Fable 5.1 Tops AI Index at 66, Sets New SOTA

Fable 5.1 scored 66 on the Artificial Analysis Intelligence Index, beating Opus 5's 63 to top the leaderboard, and also ranked first on the FrontierSWE v2 coding benchmark with 0.57.

2026-09-02 ~ 2026-09-02 · 4 related posts

• Fable 5.1 benchmarks released — scaling01 · 2026-09-02
• Fable 5.1 Tops FrontierSWE v2 Coding Benchmark — aryaman2020 · 2026-09-02
• Fable 5.1 takes 1st on Artificial Analysis with a score of 66 — Anxious-Yoghurt-9207 · 2026-09-02
• Fable 5.1 Scores 66, Beats Previous SOTA by 3 Points — inductionheads · 2026-09-02