Boris Cherny on Claude Code and Opus 5 Capabilities
July 27, 2026
Claude Code creator Boris Cherny discusses architectural shifts following the Opus 5 launch, including why the tool deleted 80% of its system prompt and strategies for managing product overhang. The session covers prompt injection mitigation and the transition from prompt engineering to handling complex agentic workflows.
HOW THIS AFFECTS YOU
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builderYou can learn why reducing system prompt complexity is necessary for high-capability models.
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founderThis highlights the need to build products that account for rapidly accelerating underlying model capabilities.