01
The author is not the reviewer
A strong harness and a model like Astra, Sol, or Fable can still ship bugs. The session that wrote the PR should not be the one that signs off on it.
Fast AI Code Reviews
Install the GitHub App. Reviews in about 30 seconds. Your software factory keeps moving.
Install on GitHub
$20 free to start. No seats — you only pay when reviews run.
Example review
Native GitHub AppOne install for the orgSame pass on draftsFresh review on every pushDoesn't train on your private code
Why Pacecar
The model that wrote the code should not review it.
You may be using a great harness and a frontier model like Astra, Sol, or Fable. That still is not an independent pass. You also want the same checklist on every PR. And review is now the number one thing slowing the software factory, so it has to be fast.
02
Reviews need a checklist
Paste-into-chat reviews wander. Pacecar runs the same pass every time: security, intent, scope, logic, reliability, and contracts. Short notes, same structure.
03
Review is the bottleneck
Writing got cheap. Now the author, the next task, and the deploy all wait on the PR. Pacecar lands in about 30 seconds so the factory isn't sitting idle.
With Pacecar
Install on the GitHub organization. Every PR, including drafts, gets an independent checklist review in about 30 seconds, so the factory keeps moving when the branch changes.
Seat tools get expensive as more people push code. Asking the coding model to review its own work is not independent. Skipping review does not scale either. Start with $20 free.
How it works
Install once. Reviews follow your PRs.
No change to your GitHub workflow. Pacecar attaches to pull requests you already open.
01
Install the GitHub App
One install on the organization. Anyone with org access can use Pacecar — no per-user setup.
02
Reviews start automatically
When a PR opens or updates — including drafts — Pacecar posts a review comment on the thread.
03
New comment each push
On each push, Pacecar posts a fresh review and collapses the previous one so the thread stays clear.
Product
A first pass that keeps up with shipping
Everyone’s PRs, one install
Hang it on the GitHub org and you’re done. No seats. No chasing people to flip a switch. If they can open a PR, it gets reviewed.
Independent of the author
A separate pass from the model that wrote the diff. Self-review from the coding session is not a second set of eyes.
The same six checks, every time
Security, intent, scope, logic, reliability, contracts. Short notes your team can scan in the same shape on every PR. Put house rules in REVIEW.md when you need them.
Findings you’d actually fix
Skip the style lectures and thread spam. Pacecar flags merge risk: bugs, broken contracts, security holes. Fix it yourself or hand it to an agent.
Back before the next commit
About 30 seconds. Fast enough for drafts while you’re still iterating, not a write-up after you’ve moved on.
Private code stays out of training
We don’t train foundation models on your private repos. We do retain reviews to improve the product. We don’t use providers that train on your data. Full story on Security & privacy.
Software factory
Fast review is how a software factory actually runs.
You are already building one: agents write, PRs open, CI runs. Until a review lands, the author is stuck, the next change is queued, and nothing merges. Pacecar is the independent pass that keeps up. About 30 seconds, then the rest of the line can run.
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. New orgs start with $20 free.
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
Get review off the critical path.
Install Pacecar on your GitHub organization. Reviews in about 30 seconds. Your software factory keeps moving.
Install on GitHub
$20 free to start. No seats — you only pay when reviews run.