Your AI agent would cost 260% more without prompt caching, article argues
arena · x · 2026-10-31
- OpenAI's Tibo Sottiaux announced 12-hour prompt caching in the API and non-expiring caches in Codex and Work.
- The article estimates agent workloads would cost 260% more without caching, framing it as a hidden AI price war.
- User reactions were mixed: some celebrated long-lived caches, others questioned the pricing implications for heavy agent users.
Related event: Agents Without Caching Cost 260% More as Discount Battle Heats Up(2 posts)→
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