Topic

System prompt deletion

Latest viewpoints

Deleted 80% of system prompt because Opus 5 is more intelligent.

We deleted 80% of Claude Code's system prompt because Opus 5 is more intelligent and doesn't need corrections.

Boris Cherny System prompt deletion Source at 3:38

Ablation shows model is smarter without prompts, but product prompts help usage.

We use ablation to evaluate prompts, finding the model is slightly more intelligent without prompts, but product prompts help usage.

Boris Cherny System prompt deletion Source at 4:32

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Jensen Huang

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