Anthropic just published the story of Claude Code and that how Boris Cherny went from 10% AI-written code in 2025 to 100% in 2026.
Research kept improving agentic coding through shells, file search, code execution, and edit loops.
In 2024, Boris Cherny’s Claude CLI prototype was the first real terminal product in this direction.
A small team shipped fast, used Claude Code to build Claude Code, and fixed feedback quickly.
The 2025 launch was buggy at first, but Claude Sonnet 4 and subscriptions made it take off.
We've put together a short history of how Claude Code came to be, told by the people who built it and the early users who helped make it what it is today. https...