cubic
AI code reviews for complex codebases. Used by n8n, Cal.com, and hundreds more.
FreeAI Coding239 impressions#1170 of its week
cubic is an AI-powered code reviewer that automates PR reviews for complex codebases.
- for
- Engineering teams that need faster, higher-quality code reviews.
- pricing
- freemium · free trial
Key features
- Instant PR reviews — Provides inline AI feedback on every pull request within seconds.
- Custom rule enforcement — Allows teams to write plain-English rules that the AI enforces.
- Background bug-fix agents — Runs nightly agents that scan the codebase, create tickets and fix issues with one click.
- AI summaries & descriptions — Generates PR descriptions and highlights impact automatically.
- IDE & GitHub integration — Reviews code directly in GitHub and supported IDEs.
- Toolchain connectors — Pulls context from Linear, JIRA, Notion, Confluence, Slack and email.
- AI wiki — Creates and updates wikis for codebases, with private repo support.
- Analytics & reporting — Provides usage analytics and an API for tracking AI coding activity.
Use cases
- Speed up PR merges by getting AI feedback instantly.
- Detect hard-to-find bugs and security issues across the whole repository.
- Enforce team coding standards without manual checklist reviews.
- Automate nightly scans and auto-create fix pull requests.
- Generate up-to-date documentation wikis from code changes.
cubic pricing
- StarterFree20 free PR reviews per month · Up to 5 custom agents · Automatic PR descriptions · Unlimited AI wikis
- Team$30/month billed annually40k lines reviewed per developer · cubic CLI & Ultrareview · Weekly wiki updates · Simple analytics
- Pro$79/month billed annually80k lines reviewed per developer · Premium support · Nightly codebase scans (3 repos) · Confluence integration
cubic FAQ
What counts as a reviewed line?+
Only the added and deleted lines in the PR diff that cubic actually reviews; generated, vendored, binary, or ignored files do not count.
When does usage reset?+
Reviewed-line usage resets with each billing period.
Do generated or ignored files count toward usage?+
No, those files are excluded from reviewed-line calculations.
What programming languages are supported?+
cubic is language-agnostic and supports all popular languages, including JavaScript, TypeScript, Python, Go, Ruby, Java, and C#.
Is there a free plan for open-source projects?+
Yes, cubic is free for public repositories; just connect the repo to get AI reviews.
Can I try the paid plans before committing?+
Both Team and Pro plans include a 7-day free trial.
Summarized by DevHunt from cubic.dev · Sep 29, 2026. Details may change; check the official site.
