Sourcery vs Graphite: Features, Pricing and User Reviews 2026
What are Sourcery and Graphite?
Sourcery is an AI coding assistant that reviews your code, catches bugs, and suggests fixes before they cause problems. It works inside your IDE and automatically reviews every pull request on GitHub or GitLab, giving you clear summaries, diagrams, and line by line comments.
Started as a Python refactoring tool, Sourcery has grown into a full platform with continuous security scanning, custom review rules, and an AI chat assistant that understands your code.
Free for public and open source repos, it is trusted by more than 300,000 developers. Whether you are working solo or as part of a large team, Sourcery helps you write safer, cleaner code without slowing down your workflow.
Graphite is a code review and pull request tool built for teams that use GitHub. Instead of pushing one large change at a time, developers can break work into small, connected pull requests called a stack, so each piece is easier to review and merge.
The platform adds an AI reviewer that checks every pull request for bugs, security issues, and style problems, and suggests fixes that can be applied with one click. There is also an AI chat built into the pull request page that can answer questions about the code and help fix failing tests.
Teams also get a merge queue that lands changes in the right order while keeping the main branch stable, along with an inbox, insights, and integrations with Slack and Linear.
Graphite works through a command line tool, a VS Code extension, and a web app, and it stays in sync with GitHub at all times.
Features of Sourcery and Graphite
Automatic pull request reviews on GitHub and GitLab
AI chat assistant inside your IDE
Real-time refactoring suggestions for Python, JavaScript, TypeScript
Daily security scanning for vulnerabilities and secrets
Custom review rules and style guides
Code quality scoring per function
Command line tool with auto-fix
Built-in recipes for diagrams, tests, and docstrings
Free for open source repositories
Works with GitHub, GitLab, and self-hosted setups
Stacked pull requests for faster reviews
CLI and VS Code extension
AI code reviewer with one click fixes
AI chat built into pull requests
Stack aware merge queue
Pull request inbox and notifications
Code Tours guided walkthroughs
Team insights and reports
Slack and Linear integrations
SAML, ACLs, and audit logs on Enterprise
Use Cases of Sourcery and Graphite
Pricing of Sourcery and Graphite
Sourcery offers four plans to fit different needs.
Open Source (Free): Limited security scans for up to 3 repositories, checked every two weeks.
Pro ($12 per seat/month): Adds code review for private repos, line by line reviews, code change summaries, custom review rules, and security scans for up to 10 repositories.
Team ($24 per seat/month): The most popular plan. Includes everything in Pro plus repo analytics, security scans for 200+ repositories, daily scanning, unlimited security issue fixes, 3x review rate limits, and the option to bring your own AI model.
Enterprise (Custom pricing): Includes everything in Team plus self-hosting, priority support, a dedicated customer success manager, and invoice billing.
Whether you're maintaining an open source project or running a large engineering team, Sourcery has a plan that scales with your needs.
Graphite offers four plans to fit teams of different sizes. The Hobby plan is free and gives individuals the core stacking workflow along with limited AI chat and reviews.
The Starter plan costs $25 per user a month, or $20 per user a month billed yearly, and adds support for all GitHub organization repos, Slack notifications, and team insights.
The Team plan, marked as most popular, costs $50 per user a month, or $40 per user a month billed yearly. It removes limits on Graphite Chat and AI reviews, and adds automations, a merge queue, and AI review customization.
The Enterprise plan uses custom pricing and adds advanced security and admin features like SAML, ACLs, audit logs, GHES support, and premium support with SLAs.
All paid plans come with a 20 percent discount when billed annually instead of monthly.
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