Graphite
Category: AI Developer Tools
An AI-powered code review platform that accelerates the development process by automatically detecting bugs and providing actionable feedback. Graphite was founded in 2020. The company is led by Merrill Lutsky. Based in NYC (New York City-based). Team size: 30. Total funding raised: ~$81M. Latest round: Series B, $52.0M, 2025-03, led by Accel. Key investors include Accel, Anthropic’s Anthology Fund, Menlo Ventures, Shopify Ventures, Figma Ventures, Andreessen Horowitz, The General Partnership.
- Founded
- 2020
- Headquarters
- NYC (New York City-based)
- Team size
- 30
- Total funding
- ~$81M
Value proposition
Speeds up code reviews drastically (up to 40x faster), improves code quality, and reduces manual cycle times by leveraging advanced AI models.
Products and solutions
Graphite Agent (AI PR reviews + Chat), Stacked PRs, Merge Queue, PR page/inbox, Dev metrics, Cursor Cloud Agents integration
Unique value
Leverages cutting-edge AI models from Anthropic and OpenAI to deliver rapid, detailed, and actionable code review feedback.
Target customer
Software development teams and technology companies
Industries served
Software development, Technology
Technology advantage
Integrates state-of-the-art language models with deep GitHub integration to shorten pull request feedback loops and boost developer productivity.
How they differentiate
Distinct integration with leading AI models and an innovative stacked changes workflow that significantly speeds up code review cycles with automated, actionable insights.
Main competitors
CodeRabbit, Cursor Bugbot, GitHub Copilot code review
Key partnerships
Anthropic (Anthology Fund), Cursor (acquirer, Cursor Cloud Agents in Graphite)
Notable customers
Shopify, Snowflake, Figma, Ramp, Asana, Perplexity, Robinhood, Semgrep
Major milestones
Pivoted from mobile development tooling to code review, Integrated Anthropic AI, Series B $52M (Mar 2025, Accel) totaling ~$81M, Renamed Diamond + Chat to Graphite Agent (Oct 2025), Definitive agreement to be acquired by Cursor (Dec 19, 2025), product continues independently with Cursor Cloud Agents integration (2026)
Growth metrics
40x faster pull request feedback loop; 96% positive feedback rate on AI-generated comments; tens of thousands of pull requests reviewed weekly
Market positioning
Positioned as a leader in AI-driven code review solutions for modern software development teams
Geographic focus
Global, with a primary focus on technology companies in major markets like the US
About Merrill Lutsky
Merrill Lutsky is a seasoned entrepreneur and software engineer with a strong background in building and scaling technology companies. Prior to co-founding Graphite, he held engineering roles at notable companies like SelfMade, Oscar, and Square, where he gained extensive experience in software development and team leadership. His expertise lies in software development, engineering management, and product strategy. Merrill's leadership at Graphite is marked by a deep understanding of developer workflows and a commitment to improving code review processes. He has successfully led the company through significant funding rounds and has been instrumental in establishing Graphite as a key player in the developer tools space.
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Official website: https://graphite.dev
