Boris Cherny merges 1,700 pull requests using Claude Code this year
Summary
Boris Cherny, Head of Claude code at Anthropick, has achieved significant milestones this year, merging approximately 1,700 pull requests, adding 400,000 lines of code, and deleting 250,000 lines—all accomplished using Claude Code, with a total usage of 8 billion tokens. Cherny noted that since November 2025, with the introduction of Opus 4.5, all of his coding has been written by Claude Code, highlighting a shift towards mobile-first coding practices supported by advanced AI systems, which is becoming increasingly common in professional software development within leading AI labs.
Analysis
Anthropick: Anthropick is the AI company behind the Claude family of models, focused on developing advanced language models for coding and other tasks. Boris Cherny leads efforts related to Claude code at the organization. His reported full reliance on the tool for professional development underscores its role in internal workflows. Claude Code: Claude Code is Anthropick's AI coding assistant powered by its Claude models, including Opus 4.5. It supports full-cycle development tasks such as writing, reviewing, and managing large volumes of code changes. The tool has enabled complete replacement of traditional coding methods for its primary user in this case. Boris Cherny: Boris Cherny serves as Head of Claude code at Anthropick. He has shifted his entire coding process to rely on Claude Code since late 2025. A significant portion of his work now occurs via mobile devices. AI Coding Tools: AI assistants are increasingly integrated into professional software development at leading AI labs. Workflow Mobility: Developers are adopting mobile-first approaches for coding with support from advanced AI systems.
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