Pareto frontier is live in Agent Arena! Dive into model performance on real-world agentic tasks, compared to the median cost per task. The c…

Pareto frontier is live in Agent Arena! Dive into model performance on real-world agentic tasks, compared to the median cost per task. The current models on the Pareto frontier for Agent Arena are: - Claude Opus 5 (High) by @AnthropicAI (+12.34%/ 1.78) - Kimi K3 (Max) by @Kimi_Moonshot (+10.53%/ 0.62) - GPT 5.5 (High) by @OpenAI (+7.75%/ 0.44) - GPT 5.5 by @OpenAI (+6.40%/ 0.28) - Grok 4.5 by @SpaceXAI (+6.08%/ 0.22) - GLM 5.2 (Max) by @Zai_org (+6.06%/ 0.18) - GPT 5.6 Luna (xHigh) by @OpenAI (+4.25%/ 0.04) - Mimo V2.5 Pro by @XiaomiMiMo (-2.22%/ 0.03) Check it out for yourself at the link below. Additional recent model releases will be landing on the Agent Arena leaderboard very soon. Stay tuned. https://x.com/i/article/2089454679130578944

Source: Kimi/Moonshot (X) | 2026-08-19