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English(EN) Anthropic's cheaper model is not cheaper - its cache is

Anthropic 的 Claude Fable 5.1 降低了长会话的成本，但出现了质量担忧

作者 PulseAugur 编辑部 · [1 个来源] ·

尽管基础价格保持不变，Anthropic 的 Claude Fable 5.1 的定价已显著降低了运行长代理会话用户的成本。对于在代理工作中至关重要的重复提示的缓存读取，现在的定价是之前成本的 25%。一位开发者对超过 22,000 次 API 调用的分析显示，即使处理的 token 数量增加，每提示的成本也大约降低了 31%。然而，一些用户报告称在指令遵循和输出质量方面出现回归，导致他们回退到 Opus 4.8 或 Sonnet 等旧模型。 AI

影响 降低了 AI 代理和长上下文任务的运营成本，但引入了潜在的质量权衡。

排序理由 前沿实验室的模型发布。[lever_c_demoted from frontier_release: ic=1 ai=1.0]

在 dev.to — Anthropic 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 Fable 5.1 降低了长会话的成本，但出现了质量担忧

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前沿实验室的模型发布。[lever_c_demoted from frontier_release: ic=1 ai=1.0]
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报道来源 [1]

  1. dev.to — Anthropic tag TIER_1 English(EN) · Breach Protocol ·

    Anthropic 的廉价模型并非更便宜——是它的缓存

    <p>Claude Fable 5.1's base price did not move. It still bills $10 per million input tokens and $50 per million output, exactly as Fable 5 did. What changed is that cache reads now cost a quarter of what they used to, and for anyone running long agent sessions that single change i…

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