7 Open-Source AI Code Review Tools Compared for 2026
There are plenty of open-source AI code review tools today, and at first glance, they all seem to do more or less the same thing. But they don’t. Some are pretty simple and handle the basics inside CI. Others go further by pulling context from the codebase, applying team-specific rules, and giving you more control over the model and where the review runs. Once you start comparing them properly,…
Seven open-source AI code review tools were evaluated based on seven factors: license, maintenance, Git platform support, deployment model, model support, context, team-specific rules, and cost per pull request (PR). No single tool is universally the best choice; instead, the guide aims to help teams understand when each option makes sense and what specific aspects to examine before making a decision.
The tools compared were Kodus, PR-Agent, Shippie, Gito, ai-code-review, Open Code Review, and ChatGPT-CodeReview. Each tool has its strengths and weaknesses. For example, Kodus provides centralized configuration across different Git platforms and allows teams to configure the model used for review. It also supports team-specific review rules and a memory feature for storing context from previous reviews. However, Kodus has a commercial license for its core features, although there is a free EE version.
PR-Agent, on the other hand, is an open-source tool that can run locally or in the cloud and supports a variety of Git platforms, including GitHub, GitLab, Bitbucket, Azure DevOps, and Gitea. It allows teams to use various models, including those from OpenAI, Anthropic, and other providers. It also includes a built-in feature for applying team-specific rules.
Shippie is another open-source tool that integrates with GitHub and GitLab. It supports multiple AI model providers, including Anthropic, OpenAI, and OpenRouter. Shippie offers a straightforward way to set up AI code reviews as part of GitHub Actions or GitLab CI workflows.
Gito is a newer tool that focuses on GitHub and GitLab integration. It supports various AI model providers and offers a container image that can be used in CI workflows. Gito also allows for custom plugins to be added for additional functionality.
ai-code-review is a lightweight tool that can be integrated into GitLab, GitHub, and Forgejo using container images in the CI workflow. It supports various AI model providers and can be configured to use various models for the review process.
Open Code Review is an open-source tool that supports multiple Git platforms, including GitHub and GitLab. It allows teams to integrate AI code review into their workflow using a simple CLI or as part of GitHub Actions or GitLab CI. The tool supports models that can perform native tool calling, making it versatile for different use cases.
Finally, ChatGPT-CodeReview is an open-source tool that integrates with GitHub using a simple GitHub Action. It allows teams to configure an endpoint for the AI model and supports various models for the review process.
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