# Greptile | Artificialus > For the complete content index, see [llms.txt](https://artificialus.com/llms.txt). Markdown versions of all pages are available by appending `.md` to any URL. - Home - / - Agents - / - Greptile GR # Greptile The AI Code Reviewer Tabnam, Inc. Closed source Since 2023 Visit Website Repository Docs Share X Facebook Reddit Telegram Bluesky Email Greptile is an AI code review platform that uses a swarm of specialized agents to review pull requests with full codebase context. It constructs a graph index of repositories and catches logical bugs, style violations, security risks, and multi-file issues that traditional linters and humans miss. Trusted by 9,000+ teams including Brex, Nvidia, Klaviyo, Retool, and PostHog. ## + Pros - Catches bugs humans and linters routinely miss — multi-file logic issues, security vulnerabilities, edge cases in cross-module interactions - Swarm architecture deploys multiple specialized agents per PR for comprehensive review beyond simple diff checking - TREX test generation catches regressions automatically by writing and running tests for every PR in sandboxed environments - Learns and adapts to the team's coding standards over time by ingesting PR comment history - Self-hosted option for enterprise security requirements with air-gapped deployment, SSO, and audit logs - One-click fix forwarding to Claude Code, Cursor, Codex, and Devin for instant remediation - SOC 2 compliant with enterprise-grade security, SSO, and audit logging ## − Cons - Priced per seat at $30/mo which adds up for larger teams compared to flat-rate alternatives - Review credits system (50 per seat) may require additional $1 per review purchases for high-volume teams - Limited to GitHub and GitLab for now — no Bitbucket, Azure DevOps, or Gerrit support - Learning curve for setting up custom rules and configuring the review agent behavior - Not a code generation or coding assistant tool — review-only by design ## Pricing ### Team $30/seat/mo 50 reviews per seat included, $1 per additional review. Full features with graph indexing and swarm review. ### Enterprise Custom Self-hosted deployment, SSO, SLA, dedicated support, audit logs, air-gapped environments. ### Open Source Free Free for qualified open-source projects. Full feature access including TREX. ### Startup Discounted Significant discounts for pre-Series A startups. Contact sales for pricing. ## Introduction AI coding agents are writing more code than ever, which means there is more code to review than ever. Traditional linters catch syntax. Human reviewers catch logic in their domain. But the gap between them — multi-file bugs, cross-module regressions, subtle security vulnerabilities — is where most production incidents are born. Greptile was built specifically to close that gap. Instead of reviewing a diff in isolation, Greptile constructs a graph index of the entire codebase — mapping files, functions, classes, dependencies, and their relationships. When a PR comes in, a swarm of specialized agents analyzes the change not just for what it touches, but for what it affects. Trusted by engineering teams at Brex, Nvidia, Klaviyo, Retool, PostHog, Scale AI, and 9,000+ other organizations, Greptile has become the default validation layer for teams that ship fast but refuse to compromise on code quality. ## Swarm Agent Architecture Greptile's core technology is its graph-based codebase index. When a repository is connected, Greptile builds a directed graph of every file, function, class, import, and type reference. This graph persists and updates incrementally, so every review has the full context of the current codebase state. When a PR is opened, Greptile deploys a swarm of specialized agents that work in parallel: - Impact Analysis Agent — Traces how the change propagates through the dependency graph, identifying which other modules, services, or tests could be affected. - Logic Bug Agent — Examines control flow, state transitions, and edge cases for logical errors that compilers and linters cannot detect. - Security Agent — Scans for injection vulnerabilities, authentication bypasses, secret exposure, and dependency risks — with awareness of how the change interacts with existing security boundaries. - Style & Standards Agent — Enforces team-specific coding standards, naming conventions, and architectural patterns defined in custom rules or learned from PR history. - Documentation Agent — Flags missing docstrings, outdated comments, and API documentation that the change invalidates. ## TREX: Autonomous Test Generation TREX (Test Runner and EXecutor) is Greptile's most ambitious feature. On every PR, a dedicated agent writes tests for the changed code, runs them in an isolated sandbox, and reports failures — all autonomously. This means regressions are caught before a human reviewer ever sees the PR. TREX is not a static analysis tool. It actually compiles, runs, and validates test outputs in a sandboxed CI environment. If the code changes break existing tests, TREX identifies the regression. If the code lacks