cubic is an AI-powered code review tool designed specifically for complex codebases. It helps development teams automate code reviews and catch issues faster.

cubic connects directly to GitHub and automatically reviews pull requests when they're opened, identifying bugs and regressions, leaving comments directly in the code.

Is there a free trial?

Yes, cubic offers a free trial so you can test the platform with your codebase before committing.

Backed by

AI code reviews for complex codebases

cubic finds hard-to-find bugs in your pull requests and entire codebase.

Try cubic for free

Get a demo

2 click install

No credit card needed

Used by teams that can't afford bugs

Read story

Read story

Used by teams that can't afford bugs

Read story

Read story

Backed by

AI code reviews for complex codebases

cubic finds hard-to-find bugs in your pull requests and entire codebase.

Try cubic for free

Get a demo

2 click install

No credit card needed

Used by teams that can't afford bugs

Read story

“cubic immediately improved our review process. PRs move faster and quality is up.”

Peer Richelson

Co-founder, Cal.com

“cubic immediately improved our review process. PRs move faster and quality is up.”

Peer Richelson

Co-founder, Cal.com

Instant reviews on your PRs

cubic's AI agents automatically reviews PRs in GitHub using your guidelines and best practices.

Context-aware AI code reviews on PRs

Get inline feedback on every PR in seconds. cubic finds bugs that humans miss.

Context-aware AI code reviews on PRs

Get inline feedback on every PR in seconds. cubic finds bugs that humans miss.

Understand PRs faster with AI summaries

AI PR descriptions that understand changes and highlight impact.

Understand PRs faster with AI summaries

AI PR descriptions that understand changes and highlight impact.

Fix issues in one-click

Commit simple fixes in one click. Click "Fix with cubic" for harder ones.

Fix issues in one-click

Commit simple fixes in one click. Click "Fix with cubic" for harder ones.

Get started for free

Examples of cubic in large OS repos →

Early access

Codebase scans that continuously scan for serious bugs and vulnerabilities

Your codebase is full of bugs and security vulnerabilities. cubic continuosly runs thousands of AI agents for 24h+ to find and fix them.

Find serious bugs and vulnerabilities in your codebase.

1000s of AI agents continuously scan your codebase to find bugs and security issues.

Find serious bugs and vulnerabilities in your codebase.

1000s of AI agents continuously scan your codebase to find bugs and security issues.

AI triage: automatically notify issue owners and create tickets. Fix in one-click.

Background agents fix issues in one-click, and resolve tickets when a fix is merged.

AI triage: automatically notify issue owners and create tickets. Fix in one-click.

Background agents fix issues in one-click, and resolve tickets when a fix is merged.

Repeat on a schedule or before a big release

Run scans on a schedule to catch new issues.

Repeat on a schedule or before a big release

Run scans on a schedule to catch new issues.

Get your free scan

Learn more

Code reviews that learn from you

cubic enforces your rules, patterns, and learns from your team.

Enforce your team's standards in plain English

Define agents in plain English to enforce codebase rules and standards.

Enforce your team's standards in plain English

Define agents in plain English to enforce codebase rules and standards.

Enforce your team's standards in plain English

Define agents in plain English to enforce codebase rules and standards.

Learns from your team

cubic learns from your team’s comments and gets better over time.

Learns from your team

cubic learns from your team’s comments and gets better over time.

Learns from your team

cubic learns from your team’s comments and gets better over time.

Onboards by reading your senior developers' comments

cubic learns from your senior developers' PR comment history to get up to speed.

Connects to your tools

Validates business logic, acceptance criteria, and more from your connected issue tracker.

Connects to your tools

Validates business logic, acceptance criteria, and more from your connected issue tracker.

Connects to your tools

Validates business logic, acceptance criteria, and more from your connected issue tracker.

Get started for free

Learn more

World-class teams use cubic

See how modern software teams use cubic to ship faster.

cubic gets us to a better review more quickly—nit-picks are gone, you can feel the velocity increase.

Marc Littlemore

Engineering Manager, n8n

Read the story →

cubic immediately improved our review process—PRs move faster and quality is up. Reviews are a big bottleneck, and most AI tools only help you write code.

Peer Richelson

Co-founder, Cal.com

We use cubic for Better Auth and it’s been so good. We get a lot of PRs and it helps us merge them much faster.

Bereket Engida

Founder, Better Auth

Read the story →

I've been a dev for 13+ years and I'm still routinely humbled by what cubic catches. We've tried other tools but cubic is way better—there’s no comparison.

