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About

Open Code Review is an AI-powered code review CLI built from Alibaba’s battle-tested internal code review agent and validated across millions of real-world tasks. It reads Git diffs, sends changed files to a configurable LLM through an agent with tool-use capabilities, and generates structured review comments with precise line-level positioning. Rather than reviewing only the visible diff, the agent can read complete files, search the codebase, inspect related changes, and cross-reference context to uncover deeper issues. Its hybrid architecture separates deterministic engineering tasks such as file filtering, task splitting, rule routing, scheduling, and line positioning from LLM reasoning for risk detection, context exploration, and issue classification. A dedicated reflection module helps intercept hallucinations and knowledge drift before comments are returned. Review depth can be adjusted from low to high depending on the required balance of speed and thoroughness.

About

Save costly developer time by automating pull request summaries. Open a pull request and get a summary of the changes in seconds. Instantly understand the implications of small pull requests and get a huge headstart on big ones. A lot of time is spent on code reviews with back and forth between the reviewer and the author - often about minor changes that could be done automatically. Just comment on the lines of code that should be refactored with /wtd and describe the changes that you want. What The Diff will then suggest the changes in the pull request and you can accept them with a single click. What The Diff analyzes the changes of your pull requests and gives you and your team a summary of all the changes in plain english – no need to do this yourself. What The Diff has been trained with a huge data set of code and supports nearly all programming languages. Install the GitHub app for free and give it a try it on one of your repositories.

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Not Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Developers, platform teams, and ML researchers seeking to automate deep, context-aware code review with configurable AI models and precise, actionable feedback

Audience

Companies that need an AI-powered code review assistant platform to pull request review

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Not Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported

Pricing

$19 per month
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Not Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Alibaba
Founded: 1999
China
open-codereview.ai/

Company Information

What The Diff
whatthediff.ai/

Alternatives

Alternatives

Bugbot

Bugbot

Cursor
devlo

devlo

devlo AI
cubic

cubic

cubic.dev

Categories

AI Code Review Supported

Categories

AI Code Review Supported
AI Tools Supported

Integrations

Alibaba Cloud Supported
Anthropic Supported
C Supported
C++ Supported
DeepSeek Supported
Git Supported
GitHub Not Supported
GitLab Not Supported
Go Supported
Java Supported
Kotlin Supported
Model Context Protocol (MCP) Supported
OpenAI Supported
Python Supported
Rust Supported
SQL Supported
Slack Not Supported
Solidity Supported
TypeScript Supported
Z.ai Supported

Integrations

Alibaba Cloud Not Supported
Anthropic Not Supported
C Not Supported
C++ Not Supported
DeepSeek Not Supported
Git Not Supported
GitHub Supported
GitLab Supported
Go Not Supported
Java Not Supported
Kotlin Not Supported
Model Context Protocol (MCP) Not Supported
OpenAI Not Supported
Python Not Supported
Rust Not Supported
SQL Not Supported
Slack Supported
Solidity Not Supported
TypeScript Not Supported
Z.ai Not Supported
Claim Open Code Review and update features and information
Claim Open Code Review and update features and information
Claim What The Diff and update features and information
Claim What The Diff and update features and information