CodeRabbit vs Semgrep

Summary

CodeRabbit vs Semgrep (Code Review & Security). Agent test scores: CodeRabbit 8.1/10, Semgrep 8.1/10. They tie on overall score in our tests. Pricing: CodeRabbit — Essentials $30/dev/mo ($24 annual); Team $60/dev/mo ($48 annual); Advanced $90/dev/mo ($72 annual); Enterprise custom; Semgrep — Teams $30/contributor/mo (Code or Supply Chain); Secrets $15.

Every fact on this page comes from our tool records and test logs. Last updated:

Key facts

CodeRabbit

VibeToolRank score
8.1/10
Last tested
2026-10-16
Runs
1 (single run)
Outcome score
7.5/10
Edition tested
CodeRabbit GitHub app, 14-day Advanced trial (no card), benchmark R1
Free plan, as measured
Our review ran on a public repo during the automatic 14-day trial; public repos get free reviews, private repos need a paid plan after the trial
Free plan
Yes: free reviews for public/OSS repos; Free plan has PR summaries (+ IDE/CLI reviews); 14-day Advanced trial
Price
Essentials $30/dev/mo ($24 annual); Team $60/dev/mo ($48 annual); Advanced $90/dev/mo ($72 annual); Enterprise custom
Pricing checked
2026-11-05

Semgrep

VibeToolRank score
8.1/10
Last tested
2026-10-16
Runs
3 runs
Outcome score
6/10
Edition tested
Semgrep Community Edition (open-source CLI, registry rules), not Semgrep AppSec Platform
Free plan
Yes: up to 10 contributors
Price
Teams $30/contributor/mo (Code or Supply Chain); Secrets $15
Pricing checked
2026-10-16

Side by side

FieldCodeRabbit Semgrep
What it isCodeRabbitAI code review on pull requests.SemgrepStatic analysis and security scanning.
PricingCodeRabbitEssentials $30/dev/mo ($24 annual); Team $60/dev/mo ($48 annual); Advanced $90/dev/mo ($72 annual); Enterprise customSemgrepTeams $30/contributor/mo (Code or Supply Chain); Secrets $15
Free tierCodeRabbitYes: free reviews for public/OSS repos; Free plan has PR summaries (+ IDE/CLI reviews); 14-day Advanced trialSemgrepYes: up to 10 contributors
Pricing verifiedCodeRabbit2026-11-05Semgrep2026-10-16
Edition testedCodeRabbitCodeRabbit GitHub app, 14-day Advanced trial (no card), benchmark R1SemgrepSemgrep Community Edition (open-source CLI, registry rules), not Semgrep AppSec Platform
Tested onCodeRabbit2026-10-16Semgrep2026-10-16
Outcome scoreCodeRabbit7.5Semgrep6
Speed scoreCodeRabbit9Semgrep10
Cost scoreCodeRabbit9Semgrep10
Developer experience scoreCodeRabbit8Semgrep8
Reliability scoreCodeRabbit8Semgrep10
Overall scoreCodeRabbit8.1Semgrep8.1

What our tests found

CodeRabbit

On our seeded R1 pull request with 6 planted bugs, CodeRabbit posted a summary in 14s and a full review in about 2.5 minutes. It caught the off-by-one, null access, missing await and isEven bugs, flagged the hardcoded API key only as a trivial nitpick, and missed the SQL injection. 0 false positives. Single run.cloud trial

Pros
  • Caught 4 of 6 planted bugs with correct severity and fixes, with 0 false positives
  • Fast: summary in 14 seconds, full review in about 2.5 minutes
  • Free reviews forever on public repositories
  • The trial started with no card
Cons
  • Missed an obvious SQL injection
  • Flagged a hardcoded API key only as a trivial nitpick
  • Needed a manual seat assignment before it reviewed
  • The PR summary was vague
  • Private repos need a paid plan after the 14-day trial (about $90/mo shown for Advanced)

Who it’s for: Teams and open-source maintainers who want fast, low-noise AI reviews on every GitHub pull request.

Semgrep

Seeded-repo scan, 3 runs: 6/10 issues found, 0 false positives. Missed secrets, MD5, yaml.load, DOM XSS.open-source CLI

Pros
  • Zero false positives across 3 scans of our seeded repo
  • Free for up to 10 contributors
  • Scans run locally from the CLI
Cons
  • Found only 6 of 10 seeded issues
  • Missed hardcoded secrets, MD5, yaml.load and DOM XSS in our repo

Who it’s for: Teams that want a fast, low-noise static analysis baseline in CI.

Verdict

Scores use rubric v0.1 from separate runs. Editions and tasks can differ (see Edition tested and What our tests found); some tests were a single run, which caps reliability scores. Overall: CodeRabbit 8.1, Semgrep 8.1. Check the free-tier limits above against your project before choosing.

FAQ

Which is better, CodeRabbit or Semgrep?

In our tests they tied at 8.1/10 overall. Compare the free tiers and pricing to decide.

Is CodeRabbit free?

Yes: free reviews for public/OSS repos; Free plan has PR summaries (+ IDE/CLI reviews); 14-day Advanced trial (pricing checked 2026-11-05).

Is Semgrep free?

Yes: up to 10 contributors (pricing checked 2026-10-16).

How much does CodeRabbit cost compared with Semgrep?

CodeRabbit: Essentials $30/dev/mo ($24 annual); Team $60/dev/mo ($48 annual); Advanced $90/dev/mo ($72 annual); Enterprise custom. Semgrep: Teams $30/contributor/mo (Code or Supply Chain); Secrets $15.

Best Code Review & Security · Best free Code Review & Security · All comparisons · Methodology

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Scores come from our own tests and are never for sale; sponsored placements are always labelled. Some links are affiliate links (currently Railway). Disclosure