CodeRabbit vs Swimm: Which Should You Choose in 2026?
Choosing between CodeRabbit and Swimm comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
CodeRabbit
AI code review
Best for you if:
- • You want the higher-rated option (9.1/10 vs 8.6/10)
- • You want to try before committing
- • AI-powered code review tool that automatically analyzes pull requests on GitHub and GitLab
- • Most-installed AI app on GitHub with over 13 million PRs processed across 2 million+ repositories
Swimm
Accelerate modernization by automatically reverse engineering applications and extracting business rules from legacy code.
Best for you if:
- • Automatically reverse engineers legacy mainframe code using AI-powered static analysis.
- • Extracts business logic, maps system architecture, and documents dependencies for modernization.
| At a Glance | ||
|---|---|---|
Price | Free + Paid | Paid |
Best For | Code Review | Code Review |
Rating | 91/100 | 86/100 |
| Feature | CodeRabbit | Swimm |
|---|---|---|
| Pricing Model | Freemium | Paid |
| Editorial Score | 91 | 86 |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | Code ReviewAI Coding | Code ReviewAI Coding |
Understanding the Differences
Both CodeRabbit and Swimm solve similar problems, but they approach them differently.CodeRabbit positions itself as "ai code review" while Swimmfocuses on "accelerate modernization by automatically reverse engineering applications and extracting business rules from legacy code.". These differences matter depending on what you're trying to accomplish.
When to Choose CodeRabbit
CodeRabbit makes sense if you're looking for a budget-friendly option with a free tier solution. With a score of 91/100, it's our top pick in this comparison.
When to Choose Swimm
Swimm is worth considering if you need a professional-grade tool.
Who Should Use What?
Bootstrapped or small team?
When every dollar counts, CodeRabbit lets you get started without pulling out your credit card.
We'd pick: CodeRabbit
Growing fast?
Your team doubled last quarter and you need tools that won't break when you add 50 more people. CodeRabbit handles scale better in our testing.
We'd pick: CodeRabbit
Enterprise with complex needs?
You need SSO, compliance certifications, and a support team that picks up the phone. Swimm takes enterprise seriously.
We'd pick: Swimm
Still not sure? Answer these 3 questions
How much can you spend?
Tight budget? Start free with CodeRabbit, upgrade when you're ready.
Do you care what other users think?
Both have similar review counts. Read a few before you commit.
Expert opinion or crowd wisdom?
Our team rated CodeRabbit higher (91/100). But the community has upvoted Swimm more (0 votes). Pick your source of truth.
Key Takeaways
What CodeRabbit Does Better
- Higher overall score (91/100)
- Our recommendation for most use cases
Consider Swimm If
- Its specific features better match your workflow
- You prefer its interface or design approach
The Bottom Line
If we had to pick one, we'd go with CodeRabbit (91/100). But the honest answer is that "better" depends on your situation. CodeRabbit scores higher in our analysis, but Swimm might be the right choice if its specific strengths align with what you need most. Take advantage of free trials to test both before committing.
Frequently Asked Questions
Is CodeRabbit or Swimm better?
Based on our analysis, CodeRabbit scores higher with 91/100. CodeRabbit isfreemium while Swimm is paid. The best choice depends on your specific needs and budget. We recommend testing both with free trials if available.
Can I switch from CodeRabbit to Swimm easily?
Migration difficulty varies. Check if both tools support data export/import in compatible formats. Some tools offer migration assistance or have integration partners who can help with the transition.
Do CodeRabbit and Swimm offer free trials?
Most software in this category offers free trials or free tiers. CodeRabbit is freemium with a free tier.Swimm is paid with potential trial. Visit their websites for current trial offers.