# CodeRabbit vs Sonar: who uses which

On usedby, 48 companies use CodeRabbit and 53 use Sonar. 1 company uses both, including Nvidia. Counts include every proof level, job-post signals included. Companies named on both have a confirmed or observed line on each side. Latest check 2026-10-07: 101 of 101 public lines checked.

## Side by side

|  | [CodeRabbit](https://www.usedby.ai/tools/coderabbit.md) | [Sonar](https://www.usedby.ai/tools/sonar.md) |
|---|---|---|
| Public customers | 48 | 53 |
| Confirmed | 32 | 6 |
| Observed | 16 | 46 |
| Signals (job posts) | 0 | 1 |
| Top industries of customers | DevTools & Infrastructure (5), Sales Tech & CRM (4), Fintech & Payments (3) | IT Services & System Integration (7), Banking & Mortgages (5), Biotech & Pharma (4) |
| Category | Code Quality & Security | Code Quality & Security |
| Security | SOC 2 Type II, ISO 27001 ([trust.coderabbit.ai](https://trust.coderabbit.ai/), checked 2026-10-07) | — |
| Data processing terms | A data processing agreement is available. ([coderabbit.ai](https://www.coderabbit.ai/legal/dpa), checked 2026-10-07) | — |
| Free trial | Free trial or free plan available. ([coderabbit.ai](https://www.coderabbit.ai/pricing), checked 2026-10-07) | Free trial or free plan available. ([sonarsource.com](https://www.sonarsource.com/plans-and-pricing/), checked 2026-10-07) |
| Integrations | — | GitHub ([sonarsource.com](https://www.sonarsource.com/integrations/github/), checked 2026-10-07) |

## Companies named on both

Confirmed or observed on each side.

| Company |
|---|
| [Nvidia](https://www.usedby.ai/companies/nvidia.md) |

## Published results

Reviewed stories only; usedby did not measure the figures.

- CodeRabbit: [Cresta](https://www.usedby.ai/case-studies/cresta-coderabbit.md): **40%**: “Cresta increased its contracted CodeRabbit seats by 40%, from 150 to 210 Enterprise seats, within four months.” (captured by usedby 2026-10-06)
- CodeRabbit: [Abnormal](https://www.usedby.ai/case-studies/abnormal-ai-coderabbit.md): **100 hours**: “In the last 30 days alone, CodeRabbit has saved an estimated 100 hours of reviewer time” (captured by usedby 2026-10-06)
- Sonar: [DEPT®](https://www.usedby.ai/case-studies/dept-sonar.md): **60%**: “issues are identified 60% faster” (published 2025-12-31)
- Sonar: [Xero](https://www.usedby.ai/case-studies/xero-sonar.md): **3,500 repositories**: “onboard 3,500 repositories” (published 2026-04-10)

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Source: https://www.usedby.ai/compare/coderabbit-vs-sonar · How we check: https://www.usedby.ai/methodology