The Creator of Claude Code on The Hottest Piece of Software in the World | Odd Lots

Boris Cherny, creator and head of Claude Code at Anthropic, discusses the origins and rapid growth of Claude Code, how model improvements (Opus 4, 4.5, 4.6, Fable) drove adoption inflection points, and how 90%+ of Anthropic's own code is now written by Claude Code. He covers prompt injection defenses, sandboxing, alignment work, the shift from one-to-one to thousands of parallel Claude sessions per engineer, enterprise adoption patterns, COBOL migration use cases, and how software engineering roles are evolving into prototypers, builders, maintainers, scalers, and sweepers. He also addresses competitive concerns about open-source models vs. frontier models and the future of programming languages in an AI-driven world.