What is Cubic?
Cubic is listed under AI Code Review, in the Code & Development category on Flocci AI Tools. Paid plans only; there is no free plan.. It is paid, with no free tier, and it lives at cubic.dev.
Paid — no free plan
Paid plans only; there is no free plan. Need it free right now? Try CodeRabbit →
What Cubic does
- Paid plans only; there is no free plan.
- Runs thousands of background agents nightly to scan the whole codebase, not just diffs
- Learns team standards from senior devs' past review comments
Cubic — straight answers
Is Cubic free?
No. Paid plans only; there is no free plan. If you need it free right now, CodeRabbit does the same job for free. Flocci keeps paid tools out of its free catalog: they appear only in search results when you choose to see them, labelled and paired with a free alternative.
Can I use Cubic in a browser, or is there an app?
Cubic works in a normal browser tab with no install. It is available on the web and inside another product.
What can Cubic do?
Cubic does 3 things the catalog singles out: Paid plans only; there is no free plan.; runs thousands of background agents nightly to scan the whole codebase, not just diffs; learns team standards from senior devs' past review comments.
What is the best free alternative to Cubic?
CodeRabbit is the best free alternative: it does the same job and you can start without paying. PR-Agent, Greptile and Sourcery also start free. The full list is on the alternatives page.
See the full list →Cubic alternatives
Compare all alternatives →CodeRabbit
AI Code Review
- Agentic AI reviews on PRs and CLI with automated one-click fix suggestions
- Multi-repo analysis, SAST/linter integration, and MCP connections
- Usage-based Slack review agent priced per agent-minute
Greptile
AI Code Review
- Free Starter tier with unlimited repositories for individual developers
- Credit-based review pricing (1 credit = 1 standard review)
- Deep codebase-context reviews (TREX) beyond diff-only analysis
Graphite Diamond
AI Code Review
- AI reviewer built into Graphite's stacked-PR workflow, not a bolt-on bot
- Trained on merge-queue and review-history signal specific to fast-moving teams
- Pairs with Graphite's PR stacking/merge-queue tooling for high-velocity teams
Qodo
AI Code Review
- Context-aware agentic review across IDE, PR, CLI and Git workflows in one platform
- Credit-pooled team pricing instead of rigid per-seat licensing
- Originated as CodiumAI test-generation tool, now spans review + test generation
- Open-source AI reviewer that describes, reviews and suggests improvements on pull requests
- Runs as a GitHub Action, CLI or self-hosted app with your own LLM key
- Supports GitHub, GitLab, Bitbucket and Azure DevOps
- AI pull request reviews for GitHub and GitLab with summaries, bug findings and one-click fixes
- Free for open-source projects
- Does not keep code after review or train on it