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Claude Opus 5.5 发布：性能对标 Claude Fable 5.1，成本降低 40%

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Why we picked it

Anthropic 发了 Opus 5.5，能力跟 Fable 5.1 差不多但便宜四成，用 AI SDK 的可以直接接上试。

Anthropic 推出 Claude 5.5 系列的首个模型 Claude Opus 5.5。官方称其在多数任务上达到 Claude Fable 5.1 的水平，运行成本比 Opus 5 低 40%。Vercel 的 AI SDK 已支持接入该模型，开发者可以直接在应用中调用。

Original · AI SDK

Use Claude Opus 5.5 with AI SDK Claude @claudeai Introducing Claude Opus 5.5, the first model in our new Claude 5.5 family. It performs at the level of Claude Fable 5.1 for most tasks, and costs 40% less to run than Opus 5. Your browser does not support the video tag. 🔗 View on Twitter 🔗 View Quoted Tweet 💬 1 🔄 1 ❤️ 16 👀 1185 📊 3 ⚡

#Claude#AI SDK#Anthropic#开源模型

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