Fable 5.2 登顶 Agent Arena，Gemini 4 Hydrogen 提速
原标题：This Week in the Arena: Fable 5.2 takes #1, and Gemini 4 Hydrogen brings the speed.
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Arena.ai 周报显示，Anthropic 的 Claude Fable 5.2 在 Agent Arena 以 7.8k 真实会话、净提升 30.5% 登顶；Google DeepMind 的 Gemini 4 Hydrogen 以典型单步 7.3 秒成为前十最快模型。同期 Meta 最小模型 Muse Ember 首次进入 WebDev 代码竞技场，Thinky Machines 的 Inkling 2 Small 以开源权重成为美国第一开源模型，百度 ERNIE 5.5 Flash Preview 以 1M 上下文逼近开源第二。
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Arena.ai (@arena) · 2026-11-13 20
This Week in the Arena: Fable 5.2 takes #1, and Gemini 4 Hydrogen brings the speed.
- Claude Fable 5.2 (Max) by @AnthropicAI takes #1 in Agent Arena with +30.5% net improvement across 7.8k real-world sessions as of today.
- Gemini 4 Hydrogen (High) by @GoogleDeepMind launched as the fastest model in the Agent Arena top 10, with a typical step of 7.3 seconds.
- Muse Ember (Max) by @AIatMeta, Meta’s smallest model, debuted in Code Arena: WebDev. It’s #37 with 1609 points today, at a $0.03 median cost per task.
- Inkling 2 Small by @thinkymachines is now open weights and the #1 US open model in Code Arena: WebDev at 1647 points.
- MiniMax H3-Image by @MiniMax_AI is the #1 open model in Multi-Image Edit at 1365 (#11 overall), on par with Nano Banana 2 and Nano Banana Pro.
- ERNIE 5.5 Flash Preview by @Baidu_Inc is trending toward #2 open model in Code Arena: WebDev at 1668 points (AutoEval), with a 1M-token context window.
Open weights under Apache 2.0 are coming soon.