Nick Sweeting

Founding engineer, Browser Use

The best engineering teams choose cubic to build faster.
Read their stories

World-class teams use cubic

See how modern software teams use cubic to ship faster.

cubic gets us to a better review more quickly—nit-picks are gone, you can feel the velocity increase.

Marc Littlemore

Engineering Manager, n8n

Read the story →

cubic immediately improved our review process—PRs move faster and quality is up. Reviews are a big bottleneck, and most AI tools only help you write code.

Peer Richelson

Co-founder, Cal.com

We use cubic for Better Auth and it’s been so good. We get a lot of PRs and it helps us merge them much faster.

Bereket Engida

Founder, Better Auth

Read the story →

I've been a dev for 13+ years and I'm still routinely humbled by what cubic catches. We've tried other tools but cubic is way better—there’s no comparison.

Nick Sweeting

Founding engineer, Browser Use

The best engineering teams choose cubic to build faster.
Read their stories

Security and privacy first

AI reviews your code in real time, then wipes everything clean.

Your code remains yours—always

cubic never stores it or trains AI on it.

SOC 2 compliant

Our commitment to maintaining high standards of security.

Get started for free

The first AI‑native code‑review platform

Understand and review complex PRs in cubic.

Watch demo

2-way GitHub sync

Comments and PR created in Github or cubic appear in both places

Intelligent diff ordering

AI groups related changes together and orders them logically. Stop reviewing alphabetically-ordered diffs.

Visualise changes

Visualize high-level changes before diving into code.

Chat with your codebase

Chat and deep-research on your codebase and PR.

Pricing that scales with you

Starter

Free

Start for free

AI code review agent

20 free PR reviews per month

Up to 5 custom agents

Automatic PR descriptions

Custom context

Local CLI

AI wiki

Unlimited wikis

Team

$24

/month billed annually; or $30/monthly  per developer

Start 14 day trial

Everything in the free plan

AI code reviews

Unlimited PR reviews

Up to 5 custom agents

Automatic PR descriptions

Custom context

Jira, Linear, and Asana integrations

Fix with background agents

cubic CLI

AI wiki

Weekly wiki updates

Analytics

Simple analytics

Pro

Custom pricing

Get in touch

Everything in the Team plan

AI code reviews

Faster PR reviews

Faster CLI reviews

Up to 10 custom agents

More background agents runs

Confluence integration

Codebase scans

Weekly scans (10 repos)

Auto-create fix PRs

Slack and email notifications

Codebase scan MCP

AI wiki

Daily wiki updates

AI wiki MCP

Analytics

AI coding usage tracking

Enterprise

Custom pricing

Get in touch

Everything in the Pro plan

Additional custom agents

Premium support

Custom MSA and DPA

Custom payment terms

Export compliance audits

cubic is free for open source teams. Just sign up. Learn more

Frequently asked questions

Your question not answered here? Email us.

How does pricing work?

cubic costs $30 per developer per month for unlimited AI code reviews and full access to the cubic code review platform. You do not have to purchase cubic for every member of your team – you can assign licenses to specific developers.

Do you train AI on my data?

No, we do not. Learn more here: https://docs.cubic.dev/account/privacy-security

What programming languages do you support?

cubic is language-agnostic and supports all popular programming languages, including JavaScript, TypeScript, Python, Go, Ruby, Java, and C#.

Do you have an open source plan?

Yes, cubic is free for public repositories. Just connect cubic to a public repository to get unlimited AI reviews.

How does pricing work?

Do you train AI on my data?

No, we do not. Learn more here: https://docs.cubic.dev/account/privacy-security

What programming languages do you support?

cubic is language-agnostic and supports all popular programming languages, including JavaScript, TypeScript, Python, Go, Ruby, Java, and C#.

Do you have an open source plan?

Yes, cubic is free for public repositories. Just connect cubic to a public repository to get unlimited AI reviews.

Built to make you extraordinarily productive.

Get started for free

Navigation

Homepage

Pricing

Customer stories

Blog

Careers

Product

Learning

Enterprise

Codebase scan

Documentation

AI wiki directory

Changelog

Social Media

GitHub

Terms

Navigation

Homepage

Pricing

Customer stories

Blog

Careers

Product

Learning

Enterprise

Codebase scan

Documentation

AI wiki directory

Changelog

Social Media

GitHub

Terms

Navigation

Homepage

Pricing

Customer stories

Blog

Careers

Product

Learning

Enterprise

Codebase scan

Documentation

AI wiki directory

Changelog

Social Media

GitHub

Terms