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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.

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What they share and what sets them apart

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.

Go49.5kRead on November 5, 2026, at commit 891df1bWhat is open-code-review built with?

Only in open-code-review

In common

gastownhall

gastown

Gas Town - multi-agent workspace manager

Go18.7kRead on November 6, 2026, at commit 466aa41What is gastown built with?

Only in gastown

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
open-code-review184,408 lines written317 code files
gastown484,221 lines written676 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.
open-code-review2.3% of its commits signed by AIWith Claude Code, Cursor, Codex, and Warp
gastown58.6% of its commits signed by AIWith Claude Code, Codex, Cursor, GitHub Copilot, and Warp
ActivityFrom GitHub and its history, on the day SeeRepo read it.
open-code-reviewLast push November 5, 2026829 commits49,499 stars
gastownLast push October 28, 20266,662 commits18,712 stars
TestsThe files that test the code, and the share of code files a test imports.
open-code-review381 test files69.4% of its code files have a test that imports them
gastown576 test files73.4% of its code files have a test that imports them

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

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

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

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

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

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