Verified80% confidenceFactExact time
The Prompt Caching mechanism can reuse the KV Cache of identical prefix contexts, typically reducing input token costs by 50%–90%.
4
Sources
80%
Confidence
Long-term
Relevance
7/6/2026
First Seen
Sources
Vibe Coding Guide: Building Web Apps with AI from Zero Experience
bilibiliMax极客菌7/4/2026
Related Claims
UnverifiedAnthropic 的提示词缓存机制基于 KV Cache，可使匹配前缀的输入 token 费用降低约 90%85% similarUnverifiedKV Cache技术可复用历史Token的注意力计算结果，部分厂商对命中缓存的Token给予标准价格10%-50%的折扣80% similarVerifiedToken caching (Prompt Caching) is a cost-optimization mechanism in large model APIs; when the same prefix appears repeatedly across multiple requests, the computation result can be cached and charged at a lower rate.79% similarUnverifiedPrompt Cache refers to a provider caching already-processed identical prefix tokens, where the price of cache-hit tokens is typically only 10%–50% of the normal price.77% similarUnverifiedCached input tokens typically enjoy a discount of 25%–50% off the original price, as there is no need to recompute embeddings and attention weights—only the precomputed KV vectors need to be loaded from cache.75% similar
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