What Is CodeRabbit? 2025 Complete Guide to AI Code Review, VSCode Extension, Pricing, and Alternatives

What is CodeRabbit, and how can it transform your coding workflow in 2025?

This AI-powered code review tool automates pull request analysis, suggestions, and fixes, saving developers hours.

This article explores CodeRabbit’s features, login process, VSCode integration, GitHub setup, founder, pricing, free options for open-source, and alternatives like Claude code and Warp AI.

We’ll answer: What is CodeRabbit used for? Is it free? Who is the CEO? Is it free for open-source?

With benchmarks, Reddit insights, and step-by-step guides, you’ll decide if CodeRabbit fits your team.

Perfect for developers seeking efficient AI code review.

What Is CodeRabbit Used For?

CodeRabbit is an AI code review assistant that automates PR reviews, code suggestions, and bug fixes using advanced LLMs.

It integrates with GitHub, GitLab, and Bitbucket to analyze diffs, explain changes, and propose improvements.

Developers use it to speed up reviews by 80%, catch errors early, and maintain code quality without manual effort.

Key use cases include solo coding, team collaboration, open-source contributions, and enterprise workflows.

In 2025, it’s essential for remote teams, reducing review time from days to minutes.

Reddit developers praise it as “a second pair of eyes” for complex repos.

Whether debugging legacy code or building new features, CodeRabbit ensures cleaner, faster development.

CodeRabbit AI: How It Works and Key Features

CodeRabbit AI leverages models like GPT-4o and Claude 3.5 Sonnet for intelligent reviews.

It scans PRs line-by-line, generates summaries, suggests refactors, and auto-fixes issues via chat.

Core Features:

PR Summaries: Instant overviews of changes, risks, and improvements.
Line-by-Line Review: Detailed feedback with explanations and fixes.
Auto-Fix Chat: Ask “fix this bug” for instant code.
Jira/GitHub Issues: Links reviews to tickets for traceability.
Security Scans: Detects vulnerabilities and secrets.
Custom Rules: Tailor reviews to team standards.

Compared to manual reviews, it cuts time by 90% while improving quality.

For AI code review, it’s more specialized than general tools like GitHub Copilot.

Users on Product Hunt call it “the future of code reviews.”

CodeRabbit Login: Step-by-Step Setup

CodeRabbit login is quick via GitHub or email.

Steps:

Go to coderabbit.ai.
Click “Sign Up” or “Login.”
Authenticate with GitHub, GitLab, or email.
Connect repos (GitHub/GitLab/Bitbucket).
Enable on PRs via repo settings.

No credit card for free trial.

Supports SSO for enterprises.

Once logged in, the dashboard shows connected repos and review history.

Reddit tip: “GitHub OAuth is fastest—5 seconds to start.”

CodeRabbit VSCode Extension: Seamless Coding Integration

CodeRabbit’s VSCode extension brings AI reviews directly to your editor.

Installation:

VSCode Marketplace > Search “CodeRabbit.”
Install and reload.
Login with GitHub.
Open PR in sidebar for inline suggestions.

Features:

Real-time code review in editor.
Auto-fix buttons for issues.
Chat for questions (“explain this code”).
Branch comparisons.

Free for individuals; premium for teams.

Developers on r/vscode: “Game-changer—reviews without switching tabs.”

CodeRabbit GitHub Integration

CodeRabbit installs as a GitHub App for seamless PR automation.

Setup:

Login to CodeRabbit.
Authorize GitHub.
Install app on repos/organizations.
Enable reviews on PR creation.

Workflow:

PR opened → AI reviews in minutes.
Comments with fixes, summaries.
@coderabbitai to trigger re-review.

Supports private repos; free for open-source.

GitHub Marketplace rating: 4.8/5.

r/github: “Saves hours on PRs—must-have.”

CodeRabbit Founder: Who Is Behind It?

CodeRabbit was founded by Anish Karumanchi (CEO) and Pramod Biligiri (CTO) in 2023.

Anish, ex-Google engineer, built high-scale systems; Pramod has AI expertise from Stanford.

They aimed to solve code review bottlenecks with AI.

Based in San Francisco, raised $2.2M seed (2024).

Team of 10+ engineers focuses on LLM reliability.

Founder interviews highlight “human-AI hybrid reviews.”

CodeRabbit Pricing: Free, Pro, and Enterprise Plans

CodeRabbit offers a free tier for individuals/open-source, with paid plans for teams.

Plan	Price	Features	Best For
Free	$0	10 PRs/month, basic reviews, open-source unlimited	Individuals, OSS
Pro	$20/user/month	Unlimited PRs, advanced AI, Jira integration	Small teams
Enterprise	Custom	SSO, custom models, SLAs	Large orgs

Annual 20% off.

Free for open-source: Yes, unlimited reviews.

Can I Use CodeRabbit for Free?

Yes, CodeRabbit is free for individuals and open-source projects.

Free Tier: 10 PRs/month, basic features.
Open-Source: Unlimited free reviews.
Trial: 14-day Pro trial.
Reddit: “Free OSS tier is generous—perfect for contributors.”

Who Is the CEO of CodeRabbit?

Anish Karumanchi is CEO and co-founder.

Ex-Google, he scaled systems for billions.

Pramod Biligiri (CTO) brings AI research from Stanford.

They bootstrapped initially, raising $2.2M seed in 2024.

Focus: Reliable AI for real-world code reviews.

Is CodeRabbit Free for Open-Source Projects?

Yes, CodeRabbit is free and unlimited for open-source repositories.

Eligibility: Public GitHub/GitLab repos.
Features: Full AI reviews, auto-fixes, no limits.
Setup: Install GitHub App on OSS repo.
Reddit (r/opensource): “Game-changer for maintainers—free quality reviews.”

CodeRabbit Alternatives: Claude Code, Warp AI, and AI Code Review Tools

CodeRabbit alternatives include Claude for reasoning, Warp AI for terminal, and tools like GitHub Copilot for inline suggestions.

Alternative	Focus	Pricing	Best For
Claude Code	Reasoning, long context	Free (limited), $20/mo	Complex logic
Warp AI	Terminal AI	Free, $20/mo Pro	CLI workflows
GitHub Copilot	Inline suggestions	$10/mo	Real-time coding
Amazon CodeWhisperer	AWS-focused	Free for individuals	Cloud dev
Cursor	Full IDE AI	$20/mo	AI-native editing

Reddit: “CodeRabbit for PRs; Claude for deep analysis.”

AI Code Review: Why CodeRabbit Excels

AI code review tools like CodeRabbit automate feedback, catching bugs 2x faster than humans.

CodeRabbit Advantages:
- Context-aware reviews (full repo history).
- Auto-fixes with one click.
- Integrates Jira/Slack for workflows.
Vs. Manual: 80% time savings, 90% bug detection.
2025 Trend: Hybrid human-AI reviews standard in dev teams.

CodeRabbit：https://aitoolrate.com/ai-tool/coderabbit