coverage for a new edge case, TREX generates a test that exercises it. ## Custom Rules & Learning Greptile offers two complementary mechanisms for adapting reviews to your team's standards: - Custom Rules — Write standards in plain English and point Greptile at repo-specific context files. The rules engine enforces patterns your team actually cares about. - Auto-Learning — Greptile reads your team's PR review comments and learns what types of issues matter. Over time, it adapts its review focus to match your team's priorities. Together, these features ensure that Greptile's reviews become more relevant and more precise the longer you use them. ## Enterprise Features Greptile is designed for organizations with strict security and compliance requirements: - Self-Hosted Deployment — Deploy Greptile in your own AWS environment, including fully air-gapped configurations with no external network access. - SOC 2 Compliance — Independent audits performed; reports available on request. - Enterprise SSO & Audit Logs — SAML/SSO integration and comprehensive audit logging for compliance tracking. ## Integrations Greptile plugs into the modern AI coding ecosystem at multiple points: - MCP Server — Connect Greptile to any AI agent to share comment context and review insights. - Claude Code Plugin — Claude Code automatically reads and resolves Greptile review comments. - Fix Forwarding — One-click send issue context to Claude Code, Cursor, Codex, or Devin for instant remediation. - /greploop — Let any coding agent iterate with Greptile until all issues are resolved. ## Comparison Feature Greptile CodeRabbit Ellipsis Codebase context Graph-based, full repo Diff + file-level Diff-level Test generation TREX — write + run tests No No Code generation Fix forwarding only Fix suggestions @ellipsis-dev comments Self-hosted Yes (AWS, air-gapped) No No Platform GitHub + GitLab + MCP GitHub + GitLab GitHub only Pricing $30/seat/mo $12/seat/mo $20/dev/month ## Who Is Greptile For? Greptile is ideal for: - Engineering teams that ship frequently and need a reliable validation layer on every PR - Enterprise orgs with compliance requirements who need self-hosted code review with SOC 2, SSO, and audit trails - Open-source maintainers who want free, high-quality AI review for their public repositories - AI-assisted development teams using Claude Code, Cursor, or Codex who want an independent validation layer for AI-generated code It is less suited for individual developers, teams that prefer lightweight linter-based approaches, or orgs that need Bitbucket or Azure DevOps support. ## Verdict Greptile has established itself as the leading AI code review platform by doing one thing exceptionally well: understanding codebases at the graph level and catching issues that context-free reviewers miss. The swarm architecture, TREX test generation, and enterprise-grade security make it the most comprehensive option for teams that take code quality seriously. > Bottom line: If your team ships code frequently and wants an AI review layer that actually understands your codebase, Greptile is the gold standard. The price reflects the capability — you get what you pay for. ## Version History 1.0 Jun 1, 2023 Initial public launch — AI code review with full codebase context and graph indexing 2.0 Mar 15, 2024 TREX autonomous test generation, swarm agent architecture, custom rules engine 3.0 Jan 20, 2025 Self-hosted enterprise deployment, MCP server, Claude Code plugin (/greploop), SOC 2 compliance Best for Teams wanting autonomous AI code review on every PR with full codebase context, multi-file awareness, and automated test generation Capability Swarm of parallel AI agents reviewing changes beyond the diff, Graph-based codebase indexing for full context, TREX autonomous test generation for every PR, Learns coding standards from team PR comments over time, Self-hosted enterprise deployment in air-gapped environments Runs on GitHub · GitLab · CLI · MCP · Claude Code · Cursor · Codex · Devin Signature Snippet Copy ``` `A developer opens a pull request modifying a CUDA kernel in an NVIDIA DALI repository. Greptile's agents analyze the change in context of the full codebase graph, detect an unbalanced CUDA release that would wipe the GPU context, and flags the issue before the PR can be merged.` ``` ## More in this Space SO ### Sourcery Closed source AI code review platform for the AI era. Automated code reviews, security scanning, and team analytics across GitHub, GitLab, VS Code, and JetBrains. Used by 300,000+ developers. View profile WT ### What The Diff Closed source AI-powered PR description generator and code review assistant. Automatically writes pull request descriptions, sends stakeholder notifications, creates changelogs, and provides inline code refactoring. View profile BA ### Blackbox AI Closed source Multi-agent AI coding platform with 12+ agents and 24+ models, featuring Chairman LLM for parallel multi-agent evaluation and end-to-end encrypted inference. Ships across six surfaces: CLI, IDE, Cloud, API, Mobile, and Builder. View profile