vs/databendlabs/databend.md
Description: buzz and databend share 10 technologies: tower, sqlx, Redis, lru, Tokio, jsonwebtoken, hmac, OpenTelemetry, opentelemetry-otlp, and zip. Both are written in Rust.

# 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.

- [block/buzz](https://seerepo.com/r/block/buzz): A hive mind communication platform
- [databendlabs/databend](https://seerepo.com/r/databendlabs/databend): Data Agent Ready Warehouse : One for  Analytics, Search, AI, Python Sandbox.  — rebuilt from scratch. Unified architecture on your S3.

## What they share and what sets them apart

- In common: tower, sqlx, Redis, lru, Tokio, jsonwebtoken, hmac, OpenTelemetry, opentelemetry-otlp, zip
- Only in buzz: Flutter, flutter_hooks, axum, buzz-db, psycopg, shared_preferences, flutter_secure_storage, moka, rust-s3, flutter_cache_manager, Vite, React, Tauri, tanstack, objc2-app-kit, objc2-foundation, rusqlite, SQLite, @tauri-apps/api, appcompat, scrollable_positioned_list, video_player, app_badge_plus, highlight, cupertino_icons, buzz-auth, keyring, local_auth, ort-sys, rmcp, sherpa-onnx, google_mlkit_selfie_segmentation, ort, sentencepiece-model, tokenizers, buzz-media, image, gpt_markdown, image_picker, flutter_svg, infer, photo_manager, blurhash, imagesize, mobile_scanner, mp4, pulldown-cmark, quick-xml, SwiftDraw, symphonia, webp, Pydantic, schemars, tracing, metrics, tracing-subscriber, k8s-openapi, metrics-exporter-prometheus, tracing-opentelemetry, kube, Tailwind CSS, class-variance-authority, @fontsource-variable/inter, @fontsource/jetbrains-mono, tailwind-merge, sonner, motion, tiptap, Radix UI, emoji-mart, alacritty_terminal, virtua, tauri-plugin-dialog, dnd-kit, react-diff-view, @tanstack/react-virtual, @tauri-apps/plugin-notification, embla-carousel-react, notify-rust, objc2-user-notifications, react-day-picker, tauri-plugin-notification, tauri-plugin-window-state, tiptap-markdown, webkit2gtk, window-vibrancy, Lucide, jdenticon, ed25519-dalek, mesh-llm-host-runtime, mesh-llm-node, earshot, MediaPipe, mesh-llm-client, mesh-llm-events, mesh-llm-sdk, yaml, png, react-markdown, shiki, plist, mdast-util-from-markdown, qrcode, remark-breaks, remark-gfm, upng-js, Zod, tauri-apps, mesh-llm-system
- Only in databend: sqlx-mysql, opendal, jsonb, arrow-flight, iceberg, arrow, concurrent-queue, hashlink, iceberg-catalog-glue, iceberg-catalog-rest, MySQL, Poem, comfy-table, jinja2, parquet, apache-avro, csv-core, log, prometheus-client, fastrace-opentelemetry, prometheus-parse

## Side by side

| | buzz | databend |
|---|---|---|
| Size | 1,877,581 lines written, 3,526 code files | 1,145,859 lines written, 3,334 code files |
| Who writes it | 18.8% of its commits signed by AI. With Claude Code, Codex, Cursor, and Amp | 0.1% of its commits signed by AI. With Claude Code, GitHub Copilot, Codex, Amp, and Cursor |
| Activity | Last push November 14, 2026, 3,485 commits, 37,387 stars | Last push November 15, 2026, 25,604 commits, 9,495 stars |
| Tests | 1,815 test files. 45.1% of its code files have a test that imports them | 971 test files. 6.9% of its code files have a test that imports them |

- Size: Lines written by people and agents, without generated ones; code files, without tests.
- Who writes it: A commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
- Activity: From GitHub and its history, on the day SeeRepo read it.
- Tests: The files that test the code, and the share of code files a test imports.

## 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](https://github.com/block/buzz/tree/5780bd7d94098150a6ff4dc5bc4e8c84f20634e7)

### Which has more GitHub stars, buzz or databend?

buzz, with 37,387 stars; databend has 9,495.

The proof: [block/buzz on GitHub](https://github.com/block/buzz)

### 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](https://github.com/block/buzz/tree/5780bd7d94098150a6ff4dc5bc4e8c84f20634e7)

### 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](https://github.com/databendlabs/databend/commits)

### 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](https://seerepo.com/r/block/buzz/ai)

## Sources

- block/buzz: Read on November 14, 2026, at commit 5780bd7 (https://github.com/block/buzz/tree/5780bd7d94098150a6ff4dc5bc4e8c84f20634e7)
- databendlabs/databend: Read on November 15, 2026, at commit 2c77ade (https://github.com/databendlabs/databend/tree/2c77ade481cd917fd9f697300449ff412ff93eb3)

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.