OpenAI Boosts GPT-6 Prompt Caching, Input Tokens Now Up to 90% Cheaper
OpenAIDevs · x · 2026-09-23
OpenAI's official developer account announces improved prompt caching in the API for GPT-6, helping agents run faster and cost less. Higher cache-hit rates by default mean more input tokens benefit from cached-input discounts of up to 90%.
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