coderabbit-cost-tuning

CodeRabbit Cost Tuning

Overview

Optimize CodeRabbit per-seat licensing costs by right-sizing seat allocation, focusing reviews on high-value repositories, and configuring review scope to minimize unnecessary AI processing. CodeRabbit charges per seat based on active committers who open PRs.

Prerequisites

• CodeRabbit Pro or Enterprise plan
• GitHub/GitLab org admin access
• Access to CodeRabbit dashboard at app.coderabbit.ai

Pricing Model

Plan	Price	Includes
Free	$0	Public repos, limited reviews
Pro	~$15/seat/month	Unlimited reviews, all features
Enterprise	Custom	SSO, dedicated support, SLA

Seat = any developer who opens a PR in a CodeRabbit-enabled repo.

Instructions

Step 1: Audit Seat Utilization

Navigate to CodeRabbit Dashboard > Organization > Seats:

# Example seat audit
seat_audit:
  active_committers_30d: 15    # These cost money
  bot_accounts: 3              # Dependabot, Renovate, CI bots (should NOT consume seats)
  inactive_30d: 7              # Haven't opened a PR in 30 days
  total_seats_billed: 25

  # Savings: Remove bots (3) + inactive (7) = 10 fewer seats
  # At ~$15/seat/month = $150/month savings

Step 2: Set Seat Policy to Active Committers Only

In CodeRabbit Dashboard > Organization > Billing:

• Switch seat policy from "All org members" to "Active committers"
• Define active as "opened a PR in the last 30 days"
• Exclude bot accounts explicitly: dependabot[bot], renovate[bot], github-actions[bot]

Step 3: Focus Reviews on High-Value Repos

Only enable CodeRabbit on repos where AI review adds value:

# Enable CodeRabbit (high value):
- backend-api         → Business logic, security-critical
- payment-service     → PCI compliance, financial data
- infrastructure      → Terraform/IaC, blast radius high
- mobile-app          → Customer-facing, release quality

# Disable CodeRabbit (low value):
- documentation       → Markdown only, low risk
- design-assets       → Binary files, not reviewable
- sandbox             → Experimental, throwaway code
- archived-*          → Read-only repos
- internal-tools      → Low-traffic, single-developer repos

# To disable: GitHub > Installed Apps > CodeRabbit > Repository access
# Switch to "Only select repositories" and remove low-value repos

Step 4: Exclude Low-Value Files from Reviews

# .coderabbit.yaml - Skip files that don't benefit from AI review
reviews:
  path_filters:
    - "!**/*.lock"              # Lock files (no actionable feedback)
    - "!**/package-lock.json"
    - "!**/pnpm-lock.yaml"
    - "!**/*.snap"              # Test snapshots
    - "!**/*.generated.*"       # Generated code
    - "!dist/**"                # Build output
    - "!vendor/**"              # Third-party code
    - "!**/*.min.js"            # Minified files
    - "!**/migrations/*.sql"    # DB migrations (review manually)
    - "!**/*.csv"               # Data files
    - "!**/*.json"              # Config/data files (usually low-value)

  auto_review:
    ignore_title_keywords:
      - "chore: bump"           # Skip dependency update PRs
      - "chore(deps)"
      - "auto-generated"
      - "Bump version"
    drafts: false               # Don't burn credits reviewing drafts

Step 5: Use the Right Review Profile

# More aggressive profile = more comments = more processing
# But the main cost is per-seat, not per-comment
reviews:
  profile: "assertive"   # Recommended default
  # "chill" produces fewer comments but same per-seat cost
  # Choose based on signal-to-noise, not cost optimization

Step 6: Monitor Review Value

Track whether CodeRabbit reviews are being acted on:

set -euo pipefail
ORG="${1:-your-org}"
REPO="${2:-your-repo}"

echo "=== CodeRabbit Review Value Analysis ==="
TOTAL_PRS=0
REVIEWED_PRS=0

for PR_NUM in $(gh api "repos/$ORG/$REPO/pulls?state=closed&per_page=30" --jq '.[].number'); do
  TOTAL_PRS=$((TOTAL_PRS + 1))
  CR_COMMENTS=$(gh api "repos/$ORG/$REPO/pulls/$PR_NUM/comments" \
    --jq '[.[] | select(.user.login=="coderabbitai[bot]")] | length' 2>/dev/null || echo "0")
  if [ "$CR_COMMENTS" -gt 0 ]; then
    REVIEWED_PRS=$((REVIEWED_PRS + 1))
    echo "PR #$PR_NUM: $CR_COMMENTS CodeRabbit comments"
  fi
done

echo ""
echo "Coverage: $REVIEWED_PRS/$TOTAL_PRS PRs received CodeRabbit reviews"
echo "If coverage is low, check: base_branches filter, drafts setting, seat assignment"

Step 7: CLI Credit Management

# CodeRabbit CLI charges per file reviewed (~$0.25/file)
# Tips to reduce CLI costs:

# Review only specific files (not entire repo)
cr review src/api/routes.ts src/middleware/auth.ts

# Use --prompt-only to get review text without interactive mode
cr review --prompt-only

# Set up pre-push hook (not pre-commit) to avoid reviewing WIP code
# See coderabbit-local-dev-loop for hook setup

Output

• Seat audit completed with wasted seats identified
• Repository access scoped to high-value repos only
• Path filters configured to skip low-value files
• Review coverage metrics measured
• CLI usage optimized with targeted file reviews

Error Handling

Issue	Cause	Solution
Seat count higher than expected	Bots counted as seats	Exclude bot accounts in dashboard
Reviews on archived repos	App still installed	Remove CodeRabbit from archived repos
Low review acceptance rate	Reviews too nitpicky	Switch profile to chill
Can't reduce seat count	Active committers across all repos	Disable CodeRabbit on low-value repos first
CLI charges higher than expected	Reviewing all files	Use cr review <specific-files> instead

Resources

• CodeRabbit Pricing
• CodeRabbit Seat Management
• CodeRabbit CLI Pricing

Next Steps

For enterprise seat management and SSO, see coderabbit-enterprise-rbac.