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AnnouncementOpenAI News22 September 2026

Better prompt caching for GPT-6

Why it matters

Cache hit rates improve and drops, so you pay less and can run longer contexts without budget penalties.

What happened

GPT-6 introduces improved caching with higher hit rates, new diagnostics, explicit breakpoints, and latency-cost controls.

From the source

“Learn how GPT-6 improves prompt caching with higher cache hit rates, new diagnostics, explicit breakpoints, and controls that reduce latency and costs.”

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