Safe to block a merge on
A failing Breakspec check comes with an example anyone can run, so you can block a merge on it without an argument.
Compare · Checked 12 October 2026
Breakspec vs Claude Code Review
Claude Code Review sends several AI agents over a pull request, checks what they find, and posts it as comments. It’s thorough, and priced that way. It’s also built never to block a merge. Breakspec is built to block one: when an approved rule breaks, the failing example is the evidence.
What Claude Code Review does
- Billed by usage. Anthropic says a review averages $15 to $25 and takes about 20 minutes.
- Its check always finishes as neutral, so it never stops a merge on its own.
- It’s a research preview for Team and Enterprise plans, and not available to organisations with zero data retention.
How Breakspec is different
No cost per review
Rechecking your rules doesn’t use AI, so checking every push costs the same as checking once.
Works with strict data rules
Breakspec runs on your machine and in your CI. AI requests use your own provider key, and you can require zero data retention.
| Claude Code Review | Breakspec | |
|---|---|---|
| How it finds bugs | An AI reads the change | Runs your code on hundreds of examples |
| What you get back | A comment about what might be wrong | An example that breaks your code, which you can run yourself |
| Who decides what “correct” means | The AI, guided by your instructions | You, by approving rules |
| Cost of checking every pull request | $15 to $25 per review on average | No AI cost. Rechecking doesn’t use AI |
| Can it block a merge? | No. Its check is always neutral | Yes, when one of your approved rules breaks |
| After a fix | Reviews the new code again | Reruns the example that failed, and notices if the fix cheats |
What Claude Code Review does better
- It finds kinds of bugs Breakspec doesn’t look for, like race conditions and security issues that span several files.
- It needs no rules, and it also flags bugs that were already there.
Can I use both?
Yes. Run a deep review on the pull requests that need one, and Breakspec on all of them, for the logic you can’t afford to get wrong.
Sources
Checked on 12 October 2026, from Claude Code Review’s own docs and pricing pages. Prices and features change; if something here is out of date, tell us at sales@breakspec.com and we’ll fix it.
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