OpenAI 的 GPT-5.6 Sol 在 Agent Arena 上冲到第2，离 Claude Fable 5 更近了。看看具体指标差异，特别是用户满意度的信号。
Agent Arena 基于 7.8K 真实世界的 agent 会话评测，GPT-5.6 Sol 位居第2，相比 GPT-5.5 (xHigh) 净提升 +1.6%，缩小了与领先的 Claude Fable 5 的差距。关键信号“Praise vs Complaint”显示 Claude Fable 5 得分为 +17.3%，高于 GPT-5.6 Sol 的 +10.9%。该排行榜由 Arena.ai 维护，通过数百万个长期 agent 任务测量模型表现，并采用因果追踪方法计算相对于平均模型的结果。
这个排名前面的和体感比较接近
这个排名前面的和体感比较接近 Arena.ai @arena GPT-5.6 Sol by @OpenAI is #2 on the Agent Arena leaderboard, based on 7.8K real-world agentic sessions! It is a notable uplift from GPT-5.5 (xHigh) of +1.6% Net Improvement, narrowing the gap with the frontier Claude Fable 5. The biggest difference comes from ‘Praise vs Complaint’, a signal that captures implicit user satisfaction with an agent’s responses and artifacts. Claude Fable 5 scores +17.3%, compared with +10.9% for GPT-5.6 Sol. See detailed signal-level comparison below. 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. Congrats again to the @OpenAI team! 🔗 View Quoted Tweet 💬 1 🔄 2 ❤️ 8 👀 2647 📊 2 ⚡