Users question AA Index v5 ranking that puts GPT-6.1 Terra above Gemini 4 Argon

Haleemah @HaleeeemahhOriginally posted 2026.10.28

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AA index v5 new benchmarks is here opus 5.5 still #1 agree with other models from #2 - #4 it’s only suprising how gpt 6.1 terra is above fable 5.1 and gemini 4 argon Like how ???

This post quotes another post: “Artificial Analysis Intelligence Index v5: Claude Opus 5.5 leads, GPT-6 Astra second”