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Muse Wonder

Meta · 2026-10-12

Meta's October 12, 2026 Muse Wonder release is a proprietary multimodal generative model for reasoning, coding and long-running personal and professional agents. It supports text, image, video and audio input with text output, and a 1,048,576-token context through the Meta Model API. It is available through the API and Muse Code; the distinct Muse Wonder Full model is represented separately. Parameter counts are undisclosed.

Benchmark scores

BenchmarkScore
AA-Briefcase v1.1 Elo1659
AA-LCR v1.180.7
AA-Omniscience Index25.5
AA-Omniscience v1.1 Accuracy38.0
AA-Omniscience v1.1 Hallucination Rate20.9
AA-Omniscience v1.1 Index25.1
Agents' Last Exam v1.1 (ALE v1.1)36.9
Agents' Last Exam v1.1 Score66.7
APEX (Mercor)22.1
APEX-Agents 1.177.0
APEX-Agents 1.1 Pass@166.1
APEX-SWE54.6
APEX-v1-extended75.1
Arena Code WebDev — Brand & Marketing1653
Arena Code WebDev — Consumer Product1628
Arena Code WebDev — Content Creation Tools1601
Arena Code WebDev — Data & Analytics1593
Arena Code WebDev — Frontend1657
Arena Code WebDev — Fullstack1674
Arena Code WebDev — Gaming1689
Arena Code WebDev — HTML1684
Arena Code WebDev — React1645
Arena Code WebDev — Reference-Based Design1660
Arena Code WebDev — Simulations1688
Arena Text — Business, Management & Financial Ops (No Style Control)1483
Arena Text — Chinese (No Style Control)1541
Arena Text — Creative Writing (No Style Control)1493
Arena Text — English (No Style Control)1506
Arena Text — Entertainment, Sports & Media (No Style Control)1481
Arena Text — Exclude Ties (No Style Control)1519
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