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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
Arena Code WebDev — Brand & Marketing1653
Arena Code WebDev — Consumer Product1628
Arena Code WebDev — Content Creation Tools1601
Arena Code WebDev — Data & Analytics1592
Arena Code WebDev — Frontend1657
Arena Code WebDev — Fullstack1674
Arena Code WebDev — Gaming1690
Arena Code WebDev — HTML1676
Arena Code WebDev — React1647
Arena Code WebDev — Reference-Based Design1664
Arena Code WebDev — Simulations1684
Arena Text — Business, Management & Financial Ops (No Style Control)1483
Arena Text — Chinese (No Style Control)1537
Arena Text — Creative Writing (No Style Control)1491
Arena Text — English (No Style Control)1507
Arena Text — Entertainment, Sports & Media (No Style Control)1482
Arena Text — Exclude Ties (No Style Control)1520
Arena Text — Exclude Ties (Style Controlled)1534
Arena Text — Expert (No Style Control)1513
Arena Text — French (No Style Control)1523
Arena Text — French (Style Controlled)1535
Arena Text — Hard Prompts (No Style Control)1506
Arena Text — Hard Prompts English (No Style Control)1506
Arena Text — Instruction Following (No Style Control)1491
Arena Text — Legal & Government (No Style Control)1505
Arena Text — Life, Physical & Social Science (No Style Control)1506
Arena Text — Longer Query (No Style Control)1493
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