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@TheRundownAI
The Rundown AI 转述 Claude Opus 5.5 发布：性能提升且成本降低 40%
The Rundown AI 引用 Anthropic 官方帖称，Claude Opus 5.5 是 Claude 5.5 家族首个模型，在多数任务上达到 Claude Fable 5.1 的水平，运行成本比 Opus 5 低 40%。该帖为二手转述，未给出具体基准数据或独立验证。
AI推荐理由 转述 Anthropic 官方发布的 Claude Opus 5.5，给出与 Opus 5、Fable 5.1 的对比及成本下降 40% 的说法，但正文仅为二手转述，未提供基准测试细节或独立验证，且引用的模型命名（Fable 5.1）无法核实。
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正文
Claude Opus 5.5 is here!
Impressive jumps over Opus 5, and also surpasses Fable 5.1 across a variety of areas while costing 40% less
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.](https://video.twimg.com/amplify_video/2102432417352929280/vid/avc1/1920x1080/yilx3O9YWu7w9vaX.mp4?tag=29)
[🔗 View on Twitter](https://x.com/claudeai/status/2102435511222890900/video/1)
[🔗 View Quoted Tweet](https://x.com/claudeai/status/2102435511222890900)