Perch vs GitLab Duo Code Review Flow pricing

4 managed-model reviews per GitLab Credit; on-demand credits are $1 each. Self-hosted models allow 5/credit.

What does the review bill depend on?

4 managed-model reviews per GitLab Credit; on-demand credits are $1 each. Self-hosted models allow 5/credit. Managed-model on-demand rate: 25¢/review before included or committed credits. This can be cheaper than Perch's mid-sized example. Perch adds local, separately selectable behavior checks. GitLab Duo Code Review Flow price source.

Illustrative USD workload: 100 mid-sized PRs per month, reviewed once each, before tax. Subscription floors and usage estimates measure different coverage.
Developers	Perch	GitLab Duo Code Review Flow
3	About $50/month estimated usage	$25.00/month illustrative review usage
10	About $50/month estimated usage	$25.00/month illustrative review usage

Perch uses the rounded estimate of about 50¢ per mid-sized PR, approximately 150 methods read at the captured September–October 2026 density of 34 questions per method. At 10¢ per 1,000 fresh checks the unrounded example is 51¢ per PR. Scope, cache hits and repeated reviews change usage. A vendor subscription floor excludes any additional charges and does not guarantee that every review is included. Credit packs, diff kilobytes and reviewed files cannot be converted into PR totals without their usage assumptions. Perch estimate inputs.

Compare the bill for your workflow.

4 managed-model reviews per GitLab Credit; on-demand credits are $1 each. Self-hosted models allow 5/credit.

Estimate a monthly review workload

DevelopersMid-sized pull requests / month

$50.00Perch estimated usage / month

See quoted planGitLab Duo Code Review Flow review usage estimate / month

Managed-model on-demand rate: 25¢/review before included or committed credits. This can be cheaper than Perch's mid-sized example. Perch adds local, separately selectable behavior checks. Perch uses about 50¢ per mid-sized PR: approximately 150 methods read at the September–October 2026 measured density of 34 questions per method. At 10¢/1,000 fresh checks the unrounded example is 51¢. This calculator uses the rounded 50¢ estimate and excludes the initial $5 free usage credit. Fresh check counts, scope and cache hits change the bill. These are billing scenarios, not equivalent-coverage benchmarks.

Price sources

Reviewed 2026-10-14. Published by Perch. Prices and allowances can change.

Perch vs GitLab Duo Code Review Flow: commands, rules and source handling