Source: https://seerepo.com/compare/alibaba/open-code-review/vs/gastownhall/gastown
Markdown source: https://seerepo.com/compare/alibaba/open-code-review/vs/gastownhall/gastown.md
Description: open-code-review and gastown share 6 technologies: net/http, OpenTelemetry, go.opentelemetry.io/otel/sdk, go.opentelemetry.io/otel/sdk/metric, go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp, and go.opentelemetry.io/otel/metric. Both are written in Go.

# open-code-review vs gastown

open-code-review and gastown share 6 technologies: net/http, OpenTelemetry, go.opentelemetry.io/otel/sdk, go.opentelemetry.io/otel/sdk/metric, go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp, and go.opentelemetry.io/otel/metric. Both are written in Go.

- [alibaba/open-code-review](https://seerepo.com/r/alibaba/open-code-review): Secure, fast, efficient, battle-tested at Alibaba's scale. Hybrid architecture code review tool: deterministic pipelines + LLM Agent, precise line-level comments, built-in multi-language ruleset (NPE, thread-safety, XSS, SQL injection), OpenAI & Anthropic compatible.
- [gastownhall/gastown](https://seerepo.com/r/gastownhall/gastown): Gas Town - multi-agent workspace manager

## What they share and what sets them apart

- In common: net/http, OpenTelemetry, go.opentelemetry.io/otel/sdk, go.opentelemetry.io/otel/sdk/metric, go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp, go.opentelemetry.io/otel/metric
- Only in open-code-review: OpenAI, Anthropic, MCP, Preact, React, react-router-dom, charm.land/lipgloss/v2, charm.land/bubbletea/v2, charm.land/bubbles/v2, Model Context Protocol, openai-go, Coder, github.com/pkoukk/tiktoken-go, go.opentelemetry.io/otel/trace, github.com/aws/aws-sdk-go-v2/config, go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc, go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc, go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp, Tailwind CSS, Mermaid, three, dompurify, marked, @opencode-ai/plugin
- Only in gastown: MySQL, github.com/charmbracelet/bubbletea, github.com/charmbracelet/lipgloss, github.com/charmbracelet/bubbles, github.com/muesli/termenv, github.com/charmbracelet/glamour, go.opentelemetry.io/otel/log, go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp, go.opentelemetry.io/otel/sdk/log, gopkg.in/natefinch/lumberjack.v2

## Side by side

| | open-code-review | gastown |
|---|---|---|
| Size | 184,408 lines written, 317 code files | 484,221 lines written, 676 code files |
| Who writes it | 2.3% of its commits signed by AI. With Claude Code, Cursor, Codex, and Warp | 58.6% of its commits signed by AI. With Claude Code, Codex, Cursor, GitHub Copilot, and Warp |
| Activity | Last push November 5, 2026, 829 commits, 49,499 stars | Last push October 28, 2026, 6,662 commits, 18,712 stars |
| Tests | 381 test files. 69.4% of its code files have a test that imports them | 576 test files. 73.4% 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, open-code-review or gastown?

gastown, with 484,221 lines written; open-code-review has 184,408.

The proof: [gastownhall/gastown's code at commit 466aa41](https://github.com/gastownhall/gastown/tree/466aa41c83ee73b1fa0eb79eb9d172fb1eca9476)

### Which has more GitHub stars, open-code-review or gastown?

open-code-review, with 49,499 stars; gastown has 18,712.

The proof: [alibaba/open-code-review on GitHub](https://github.com/alibaba/open-code-review)

### Which has more tests, open-code-review or gastown?

gastown, with 576 test files; open-code-review has 381.

The proof: [gastownhall/gastown's code at commit 466aa41](https://github.com/gastownhall/gastown/tree/466aa41c83ee73b1fa0eb79eb9d172fb1eca9476)

### Which was updated more recently, open-code-review or gastown?

open-code-review: its last push was on November 5, 2026, and gastown's on October 28, 2026.

The proof: [alibaba/open-code-review's commits on GitHub](https://github.com/alibaba/open-code-review/commits)

### Which has more commits signed by AI, open-code-review or gastown?

gastown: an AI signed 58.6% of its commits, with Claude Code, Codex, Cursor, GitHub Copilot, and Warp; in open-code-review, 2.3%.

The proof: [the commits each tool signed in gastownhall/gastown](https://seerepo.com/r/gastownhall/gastown/ai)

## Sources

- alibaba/open-code-review: Read on November 5, 2026, at commit 891df1b (https://github.com/alibaba/open-code-review/tree/891df1b63f380845d882a289a67a6e36c331120c)
- gastownhall/gastown: Read on November 6, 2026, at commit 466aa41 (https://github.com/gastownhall/gastown/tree/466aa41c83ee73b1fa0eb79eb9d172fb1eca9476)

## 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.