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English(EN) Stop Paying for the Same Tokens Twice: A Practical Guide to Prompt Caching

Anthropic的Claude Opus 5增加了提示缓存,成本降低90%

Anthropic为其Claude Opus 5模型引入了提示缓存功能,旨在显著降低成本并提高重复对话输入的响应时间。通过向API请求添加简单的`cache_control`参数,开发人员可以使模型存储和重用先前的提示片段。此功能可带来可观的节省,在初始一次性创建费用后,缓存Token的成本将降低约90%,这对于涉及长对话历史或重复对话历史的应用程序尤其有利。 AI

影响 通过智能重用对话上下文,降低了AI应用的运营成本并提高了延迟。

排序理由 该项目描述了一个现有模型的新功能,该功能会影响开发者的成本和性能。

在 dev.to — LLM tag 阅读 →

AI 生成摘要 · Google Gemini · 来自 1 个来源。 我们如何撰写摘要 →

Anthropic的Claude Opus 5增加了提示缓存,成本降低90%

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Signal score
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Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Tool
该项目描述了一个现有模型的新功能,该功能会影响开发者的成本和性能。
Source corroboration
Single-source cluster
Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
Topics
product, infra
Editorial topic classification. Feeds into how the story surfaces on /topic/<slug> hub pages and into the per-entity coverage mix.
AI-industry relevance
High
Clearly on-topic for AI-industry coverage.
Story freshness
22 days old
Aged out of breaking-news scoring windows; ranking reflects the durable signal from the full source set.

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报道来源 [1]

  1. dev.to — LLM tag TIER_1 English(EN) · Mukul S ·

    停止为相同的 Token 付费两次:提示缓存的实用指南

    <p>You've built a chatbot. Every turn, you re-send the whole conversation — the 8,000-token system prompt, the uploaded PDF, the 15 messages of history — just so the model can answer "and what about Mars?"<br /> The model re-reads all of it. Every. Single. Time. You pay full pric…