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PR-Agent

Open-source AI-powered PR review with slash commands

PR-Agent by Qodo is the most widely adopted open-source AI code review tool with 11,500+ GitHub stars and 207 contributors. It provides automated PR description generation, intelligent line-by-line code review, and actionable improvement suggestions through intuitive slash commands like /describe, /review, and /improve, integrating natively with GitHub Actions, GitLab CI, Bitbucket, and Azure DevOps.

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About PR-Agent

PR-Agent offers mature, production-ready AI code review at zero licensing cost under the Apache 2.0 license. Developers interact with the tool through simple slash commands in PR comments: /describe generates comprehensive PR descriptions, /review performs intelligent code analysis with line-by-line commentary, /improve suggests concrete code improvements, and /ask answers questions about the changes. The tool supports extensive customization via .pr_agent.toml configuration files for team-specific rules and preferences.

The platform integrates natively with all major Git providers including GitHub Actions, GitLab CI, Bitbucket, and Azure DevOps, with no vendor lock-in. Multiple LLM backends are supported including cost-optimized Gemini deployment for teams watching token budgets. The Git-native workflow integration means PR-Agent fits into existing processes without requiring developers to adopt new tools or change their habits.

With 10,700+ stars and 207 contributors on GitHub, PR-Agent has an active community ensuring long-term viability and rapid bug fixes. The tool is part of the broader Qodo ecosystem alongside Qodo Test and Qodo Cover, providing an expansion pathway for teams wanting comprehensive quality assurance. Release activity through March 2026 demonstrates consistent maintenance and feature development.

Pricing & Platform Specs

Pricing Summary

Open-source AI-powered Pull Request assistant (Apache-2.0 license) with free self-hosting ($0 software fee with BYOK OpenAI, Anthropic, Gemini, or Ollama keys) via CLI, GitHub Actions, or Docker. Commercial cloud managed service by Qodo (formerly CodiumAI) offers a Free tier for public repos and small teams, Pro/Team plans ($19-$30/dev/mo or $30/mo base + usage credits) for automated reviews and security analysis, and Enterprise custom tiers ($49+/dev/mo) with on-premise/VPC hosting, SAML SSO, and custom governance rules.

full pricing breakdown →

Supported Platforms

GitHub, GitLab, Bitbucket, Azure DevOps

Explore categories, tags & use cases

Use Cases

Code Review

Alternatives

All PR-Agent alternatives →
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Kodus

Open-source AI code review with hybrid AST-LLM

Kodus is an open-source AI code review platform that combines AST analysis with LLM reasoning to reduce noisy comments. Kody learns team standards, supports GitHub, GitLab, Bitbucket, and Azure DevOps, is model-agnostic across Claude, GPT, Gemini, Llama and OpenAI-compatible endpoints, and offers free/community, $10/dev monthly or $8/dev annual Teams, and Enterprise options.

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CodeRabbit

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AI-powered code review tool that automatically analyzes pull requests and provides line-by-line feedback on code quality, bugs, security vulnerabilities, and best practices. Integrates with GitHub and GitLab as a bot that comments on PRs. Uses LLMs to understand code context and suggest improvements. Learns from your codebase patterns and team preferences. Supports all major programming languages. Reduces review cycle time while catching issues human reviewers might miss.

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Side-by-Side Comparisons

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PR-Agent

CodeRabbit vs PR-Agent — AI Code Review Tools for Pull Request Automation

CodeRabbit and PR-Agent are both AI-powered code review tools that automatically analyze pull requests and provide actionable feedback. CodeRabbit is a commercial SaaS with a free tier for open-source projects, offering line-by-line review comments and security analysis. PR-Agent by CodiumAI (now Qodo) is open-source with 7K+ stars, providing PR description generation, code suggestions, and review automation. Both integrate with GitHub and GitLab.

CodeRabbitPR-Agent
Kodus logo
Kodus
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PR-Agent
vs
CodeRabbit logo
CodeRabbit

Kodus vs PR-Agent vs CodeRabbit — Open-Source AI Code Review Comparison

Open-source AI code review tools give teams full control over model selection, deployment, and costs. Kodus combines AST-based analysis with LLM reasoning and lets teams bring their own API keys for any provider. PR-Agent from Qodo is the original open-source PR reviewer with over 10,000 GitHub stars and self-hosted local LLM support. CodeRabbit provides the most polished managed experience with over two million connected repos and a free tier for open-source.

KodusPR-AgentCodeRabbit

Community experience

Sources & verification

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Verification dates are editorial checks. Routine CMS saves and automatic updatedAt timestamps do not advance them.

FAQ

What is PR-Agent?

PR-Agent by Qodo is the most widely adopted open-source AI code review tool with 11,500+ GitHub stars and 207 contributors. It provides automated PR description generation, intelligent line-by-line code review, and actionable improvement suggestions through intuitive slash commands like /describe, /review, and /improve, integrating natively with GitHub Actions, GitLab CI, Bitbucket, and Azure DevOps.

Is PR-Agent free?

Yes — PR-Agent is open source and free to use. Open-source AI-powered Pull Request assistant (Apache-2.0 license) with free self-hosting ($0 software fee with BYOK OpenAI, Anthropic, Gemini, or Ollama keys) via CLI, GitHub Actions, or Docker. Commercial cloud managed service by Qodo (formerly CodiumAI) offers a Free tier for public repos and small teams, Pro/Team plans ($19-$30/dev/mo or $30/mo base + usage credits) for automated reviews and security analysis, and Enterprise custom tiers ($49+/dev/mo) with on-premise/VPC hosting, SAML SSO, and custom governance rules.

Is PR-Agent open source?

Yes — PR-Agent is open source.

Is PR-Agent still maintained?

Yes — PR-Agent is active. Its listing was last verified on September 6, 2026.

What are the best PR-Agent alternatives?

The first editor-selected PR-Agent alternatives are Kodus, CodeRabbit, Sourcery.

How does PR-Agent score in our review?

The published editorial review lists PR-Agent at 80/100 overall across speed, privacy, and developer experience. Check the review's evidence status and test metadata for its verification level.