Bito alternative without review seats or line allowances

Catch the fix an agent removes later.

A saved requirement makes a recurring mistake checkable. In this Perch capture from September 20, 2026, the same rule flags a missing guard and passes after the guard is restored.

def refund(order, payment):
    payment.refund(order.total)
    order.status = "refunded"
    return order

def refund(order, payment):
    if order.status == "refunded":
        return order
    payment.refund(order.total)
    order.status = "refunded"
    return order

Source: public order-service checkout.py at the linked commit. The captured standalone file is refund.py. Perch command output and timestamp. This saved-rule demonstration does not measure Bito AI Code Reviews's detection rate.

Perch vs Bito AI Code Reviews: what your team runs.

Perch turns project behavior into focused checks that agents can run before committing. Use these differences to choose the review workflow and billing model your team needs.

Bito alternative without review seats or line allowances

Five Bito Team seats cost a $60 monthly equivalent billed annually before extra lines. Perch's estimate for 100 mid-sized PRs is $50. Add developers without adding a Perch seat charge, and commit semantic requirements alongside the code they constrain.

Review before committing

Bito AI Code Reviews: CLI reviews staged, uncommitted, path and commit changes; IDE support. Bito AI Code Reviews workflow documentation.

Perch reads the current working file with perch check. For a known requirement, select its rule name and method instead of requesting another broad review. A local CLI describes where the command runs; Perch sends relevant source to hosted TypeSafe models for analysis.

How do saved requirements differ?

Bito AI Code Reviews: .bito.yaml guidelines, configuration and file filtering. Bito AI Code Reviews rule documentation.

Perch stores English ensure rules in perch.yaml or .perch/rules/. Project, file and method scopes determine what is checked. Run the named check after an edit and after the repair; a rule finding can fail the command and a CI gate. Perch rules · Working-file checks.

What does the review bill depend on?

Compare Bito AI Code Reviews's billing unit and Perch's usage estimate

Is the CLI open source and offline?

Bito AI Code Reviews: Commercial engine; open deployment components. Bito AI Code Reviews product or license source.

Perch’s CLI is MIT-licensed; hosted model inference is a separate paid service included in its published check rate. It does not run the model offline. Unchanged requests can reuse cached answers for free. Fresh judgments can vary, and a passing requirement check does not prove application correctness. Perch MIT license.

When does Bito AI Code Reviews fit the workflow?

Bito also has CLI and IDE review. Its seat plans include reviewed-line allowances and extra-line charges, so a subscription floor alone does not price a heavy review workload.

Estimate the review bill

Perch and Bito AI Code Reviews: pricing, allowances and workload calculator

Make the agent check its next edit.

npm install -g @lakeday/perch

perch rules add refund-once \
  --where refund.py --each method \
  --ensure "Refunded orders cannot be refunded again."

perch check refund.py::refund --rules refund-once

Use perch scan for repository code at Git HEAD and changed-code CI checks for pull requests. New model judgments can vary. Repeatability comes from cached answers for unchanged requests; a pass does not prove application correctness.