GPT-6.1 climbs Artificial Analysis Intelligence Index across all tiers

GPT-6.1 has appeared on the Artificial Analysis Intelligence Index with improved scores across all reasoning tiers, and GPT-6.1 Sol now ranks on par with GPT-6 Astra and Fable 5.1, showing a notable gain over GPT-6 Sol.

2026-09-30 ~ 2026-09-30 · 2 related posts

• GPT 6.1 hits Artificial Analysis Intelligence Index gains across all effort tiers — Background-Web-6312 · 2026-09-30
• GPT-6.1 Sol shows solid index gains, now neck-and-neck with GPT-6 Astra and Fable 5.1 — haider1 · 2026-09-30