Graphite
Graphite is the AI code review platform where teams ship higher quality code, faster. The company aims to reimagine the future of software development by creating one integrated platform where humans and agents create, review, and merge code changes collaboratively.
At a Glance
- Software engineering teams
- Fast-moving tech companies
- Developer tools and infrastructure companies
- SaaS companies
- +5 more
AI Tools by Graphite
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Graphite
AI Code Review Platform for GitHub
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Latest News
Graphite raises $20M Series A led by Andreessen Horowitz
Graphite raises $52M Series B and launches AI code review agent Diamond
Anthropic-backed AI-powered code review platform Graphite raises cash
Graphite featured on Forbes Next Billion-Dollar Startups 2025 list
Products & Services
AI-powered code review platform with stacked pull requests, CLI, PR inbox, merge queue, and insights dashboards
Command-line interface for stacking pull requests with simplified git commands
AI code review agent that provides immediate, actionable feedback on pull requests, catches bugs, generates fix suggestions, and resolves CI failures
Unified dashboard to track PRs and review requests with customizable filters and real-time GitHub synchronization
Market Position
Graphite positions itself as the modern alternative to GitHub's native code review, competing with tools like Gerrit and Phabricator by offering stacked PR workflows (inspired by workflows at Meta and Google) combined with AI-powered code review. Key differentiators include: AI code review that provides codebase-aware feedback on par with human reviewers, stack-aware merge queue, unified developer platform combining CLI, PR page, inbox, and merge queue in one workflow, and focus on developer productivity with measurable impact (e.g., Shopify saw 33% increase in PRs shipped, Asana engineers shipped 21% more code within 30 days).
Leadership
Founders
Merrill Lutsky
Studied applied math at Harvard. Founded Posmetrics (YC W13), a customer feedback tool. Worked at Oscar and several startups. Co-founder and CEO of Graphite.
Greg Foster
Studied computer science at Harvard. Interned at Google and Airbnb; worked at Airbnb full-time in developer tooling. Co-founder and CTO of Graphite.
Tomas Reimers
Studied computer science at Harvard. Worked as a software engineer at Meta (Facebook). Co-founder and CPO (Chief Product Officer) of Graphite.
Executive Team
Merrill Lutsky
Co-founder & CEO
Applied math at Harvard, founded Posmetrics (YC W13), worked at Oscar
Greg Foster
Co-founder & CTO
Computer science at Harvard, engineer at Google and Airbnb
Board of Directors
Founding Story
The three founders (Merrill Lutsky, Greg Foster, and Tomas Reimers) met in January 2020 at Neo Startup Camp, a workspace and retreat held at the Costanoa resort on the California coast. Shortly after, they founded the company as Screenplay with a mission centered on software code quality. They initially started as a mobile QA and release management tool company. After building an internal code review tool and seeing strong organic adoption (40 users when they expected 20), they pivoted in September 2021 to focus exclusively on code review tools, which became Graphite.
Business Model
Revenue Model
Subscription-based SaaS model with tiered pricing (Hobby, Starter, Team, Enterprise). Free tier for personal projects and limited AI features. Paid tiers unlock team features, unlimited AI reviews, and enterprise capabilities. Also offers standalone product purchases (Diamond/Graphite Agent was initially available separately).
Pricing Tiers
Personal account repos support, Inbox and in-app notifications, CLI for stacked PRs, MCP, VSCode extension, Limited access to Graphite Agent, Limited AI Reviews
Everything in Hobby tier, All GitHub Organization repos supported, Slack notifications, Team insights
Everything in Starter tier, Unlimited access to Graphite Agent, Unlimited AI Reviews, AI Review customizations, Automations, Merge Queue
Everything in Team tier, Advanced Merge Queue settings, Custom analytics, ACLs, SAML, Audit log (SIEM), GHES support, Premium support and SLAs, Custom MSA, Custom payments, Private uploads
Target Markets
- Software engineering teams
- Fast-moving tech companies
- Developer tools and infrastructure companies
- SaaS companies
- High-growth startups
- Enterprise software teams
- Accelerating code review cycles
- Increasing developer productivity
- Reducing context switching and waiting time
- Managing complex branch workflows
- Eliminating merge conflicts
- Optimizing CI/CD workflows
- Shopify
- Snowflake
- Figma
- Perplexity