Expired60% confidenceFactExact time
Both OpenAI and Anthropic have launched Prompt Cache functionality that can reuse KV Cache, manifesting for callers as a token cost discount (typically 50%–90%)
2
Sources
60%
Confidence
Medium-term (~90 days)
Relevance
7/10/2026
First Seen
Valid until: 10/8/2026(expired)
Sources
GPT-5.6 Revealed: What a 54% Token Efficiency Boost in Agentic Coding Actually Means
hackernewshackernews7/9/2026
Related Claims
UnverifiedOpenAI launched the Prompt Caching feature in 2024; when the prompt prefix is completely identical and exceeds the 1,024-token threshold, the KV Cache is reused, and the cached portion is typically billed at 25% of the original price or even lower.76% similarUnverifiedBoth Anthropic and OpenAI have introduced discount policies related to prompt caching.74% similarUnverifiedThe price discount for Cursor calling OpenAI models is approximately in the 20%–30% range, not the 80%–95% subsidy enjoyed by subscription users.73% similarVerifiedOpenAI Prompt Caching can reduce the cost of repeated prefixes to 10%–25% of the original price.72% similar
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