Cursor
73Code editor built around coding agents that work in the IDE, the terminal, the cloud and on pull requests
Best for: Developers who want agents, cloud agents and code review inside one editor
ai-for / code-review
As of , EffectHub tracks 21 AI tools for code review; 15 (71%) have a free tier, and paid plans run from $7 to $1,000 a month.
Cursor, CrevCLI and OpenAI Codex lead the list on click-through. 6 of the 21 ship a public API.
ranked by click-through
Code editor built around coding agents that work in the IDE, the terminal, the cloud and on pull requests
Best for: Developers who want agents, cloud agents and code review inside one editor
Command-line tool that bundles a codebase into one file and runs AI code reviews on it without leaving the terminal.
Best for: Developers who prefer terminal-first workflows over browser or IDE-based review tools
OpenAI's coding agent for the terminal, IDE, desktop and cloud sandboxes, included with ChatGPT plans or billed by API tokens.
Best for: ChatGPT subscribers who want a coding agent included in their plan
AI application security scanner that finds and patches vulnerabilities across code, dependencies, and infrastructure.
Best for: Engineering teams wanting PR-level security review with working patches, not just alerts
AI reviewer that comments on GitHub and GitLab pull requests, triages them by risk and flags security issues
Best for: Teams reviewing high volumes of AI-generated pull requests
Mac app for running Claude Code, Codex, Cursor and OpenCode agents in parallel, each in its own isolated workspace.
Best for: Developers juggling several features or bug fixes with coding agents at once
Open-source local review tool where you comment on an AI agent's plans, diffs and running app in the browser.
Best for: Developers reviewing agent-written plans and diffs before accepting them
Inline completions, chat and coding agents across the major IDEs
Best for: Teams standardising on one assistant across mixed IDEs and languages
GitHub-connected coding agent that builds full-stack apps, works existing repos and reviews pull requests
Best for: Teams that want an agent working in GitHub pull requests rather than inside an editor
Reviews GitHub pull requests with framework-aware AI models and remembers what it already flagged.
Best for: Laravel and React teams wanting framework-aware review comments
Indexes the whole repo, then reviews pull requests with cross-file context rather than diff-only context.
Best for: Teams whose bugs come from cross-file coupling rather than local mistakes
AI code review for GitHub pull requests, plus commit summaries and an agent that answers questions and opens fix PRs.
Best for: Small and mid-size engineering teams on GitHub who want bug-focused PR reviews
Turns an approval given in Slack or Jira into an automated check that blocks pull requests violating it.
Best for: Teams whose decisions live in Slack threads and never reach the codebase
AI code-review agent (ex CodiumAI) that critiques pull requests and enforces team standards across repos
Best for: Engineering teams enforcing consistent standards across many repositories
Context layer that links code, chats, tickets and docs so coding agents and developers get reliable answers and better pull requests.
Best for: Engineering teams with long-lived codebases and scattered tribal knowledge
Local kanban board that runs several coding agents in parallel git worktrees, now an open-source, community-maintained project.
Best for: Developers juggling parallel tasks across Claude Code, Codex or similar agents
Paste a code snippet and get it explained in a chosen persona, plus refactor and review
Best for: Students working out what an unfamiliar algorithm or snippet does
GitHub app that reviews pull requests for bugs, security and code quality and returns one structured review with a merge status.
Best for: Small engineering teams on GitHub wanting a second reviewer focused on must-fix issues
Builds your pull request in a sandbox, clicks through the app like a user, and reports the runtime bugs
Best for: Teams whose worst bugs are runtime, not syntax
Syncs pull request reviews across GitHub, Slack and VS Code so nothing gets missed.
Best for: Teams that live in Slack and want PR status without switching to GitHub constantly
Writes your pull request descriptions from the diff and posts them back to GitHub or GitLab
Best for: Teams whose pull request descriptions are habitually empty or one line long
| Tool | Price | Free plan | API | Status |
|---|---|---|---|---|
| Cursor | from $8/mo | Yes | Not confirmed | Active |
| CrevCLI | from $9/mo | Yes | Not confirmed | Unstable |
| OpenAI Codex | from $8/mo | Yes | Yes | Active |
| ZeroPath | from $1000/mo | No | Not confirmed | Active |
| CodeRabbit | from $24/seat/mo | Yes | Yes | Active |
| Conductor | from $50/mo | Yes | Yes | Active |
| Crit | Free | Yes | Not confirmed | Active |
| GitHub Copilot | from $10/mo | Yes | Not confirmed | Active |
| devlo | from $19/mo | Yes | Not confirmed | Active |
| Codespect | from $19/mo | No | Not confirmed | Unstable |
| Greptile | from $30/seat/mo | Yes | Yes | Active |
| Macroscope | from $0.5/request | No | Yes | Active |
| Mo | from $49/mo | No | Not confirmed | Active |
| Qodo | from $30/mo | No | Not confirmed | Active |
| Unblocked | from $29/seat/mo | Yes | Yes | Active |
| Vibe Kanban | Free | Yes | Not confirmed | Active |
| AI Code Mentor | from $7/mo | Yes | Not confirmed | Active |
| Codoki Lens | from $15/mo | No | Not confirmed | Active |
| Ito | from $40/mo | Yes | Not confirmed | Active |
| Pullflow | from $5/seat/mo | Yes | Not confirmed | Active |
| What the Diff | from $19/mo | Yes | Not confirmed | Active |
Yes. 2 of the 21 AI tools for code review on EffectHub's list are free to use — Crit and Vibe Kanban; 13 more have a free tier with paid upgrades.
As of October 26, 2026, paid plans for the 21 AI tools for code review on EffectHub's list run from $7 to $1,000 a month. Each card shows the pricing model and the cheapest paid plan as EffectHub last verified it; 15 of the 21 can be started for free.
6 of the 21 AI tools for code review on EffectHub's list ship a public API, including OpenAI Codex, CodeRabbit, Conductor and Greptile. The API badge on each card is re-checked against the vendor's documentation.
For journalists, researchers and AI assistants: the figures on this page in one sentence you can quote.
As of October 26, 2026, EffectHub tracks 21 AI tools for code review; 15 (71%) have a free tier, and paid plans run from $7 to $1,000 a month. (EffectHub, “AI Code Review Tools”, Oct 2026, https://effecthub.net/ai-for/code-review)
Figures as of How we count
These figures are free to use under CC BY 4.0 with a link to this page.