模型

Anthropic 发布 Claude Fable 5.2(Max),登顶 Agent Arena

精选理由

Anthropic 的新模型 Fable 5.2 在 Agent Arena 拿了第一,净改进 30.4%,比第二名 Opus 5.5 高一大截,API 价格还降了 20%。写代码和跑智能体的开发者可以关注,成本党也可以对比下 Gemini 4 Carbon。

Anthropic 发布 Claude Fable 5.2(Max),在 Agent Arena 榜单上以 +30.4% 的净改进登顶第一,约为第二名 Claude Opus 5.5(+19.5%)的 1.6 倍。评测基于全球社区贡献的 4700 个真实智能体会话,该模型同时在 Code、Chat、Work 三个分类均列第一。

正文

相比上一代 Fable 5.1(Max),排名从第 5 升至第 1,净改进从 +14.8% 提升至 +30.4%,单任务中位成本从 $7.7 降到 $7.3。细分信号上,用户满意度相关指标提升最大:Praise vs. Complaint 达 +73%(第二名仅 +41%),Steerability +33%,Confirmed Success +22%。API 定价从每百万输入/输出 tokens $10/$50 降至 $8/$40,降幅 20%。

横向对比上,Gemini 4 Carbon(High)以 +17.0% 净改进列第三但单任务成本仅 $1.5,GPT-6-Astra(Max)以 +14.5% 列第六、成本 $6.0/任务。与 Fable 5.1 相比,Code 从第 6 升至第 1(+19.8%),Work 从第 4 升至第 1(+15.8%),Chat 从第 6 升至第 1(+12.0%)。

原文 · lmarena.ai

Big news: Claude Fable 5.2 (Max) by @AnthropicAI takes #1 in Agent Arena with an unprecedented lead: +30.4% net improvement, about 1.6x the #2 model Opus-5.5, across 4.7k real-world agentic sessions from our global community. It's also #1 in Code, Chat and Work. A major leap over Claude Fable 5.1 (Max) - Rank: #5 → #1 , Net improvement: +14.8% → +30.4% - Median cost per task: $7.7 → $7.3 (6% lower). The API pricing $10/$50 → $8/$40 per million input/output tokens (20% lower) vs. The Frontiers - #1 Claude Fable 5.1 (Max): +30.4% | $7.3/task - #2 Claude Opus 5.5 (Max):+19.5%) | $5.5/task - #3 Gemini 4 Carbon (High):+17.0%) | $1.5/task - #6 GPT-6-Astra (Max): +14.5% | $6.0/task Breaking down performance across signals: Fable 5.2 improves over 5.1 across all four reported signals, with particularly large gains in user satisfaction and steerability. - #1 Praise vs. Complaint , +73%, biggest jump vs +41% the next model. - #1 Steerability: +33% - #1 Confirmed Success: +22% - #3 Bash Reliability: +14% #1 across all major categories - #1 Code: +34% - #1 Work: +31% - #1 Chat: +27% - Versus Fable 5.1: Code #6 → #1 (+19.8 %), Work #4 → #1 (+15.8 %), Chat #6 → #1 (+12.0%). Huge congrats to the @AnthropicAI team on this incredible release! 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.

产业坐标与信源核验

本条情报归属 AITOP「模型」核心栏目,重点聚焦北美前沿实验室与硅谷科技巨头。在跨区域产业观察坐标中,该动态直接关联「中美大模型技术代差与商业化对照」「AI 开发者工具链、Coding Agent 与工程化实践」研究主线,反映出当前技术演进与商业落地的最新风向。涉及核心实体与技术议题包括:Claude Fable 5.2、Anthropic、Agent Arena、智能体,读者可通过下方标签进入对应专题页查阅历史脉络与关联对比。

信源核验说明:本文原始线索采编自「lmarena.ai」(@lmarena_ai),经 AITOP 多维评分管线结构化提炼。

Anthropic 发布 Claude Fable 5.2(Max),登顶 Agent Arena|AI热报