Arena 宣布 Xiaomi MiMo-V2.6-Pro 和 MiMo-V2.6-Flash 登陆 Agent Arena。Pro 在 8.1K+ 真实智能体会话中净提升 +3.17%，列开源模型第5，较 MiMo-V2.5-Pro（第13，-7.23%）提升9个名次；其 Confirmed Success 得分 +7.35%，列开源模型第2。
Arena 官方给出 MiMo-V2.6 两款模型在真实智能体会话中的排名、净提升和成本数据，可据此比较其实际表现与性价比。
MiMo-V2.6-Pro and MiMo-V2.6-Flash by @XiaomiMiMo have landed in Agent Arena!
MiMo-V2.6-Pro ranks #5 among open-source models with +3.17% net improvement across 8.1K+ real-world agentic sessions. This release is a +10.4 percentage-point lift and a 9-spot improvement from MiMo-V2.5-Pro at #13 with -7.23%!
Its strongest signal is Confirmed Success (explicit user feedback that the task worked) where it scored +7.35% and ranks #2 among open-source models!
MiMo-V2.6-Flash landed #9 among open models with -0.57% net improvement across 13K+ real-world agentic sessions.
At a $0.04 median cost per task (56% lower than MiMo-V2.6-Pro), it also landed on the Agent Arena Pareto frontier! See its placement below.
Congrats to the @XiaomiMiMo team on the release!
Introducing Xiaomi MiMo-V2.6 — Pro & Flash. Frontier intelligence, all the modalities, built in public. 🔹 Two omnimodal models, advancing through scaled reinforcement learning 🔹 Pro performs on par with Claude Opus 5 and GPT-5.6 Sol across most agent benchmarks 🔹 Pro scores 46 on the Artificial Analysis Intelligence Index — the highest among open-source models 🔹 Stronger coding, computer use, 3D reasoning and creative capabilities 🔹 Open model weights, technical report, RL environments and training code Blog：https://mimo.xiaomi.com/mimo-v2-6在 X 查看被引用的帖子
来源：Arena.ai · x.com