Claude Code Reviewer Alternative
Choose from 500+ models to optimize every review for cost and depth. Up to 20x cheaper than Claude Code Review with frontier models. Real-world data from open-source PRs shows what you actually pay.
Trusted by 5M+ developers worldwide
Anthropic's Claude Code Review costs $15–25 per review. Kilo Code Reviewer with frontier models costs $0.73–1.34 per review—up to 20x cheaper. Switch to budget models and pay as little as $0.05.
REAL-WORLD DATA
What AI code reviews actually cost
We ran Kilo Code Reviewer on real Hono framework PRs with two models at opposite ends of the pricing spectrum
| Small PR (338 lines, 9 files) | Large PR (598 lines, 5 files) | |||
|---|---|---|---|---|
| Claude Opus 4.6 | Kimi K2.5 | Claude Opus 4.6 | Kimi K2.5 | |
| Cost per review | $0.73 | $0.07 | $1.34 | $0.05 |
| Input tokens | 618,853 | 359,556 | 1,184,324 | 219,886 |
| Output tokens | 6,142 | 5,374 | 6,847 | 3,921 |
| Issues found | 2 | 3 | 1 | 0 |
| Cost per issue | $0.37 | $0.02 | $1.34 | N/A |
Tested on real commits from Hono (v4.12.x). Balanced review style, all focus areas enabled.
Estimated monthly cost for a 10-person team (~660 PRs/month)
Mix models, cut costs, miss nothing
Use a budget model like Kimi K2.5 on everyday feature branches and a frontier model like Claude Opus 4.6 for merges to main and releases. Budget models catch surface-level issues for pennies; frontier models read surrounding files and find the deep bugs. Or use Kilo Auto or a free model for zero-cost unlimited reviews.
At $0.05–$1.34 per review, one caught bug pays for months of reviews.
Code Reviewer is now FREE
Use Code Reviewer for free with Kilo Auto or select a free model. Get unlimited AI-powered code reviews at no cost. No credit card required.
“I'm genuinely surprised by the Kilo Code Reviewer. It was the only code reviewer that identified a security flaw in my project. I usually have two code reviewers, Copilot and Gemini. The Kilo Reviewer completed its review before both of them and discovered an injection vulnerability!”
Key benefits
See how Kilo Code Reviewer works
You open a pull request
Push your code and open a PR as usual. Kilo Code Reviewer automatically detects new pull requests.
AI analyzes your code
The AI reviews your changes, checking for bugs, security issues, performance problems, and style violations based on your settings.
Get actionable feedback
Receive inline comments on your PR with specific suggestions, explanations, and code examples. Address issues before human review.
EASY SETUP
Get started in minutes
Four simple steps to AI-powered code reviews
Connect GitHub or GitLab
Link your repository in one click. We support GitHub, GitLab, and Bitbucket (coming soon). Your code stays secure with read-only access.
Choose your AI model
Select from state-of-the-art models like Claude 4 Opus for deep analysis, or cost-effective options like Gemini 2.5 Pro for routine reviews. Mix and match based on PR complexity.
Set your review style and focus
Choose how thorough your reviews should be (strict, balanced, or lenient) and what to focus on: security, performance, bugs, code style, test coverage, or documentation.
Add custom instructions
Tell the AI about your coding standards, architectural patterns, or specific things to watch for. It learns your team's preferences over time.
LOCAL REVIEW
Catch bugs before you commit
Review your code locally in your IDE, then commit with confidence
Review changes locally in your IDE
Before you commit, run a local code review directly in VS Code or JetBrains. Get instant feedback on your uncommitted changes without leaving your editor.
AI catches bugs before you commit
The AI analyzes your uncommitted changes and identifies potential bugs, security vulnerabilities, and code quality issues before they ever reach your repository.
Commit with confidence
Fix issues on the spot and commit knowing your code is clean. No more easy-to-catch bugs in PRs or failed CI pipelines from preventable mistakes.
All-In-One Platform
Kilo is more than code reviews
An all-in-one AI coding platform that works everywhere you code
Trusted by developers at the world's most innovative companies
Frequently Asked Questions
RESOURCES
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Dive deeper into AI-powered code reviews
Documentation
Learn how to set up and configure AI code reviews for your team
State of the Art Code Reviews
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Human-in-the-Loop AI Coding
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Design Systems for AI Agents
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