Home / Compare / CodeRabbit
Open-source CodeRabbit alternative: J-Bot Review
Updated July 4, 2026 · pricing and features checked against coderabbit.ai on this date
J-Bot Review is an open-source (MIT) alternative to CodeRabbit that runs inside your own GitHub Actions instead of a vendor's cloud. It reviews with a model you already pay for — an OpenCode gateway key or a coding-CLI subscription — posts diff-anchored findings that a second model verifies before they land, and adds $0 per seat at any team size. CodeRabbit is a hosted service at $24–48 per user per month. Which one fits depends on what you're optimizing for.
Side by side
| CodeRabbit (Pro / Pro Plus) | J-Bot Review | |
|---|---|---|
| price | $24 / $48 per user/mo (billed annually); free tier has PR summaries + 14-day Pro Plus trial | $0 per seat, MIT license — you pay only your model provider (or $0 with OpenCode Zen free models / a CLI seat you already pay for) plus CI minutes |
| where it runs | CodeRabbit's cloud, installed as a GitHub App | Your GitHub Actions runner, as a container action |
| code path | Your code is processed by their service and the models they operate | Read-only checkout on your runner; the diff goes only to the model you configure, on your own key |
| model choice | Managed by the vendor | 30+ backends: OpenCode gateways (Claude, OpenAI, Gemini, DeepSeek…) or CLI seats (Codex, Cursor, Devin, Cline, Kilo, Command Code, Grok Build, Qoder); switch with one repo variable |
| setup | Fastest: install the GitHub App, no CI config | One workflow file + one repo secret |
| review volume | Per-developer review rate caps on paid tiers; usage add-ons available | No J-Bot cap — bounded by your model plan/quota and CI |
| config files | .coderabbit.yaml | Reads .coderabbit.yaml, AGENTS.md, REVIEW.md, greptile.json, Cursor rules |
| beyond review | Analytics dashboards, reports, Jira/Linear, agentic chat, docstrings, linters/SAST, IDE & CLI reviews | Focused on PR review: verified findings, house-rules pass, live-docs checks (Context7), /jbot re-review command |
| self-host | Enterprise plan (custom pricing) | Default mode — it always runs on your infrastructure; fork/pin/audit freely |
| source | Proprietary | Open source (MIT), on the GitHub Marketplace |
Numbers from coderabbit.ai/pricing, checked 2026-07-04 — verify current pricing there.
When CodeRabbit is the better choice
- You want zero setup and zero operations — install a GitHub App and never think about secrets, workflows, or CI minutes.
- You value the product around the review: analytics dashboards, customizable reports, Jira/Linear integration, agentic chat, IDE reviews.
- You want vendor support and a roadmap someone else maintains, with a free tier to try first.
When J-Bot Review is the better choice
- Your code can't go to a third-party reviewer. The review runs on your runner; only the diff reaches the model you chose, on your own account.
- Per-seat pricing doesn't fit. $0 per seat at any team size — the whole team is covered by one workflow file, and cost scales with usage you already pay for.
- You want to pick the model — route reviews to Claude, GPT, Gemini, DeepSeek, or reuse the Codex/Cursor/Cline seat you already have; swap anytime with a repo variable.
- You want to audit your reviewer. MIT-licensed action you can read, pin, and fork.
J-Bot Review reads your existing .coderabbit.yaml, so your tuned house rules keep working. Add one workflow file and one secret, run both reviewers side by side on a few PRs, and keep whichever posts the findings you trust.
FAQ
Is J-Bot Review really free if CodeRabbit costs $24–48 per seat?
The action itself is MIT-licensed and adds no per-seat or per-review charge at any team size. You pay for the model you bring — which can be $0 with OpenCode Zen free models or a coding-CLI seat you already pay for (Codex via ChatGPT Plus/Pro, Cursor, Devin, Cline, Kilo, Command Code, Grok Build, Qoder) — plus normal CI minutes. CodeRabbit's pricing is per seat: Pro $24/user/mo and Pro Plus $48/user/mo billed annually, as of July 2026.
Can I keep my .coderabbit.yaml if I switch?
Yes. J-Bot Review discovers .coderabbit.yaml along with AGENTS.md, REVIEW.md, greptile.json, and Cursor rules, and reviews against them — so the house rules you tuned for CodeRabbit keep working without a rewrite.
When is CodeRabbit the better choice?
If you want a zero-setup hosted product with analytics dashboards and reports, IDE reviews, Jira and Linear integrations, agentic chat, and vendor support — and you are comfortable with your code being processed by their cloud — CodeRabbit is a polished managed service. J-Bot Review is the fit when you want the reviewer in your own CI, on your own keys, at $0 per seat, with full control over the model.