Best AI tools to aI code review on pull requests

Short answer

CodeRabbit ranks #1 for aI code review on pull requests (score 8.6/10). Pricing: From $24/user as listed; free tier: Unverified. Runners-up: Greptile, Graphite.

Top 5, ranked by our published rubric. Sponsorship never affects the order. Last updated 2026-10-13.

1CodeRabbit

AI code reviews

Score 8.6/10 (fit 10.0 · value 5.6 · breadth 8 · availability 10) · how we score

Pricing: Free tier: Unverified · Paid from: From $24/user as listed · source, Pricing last checked: 2026-10-13 · Site checked: 2026-10-13 (live)

Why ranked: Its own site says: “Ship more software, faster, with code you trust.” We placed it 1st of 5 on fit for this task. No free plan confirmed; paid from From $24/user as listed.

2Greptile

AI code review with codebase context

Score 7.9/10 (fit 8.5 · value 5.6 · breadth 8 · availability 10) · how we score

Pricing: Free tier: Unverified · Paid from: From $30/seat as listed · source, Pricing last checked: 2026-10-13 · Site checked: 2026-10-13 (live)

Why ranked: Its own site says: “AI Code Reviews that understand your entire codebase.” We placed it 2nd of 5 on fit for this task. No free plan confirmed; paid from From $30/seat as listed.

3Graphite

Stacked PRs and AI code review

Score 7.1/10 (fit 7.0 · value 6.9 · breadth 6 · availability 10) · how we score

Pricing: Free tier: Unverified · Paid from: From $20/user as listed (billed annually) · source, Pricing last checked: 2026-10-13 · Site checked: 2026-10-13 (live)

Why ranked: Its own site says: “Graphite helps teams on GitHub deliver higher quality software, faster.” We placed it 3rd of 5 on fit for this task. No free plan confirmed; paid from From $20/user as listed (billed annually).

SPONSORED Your tool here: paid placement is shown here, separate from the ranking, and never changes the order. Advertise

4GitHub Copilot

AI pair programmer

Score 7.0/10 (fit 4.0 · value 10.0 · breadth 10 · availability 10) · how we score

Pricing: Free tier: yes · Paid from: Pro $10/mo · source, Pricing last checked: 2026-10-13 · Site checked: 2026-10-13 (live)

Why ranked: Its own site says: “GitHub Copilot works every step of the way, from an open issue to reviewing and merging a pull request.” We placed it 5th of 5 on fit for this task. Free tier; paid from Pro $10/mo.

5Qodo

AI code quality and testing

Score 6.7/10 (fit 5.5 · value 5.6 · breadth 10 · availability 10) · how we score

Pricing: Free tier: no (14-day trial) · Paid from: Usage-based (monthly included credits + overage) · source, Pricing last checked: 2026-10-13 · Site checked: 2026-10-13 (live)

Why ranked: Its own site says: “Qodo is an AI code review tool giving teams deep codebase context to move faster and improve code quality, with 15+ agentic workflows for IDEs, PRs and security.” We placed it 4th of 5 on fit for this task. No free plan confirmed; paid from Usage-based (monthly included credits + overage).

FAQ

What is the best AI tool to aI code review on pull requests?

By TaskRanking's published rubric, CodeRabbit ranks first, followed by Greptile and Graphite.

Is there a free AI tool to aI code review on pull requests?

Yes: GitHub Copilot has a free tier per its own pricing page (checked 2026-10-13).

How are these tools ranked?

Score = 50% fit, 25% value (from vendor pricing pages), 15% breadth, 10% availability. Sponsorship never affects rank.