Claude Fable 5.2 (xHigh) 登顶 Code Arena: WebDev 榜首
Anthropic 又发新模型了，Claude Fable 5.2 在 Code Arena 的 WebDev 评测拿了 1832 分，比自家的 Opus 5.5 和 Google 的 Gemini 4 Carbon 都高。关键是价格还降了 20%，速度更快 30%。平时用 Claude 写代码、做网站的朋友可以直接换新版试试。
Anthropic 发布 Claude Fable 5.2 (xHigh)，在 Code Arena: WebDev 排行榜以 1832 分拿到第一，超过 Claude Opus 5.5 (Max) 的 1818 分、Gemini 4 Carbon (High) 的 1768 分和 GPT-6 Astra (Max) 的 1767 分。
这次更新在速度上比 Fable 5.1 最快提升 30%，价格从每百万 tokens $10/$50 降到 $8/$40，编程、推理和视觉能力均有改进。同期发布的还有 Claude Mythos 5.2，两者定位为处理复杂技术项目的协作模型。
在 WebDev 这类真实场景评测中，Anthropic 把自家上一代 Opus 5.5 (Max) 也压到第二位，同时价格不升反降。对用 Claude 做编程和 Web 开发的开发者来说，新版在分数、速度、成本三个维度同时占优，Agent Arena 的分数还在后续公布中。
Big news: Claude Fable 5.2 (xHigh) by @AnthropicAI has landed #1 in the Code Arena: WebDev with 1832 pts. This update is up to 30% faster than Fable 5.1, and more cost efficient: $8/$40 per M tokens, down from $10/$50. This real-world performance puts it ahead of: - Claude Opus 5.5 (Max) at 1818 - Gemini 4 Carbon (High) at 1768 - GPT-6 Astra (Max) at 1767 Congrats to the @AnthropicAI team on this release! 👏 Stay tuned for Agent Arena scores. Claude @claudeai 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.
This report is categorized under AITOP's "Models" desk, focusing on US frontier AI labs and Silicon Valley technology leaders. Within our cross-regional analytical framework, it directly maps to US-China foundation model benchmarks and commercialization comparison and AI developer toolchains, coding agents, and engineering workflows. Key entities and technical topics under continuous tracking include Claude, Anthropic, Code Arena, 编程助手.
Source attribution: curated from lmarena.ai (@lmarena_ai). Cross-source corroboration: 11 independent sources have covered this development (including 宝玉, kimmonismus, Artificial Analysis), confirming industry-wide signal strength.
