AI Code ReviewfreeNew

PR-Agent

Open-source AI reviewer that describes, reviews and suggests improvements on pull requests

Visit PR-Agent

What PR-Agent does

  • Open-source AI reviewer that describes, reviews and suggests improvements on pull requests
  • Runs as a GitHub Action, CLI or self-hosted app with your own LLM key
  • Supports GitHub, GitLab, Bitbucket and Azure DevOps

PR-Agent — straight answers

What is PR-Agent?

PR-Agent is listed under AI Code Review, in the Code & Development category on Flocci AI Tools. Open-source AI reviewer that describes, reviews and suggests improvements on pull requests. It is free, with no paid plan attached, and it lives at github.com.

Is PR-Agent free?

PR-Agent is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 399 entries on Flocci AI Tools with no upgrade path built in.

What can PR-Agent do?

PR-Agent does 3 things the catalog singles out: Open-source ai reviewer that describes, reviews and suggests improvements on pull requests; runs as a github action, cli or self-hosted app with your own llm key; supports github, gitlab, bitbucket and azure devops.

What is the best free alternative to PR-Agent?

CodeRabbit is the closest free alternative: it sits in the same AI Code Review sub-category and is free tier + paid plans. Greptile and Sourcery also start free. The full list is on the alternatives page.

See the full list →

PR-Agent alternatives

Compare all alternatives →

CodeRabbit

AI Code Review
freemium
  • Agentic AI reviews on PRs and CLI with automated one-click fix suggestions
  • Multi-repo analysis, SAST/linter integration, and MCP connections
  • Usage-based Slack review agent priced per agent-minute
Visit

Greptile

AI Code Review
freemium
  • Free Starter tier with unlimited repositories for individual developers
  • Credit-based review pricing (1 credit = 1 standard review)
  • Deep codebase-context reviews (TREX) beyond diff-only analysis
Visit

Graphite Diamond

AI Code Review
  • AI reviewer built into Graphite's stacked-PR workflow, not a bolt-on bot
  • Trained on merge-queue and review-history signal specific to fast-moving teams
  • Pairs with Graphite's PR stacking/merge-queue tooling for high-velocity teams
Visit

Qodo

AI Code Review
freemiumLeaving soon
  • Context-aware agentic review across IDE, PR, CLI and Git workflows in one platform
  • Credit-pooled team pricing instead of rigid per-seat licensing
  • Originated as CodiumAI test-generation tool, now spans review + test generation
Visit

Cubic

AI Code Review
freemiumLeaving soon
  • Free Starter tier (20 PR reviews/month) plus fully free usage for open-source projects
  • Runs thousands of background agents nightly to scan the whole codebase, not just diffs
  • Learns team standards from senior devs' past review comments
Visit

Sourcery

AI Code Review
freemiumNew
  • AI pull request reviews for GitHub and GitLab with summaries, bug findings and one-click fixes
  • Free for open-source projects
  • Does not keep code after review or train on it
Visit

Head-to-head comparisons

PR-Agent vs CodeRabbitPR-Agent vs GreptilePR-Agent vs Graphite DiamondPR-Agent vs QodoPR-Agent vs CubicPR-Agent vs Sourcery