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 catches hard-to-find bugs in your pull requests.

Try cubic for free

2 click install

No credit card needed

The AI code reviewer for teams that can't afford bugs

Backed by

AI code reviews for complex codebases

cubic catches hard-to-find bugs in your pull requests.

Try cubic for free

2 click install

No credit card needed

The AI code reviewer for teams that can't afford bugs

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

Peer Richelson

Co-founder & CTO, Cal.com

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

Peer Richelson

Co-founder & CTO, Cal.com

Instant reviews on your PRs

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

AI context-aware comments on PRs

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

AI context-aware comments on PRs

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

One-click fixes

Commit simple fixes in one click. Use background agents for harder ones.

One-click fixes

Commit simple fixes in one click. Use background agents for harder ones.

Understand diffs 2x faster

AI PR descriptions that understand changes and highlight impact.

Understand diffs 2x faster

AI PR descriptions that understand changes and highlight impact.

Get started for free

See an example review for n8n →

Code reviews that learn from you

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

Custom rules

Define rules and enforce standards in plain English.

Custom rules

Define rules and enforce standards in plain English.

Learnings & memory

Reply to any cubic review with your feedback. cubic learns it for future PRs.

Learnings & memory

Reply to any cubic review with your feedback. cubic learns it for future PRs.

Integrates with your tools

Validate business logic, acceptance criteria, and more.

Integrates with your tools

Validate business logic, acceptance criteria, and more.

Get started for free

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 & CTO, 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 & CTO, 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

The first AI‑native alternative to GitHub.

Watch demo

2-way GitHub sync

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

Intelligent diff ordering

AI breaks down and groups complex PRs into smaller, easier-to-review chunks.

Visualise changes

Visualize high-level changes before diving into code.

Context‑aware chat

Chat and deep-research on your codebase, at your fingertips.

Simple pricing

Starter

Free

Start for free

AI code review agent

40 free PR reviews per month

Up to 5 custom rules

Automatic PR descriptions

Custom context

Team

$24

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

Start 14 day trial

AI code review agent

Unlimited PR reviews

Up to 5 custom rules

Automatic PR descriptions

Custom context

Analytics dashboard

Integrates with Jira, Linear, and Asana

Fix bugs with background agents

Enterprise

Custom pricing

Get in touch

Everything in the team plan

Additional custom rules

Premium support

Custom MSA and DPA

Custom payment terms

cubic is 100% free for open source teams. 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 repistory 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 repistory to get unlimited AI reviews.

Built to make you extraordinarily productive.

Get started for free