By Alex Mercer · Updated
cubic vs Sourcery
cubic reviews every change against your whole codebase, so it catches bugs that span files. Sourcery gives quick line-by-line feedback on the changed files, on GitHub, GitLab, and in the IDE.
cubic vs Sourcery at a glance
| cubic | Sourcery | |
|---|---|---|
| Codebase context | cubicReviews each change against your whole codebase, not just the diff. | SourceryReviews each pull request’s diff file by file, with a limited view of the rest of the repository. |
| Where it runs | cubicGitHub, plus the cubic CLI for your terminal and coding agents. | SourceryGitHub and GitLab, plus IDE extensions for VS Code, JetBrains, Cursor, and Windsurf. |
| Beyond review | cubicOne-click fixes, background agents for harder ones, and scheduled scans of your whole codebase. | SourcerySecurity scans of the default branch for secrets, code, infrastructure, and dependencies, and auto-approval of low-risk pull requests. |
| Pricing | cubicFree for public repositories, with 20 PR reviews a month on the free plan. Paid plans start at $30 per developer a month billed annually, or $40 monthly. | SourcerySourcery pricing |
Used by teams that can’t afford bugs
“I’ve been a dev for 13+ years and I’m still routinely humbled by what cubic catches. We’ve tried other tools but cubic is way better—there’s no comparison.”
- Browser Use85% faster PR mergesAverage time to merge is now about three hours.Read the story →
- Cartography76% faster PR mergesA Linux Foundation project, now merging in about 10.5 hours on average.Read the story →
- Firecrawl70% less time on manual reviewsThe team reviews code 3x faster with cubic.Read the story →
Also used by n8n, Cal.com, Resend, Granola, Legora, Daytona, Tinfoil, and Better Auth. All customer stories
Which is better for your team?
Choose cubic if
- You want bugs caught across the whole codebase, not just the changed lines.
- You want reviews that learn from your senior engineers.
- You want fixes and scheduled codebase scans too.
Choose Sourcery if
- You want quick line-by-line feedback, including on GitLab.
- You want low-risk PRs approved automatically.
Questions and answers
- What is the difference between cubic and Sourcery?
- cubic reviews every change against your whole codebase, so it catches bugs that span files. Sourcery gives quick line-by-line feedback on the changed files, on GitHub, GitLab, and in the IDE.
- Does cubic support GitLab?
- No. cubic reviews pull requests on GitHub. Sourcery also supports GitLab.
- Can cubic scan the whole codebase, like Sourcery?
- Yes. cubic scans your whole codebase for bugs and security issues on a schedule you choose, tells the owners, and can fix what it finds with background agents.
- Can cubic review code before I open a pull request, like Sourcery?
- Yes. The cubic CLI reviews your changes in your terminal or coding agent before you push.
- Can I run cubic and Sourcery on the same repository?
- Yes. Both can review the same pull request, so you can compare them on your own code.
- How do I switch from Sourcery to cubic?
- Install cubic on the same GitHub repositories and let both review your next few pull requests. Once you’ve seen the difference, turn off Sourcery.
- How much does cubic cost compared with Sourcery?
- Free for public repositories, with 20 PR reviews a month on the free plan. Paid plans start at $30 per developer a month billed annually, or $40 monthly. Sourcery publishes its current prices on its own pricing page, linked in the table above.
- Does cubic store or train on my code?
- No. cubic never stores your code or trains AI on it, and it is SOC 2 compliant.
- How do I try cubic?
- Install the cubic GitHub app and pick your repositories. cubic reviews your next pull request. It’s free for public repositories, and the free plan includes 20 PR reviews a month.
Sources
Checked against each source on Sep 26, 2026.