Claude on Romain Lespinassehttps://www.romainlespinasse.dev/tags/claude/Recent content in Claude on Romain LespinasseHugo -- gohugo.ioen© 2026 Romain LespinasseThu, 14 May 2026 03:00:00 +0200Choosing Between the 5-Minute and 1-Hour Prompt Cache Tiershttps://www.romainlespinasse.dev/posts/choosing-prompt-cache-tier/Thu, 14 May 2026 03:00:00 +0200https://www.romainlespinasse.dev/posts/choosing-prompt-cache-tier/Anthropic’s prompt cache offers two write tiers: 5-minute and 1-hour. The right choice depends on how often you reuse the same cached context — and getting it wrong can cost you more than skipping caching entirely.