Head of Claude Code at Anthropic
Boris Cherny
Boris Cherny is the creator and head of Claude Code at Anthropic. His work focuses on AI coding tools, developer workflows, and software engineering.
About Boris Cherny
Boris Cherny is the creator of Claude Code and leads the product at Anthropic. Claude Code is an AI coding tool used in software development, including work on existing codebases and modernization projects.
He presents technical sessions about Claude Code's development and its use in engineering workflows. His personal writing also covers JavaScript, TypeScript, frontend engineering, and the practical work of building software.
Mentioned in our coverage
47 articles name Boris Cherny, excluding author credits.
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- Claude Code Mods: Anthropic Opens a Community Extension Layer →
Boris Cherny of Anthropic's Claude Code team announced on September 14, 2026 that "Claude Mods are landing now," pointing to GitHub issue anthropics/claude-code#91870 as the coordination thread. explainx.ai breaks down what mods actually are, how they differ from skills, MCP servers, hooks, and subagents, and what the first community-built mods — a playable Tetris game, a breathing-exercise focus tool, and a CI status panel — reveal about where this is headed.
- Mustafa Suleyman's "Humanist AI" Code of Conduct: The 10 Rules for MAI Models →
Mustafa Suleyman posted Microsoft AI's "Code of Conduct for Humanist AI" on September 14, 2026, open for public comment for six weeks. It rejects model welfare and AI rights outright, bans "neuralese" reasoning humans can't read, and requires every MAI model to be interruptible, correctable, and shut-down-able before it ships. Here's what each of the 10 points actually commits Microsoft to.
- Claude Code Desktop Flexible Panes + Persistent /diff (Sept 2026) →
Claude Code desktop can pop any pane into its own window, and /diff is now a persistent, scrollable, clickable review surface that updates as Claude edits — built for parallel sessions and multi-monitor review.
- Boris Cherny Benchmarks GPT-6 Astra's Prompt Injection Resistance →
On September 8, 2026, Anthropic's Boris Cherny posted a chart ranking 15 models by prompt-injection attack success rate. GPT-6 Astra improved sharply over prior OpenAI models but still trails current Claude models. The numbers sparked a bigger debate — should a safety researcher publicly grade competitors by name?