Muse Wonder cuts hallucination rate to 23%, but knowledge remains a weak spot
ArtificialAnlys · x · 2026-10-13
Artificial Analysis shared knowledge and hallucination data for Meta's new models: Muse Wonder Full and Wonder score 30 and 25 on AA-Omniscience, flat vs. Muse Spark 1.3 and well below Claude Opus 5.5 (46) and GPT-6 Astra (43). However, hallucination rates are very low: Wonder Full (max) cut its rate from 33% to 23%, the second-lowest among models scoring 45+ on the Intelligence Index, behind only Gemini 4 Argon (high, 15%); Wonder (max) is third at 27%.
Related event: Meta Unveils Muse Wonder, Its Most Capable Agentic Frontier Model(80 posts)→
More from Models
- Nace AI's Drex 2.0: a 35B decision-only model with 3B active params beats Jev on Decision Index — techNmak · 2026-10-13
- Musk says xAI's Digital Optimus beats half of Diablo's campaign by watching the screen — RebeccaBellan · 2026-10-13
- Meta's Alexandr Wang confirms Muse Code quota bug, promises usage resets — alexandr_wang · 2026-10-13
- Muse Spark subscribers hit quota limits within minutes of launch — MatthewBerman · 2026-10-13
- Mollick: Muse Wonder impresses, but Meta's thinking model trails the Big Three — emollick · 2026-10-13
- Early User: Meta's New Muse Model Beats Rivals in Text and Agentic Tasks — intellectronica · 2026-10-13