Claude Opus 5.5 tops Artificial Analysis at 58; four new models add 11 Pareto frontier points
ArtificialAnlys · x · 2026-09-24
Artificial Analysis reports the Intelligence Index vs Cost per Task Pareto frontier shifted this week with MiMo-V2.6-Pro, Claude Opus 5.5, GPT-6 Luna, and GPT-6 Sol, adding eleven new frontier points across reasoning efforts (five from GPT-6 Luna, four from Opus 5.5, one each from MiMo-V2.6-Pro and GPT-6 Sol).
Key numbers:
- GPT-6 Luna (max): 37 at $0.068/task
- MiMo-V2.6-Pro: 46 at $0.13/task
- GPT-6 Sol (max): 48 at $1.06/task
- Claude Opus 5.5 (max with fallback): 58 at $5.98/task — now the highest-scoring model
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