MKA deep dive: top models cluster at 95-97% on basics but split 28-57% on hard tasks

ArtificialAnlys · x · 2026-11-11

Artificial Analysis shares MKA details: on Regression (baseline) rubric criteria the top seven models all sit between 95-97%, while Climb (hard) criteria separate them from 28% to 57%. On one task, Gemini 4 Carbon (high) finished in 76 turns, 1 hour, $8, versus 224 turns, 3 hours, $68 for Claude Fable 5.2 (max) — whose deck scored higher (87% vs 72%); Carbon viewed images 118 times vs Fable's 203. Across six deliverable file types, Fable 5.2 leads PDF/Word among others while DeepSeek V4.1 Flash 1017 leads text files.

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