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Seat-based tools
Products like CodeRabbit or Bugbot. Useful, but priced per person — and often limited when volume spikes.
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Fast AI Code Reviews
Install the GitHub App. Pacecar reviews new PRs in about 30 seconds — automatically, on every open and update.
Install on GitHub
Free to install. You only pay when reviews run.
Example review
Why Pacecar
Most teams still do not review every PR the same way.
Seat-based tools get expensive as more people push code. Ad-hoc ChatGPT reviews are inconsistent. Skipping review does not scale either. Pacecar runs on the org so every PR gets the same pass.
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One-off AI reviews
Engineers paste diffs into Max, Codex, or ChatGPT. Results vary by person, and it burns coding budget.
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No automated review
You wait on humans or merge without a second pass. Drafts stall. Risk goes up with throughput.
With Pacecar
Install on the GitHub organization. Every PR — including drafts — gets a review in about 30 seconds, and that review updates when the branch changes.
If only a few engineers open PRs, seats can be fine. If lots of people ship — or volume is high — per-review is usually cheaper.
How it works
Install once. Reviews follow your PRs.
No change to your GitHub workflow. Pacecar attaches to pull requests you already open.
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Install the GitHub App
One install on the organization. Anyone with org access can use Pacecar — no per-user setup.
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Reviews start automatically
When a PR opens or updates — including drafts — Pacecar posts a review comment on the thread.
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Same comment, kept current
On each push, Pacecar updates that comment in place so the review tracks the latest diff.
Product
What you get on every pull request
Org-wide by default
Install once. Coverage follows the GitHub org, not individual licenses or opt-in toggles.
A fixed review checklist
Security, intent, scope, logic, reliability, and contracts on every PR — same structure, short notes.
Fast enough for drafts
Reviews land in about 30 seconds, so feedback shows up while the PR is still moving.
Your code stays yours
We never train models on your code. Reviews use zero-data-retention inference — Security & privacy.
High-throughput teams
When more people ship code, review has to scale with the PR volume — not the headcount.
Engineering orgs now have PMs, support, and founders opening PRs alongside engineers, often with agent-assisted changes. Seat pricing charges every author. Pacecar prices the review itself.
Pricing
Per review, not per seat
If product, support, or leadership can open a PR, seat tools bill another license. Pacecar bills when a review runs.
Initial review
$0.20when a PR opens
Checklist review on open, including drafts. Up to 1,000 lines included.
Re-review
$0.08on each update
Comment updates on push. Same 1,000-line include.
Over 1,000 lines changed (additions + deletions): +$0.30 for that review. No seats.
Example · 10 people shipping
250 PRs / month
Ten people opening PRs (engineers plus PM, support, or leadership). Roughly 60 PRs a week. One open review and two updates each, under the 1,000-line include.
Seat-based tool
$240/mo
10 × $24 / seat
You pay for each person who can open a PR, even if they ship rarely. High weeks still hit rate limits and file overages.
Pacecar
$90/mo
250 × $0.20 + 500 × $0.08
Cost follows PR volume. Adding authors does not add seats.
About 2.7× less at this volume (~$150 / month).
Seat comparison uses CodeRabbit Essentials annual list
Cover every PR without buying another seat.
Install Pacecar on your GitHub organization. Reviews land in about 30 seconds on new and updated PRs.
Install on GitHub
Free to install. You only pay when reviews run.