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Tag: #prompt-cachingClear tag

Anthropic Deleted 80% of Claude Code's System Prompt. The Evals Didn't Move.

'We removed over 80% of Claude Code's system prompt' — and the evals didn't move. The popular takeaway ('write shorter prompts') is wrong: what got deleted was constraints, not information. A usable dividing line, plus the API-layer mechanics the official post left out and the two real disagreements from 343 HN comments.

prompt-engineeringclaude-code+5

ai-tutorialsJul 27, 202613 min

314

Claude Prompt Caching Guide: Reduce Repetition, Cost, and Latency

How to use Claude prompt caching to reuse static context, reduce repeated input costs, and keep long prompts faster and easier to manage.

claudeapi+2

ai-tutorialsMar 29, 20263 min

797