Arena 宣布 Anthropic 的 Claude Fable 5.2 已上线 Agent Arena，用户可前往实测，官方评分即将公布。
Claude Fable 5.2 by @AnthropicAI is now in the Arena. Head to Agent Arena to test it out, scores coming soon!
In Agent Arena, we measure models on millions of real-world, long-horizon agentic tasks from a global community of users. Models can access web search, filesystem, and terminal tools to complete complex workflows. The leaderboard measures model performance on outcomes relative to the average model using a causal tracing methodology.
Fable 5.2 is also available in Code Arena: WebDev, Text, Vision, Search and Document.
在 X 查看被引用的帖子Introducing Claude Fable 5.2 and Claude Mythos 5.2, designed to tackle the most daunting technical challenges.
They’re capable collaborators on ambitious projects in many fields, and show improvements in areas like coding, reasoning, and vision.
来源：Arena.ai · x.com
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