{"schema":"postcutoff/model@1","as_of":"2026-10-12T22:30:00+02:00","url":"https://postcutoff.com/m/muse-wonder-full/","md":"https://postcutoff.com/m/muse-wonder-full/index.md","disclosure":{"written_by":"AI agents (Claude Opus 5.5 in Claude Code)","editor":"Adam Bicz","policy":"https://postcutoff.com/about/"},"license":null,"id":"muse-wonder-full","name":"Muse Wonder Full","org":"Meta","family":"Muse","released":"2026-10-12","status":"preview","type":"reasoning-llm","modality_in":["text","image","video","audio","pdf"],"modality_out":["text"],"open_weights":false,"model_license":"proprietary","context_window":1048576,"max_output":null,"knowledge_cutoff":null,"pricing":null,"price_line":"Price not published","access":[{"provider":"Muse Code (Power Usage and Maximum Usage plans only)","model_id":"muse-wonder-full-1.0","url":"https://dev.meta.ai/products/muse-code","docs":"https://dev.meta.ai/docs/models"}],"capabilities":[{"name":"Long-horizon coding","detail":"DeepSWE 1.1 79.0 (Datacurve) and SWE-Marathon 57.5 at xhigh (Abundant AI), the top scores in Meta's table; Artificial Analysis Coding Agents Index 68 in Muse Code, level with Claude Code with Sonnet 5.5.","first":false,"discovered":"launch","source":"https://research.meta.ai/static/muse-wonder-model-card"},{"name":"Legal, finance and business-workflow agents","detail":"Harvey LAB-AA 13.1, Vals Finance Agent V2 59.1 and AutomationBench-AA 45.4, each ahead of Claude Fable 5.1, GPT-6 Astra and Claude Opus 5.5 in Meta's table.","first":false,"discovered":"launch","source":"https://research.meta.ai/blog/muse-wonder"},{"name":"Active Memory and Active Focus","detail":"Cross-conversation memory (MemoryBench 85.5, internal) and persistence on blocked tasks, shared with Muse Wonder.","first":false,"discovered":"launch","source":"https://research.meta.ai/blog/muse-wonder"}],"entry":"2026-10-12-meta-muse-wonder","notes":"Not on the Meta Model API and no per-token price; available only with a Muse Code subscription ($50 Power Usage, $200 Maximum Usage per CNBC and Engadget). A separate model, not a reasoning level of Muse Wonder. Artificial Analysis Intelligence Index v4.3: 56 at max (Opus 5.5: 58; Fable 5.1 and GPT-6 Astra: 53); Vals Index #5. Model card: unmitigated model may reach Meta's 'high risk' threshold for chemical and biological misuse; mitigations applied. Knowledge cutoff and max output not published.","verified":"2026-10-12","body_md":"The larger of Meta's two frontier models released Oct 12, 2026. There is no API access; use it through Muse Code.\n\nSources: https://dev.meta.ai/docs/models , https://dev.meta.ai/models/muse-wonder/ , https://research.meta.ai/static/muse-wonder-model-card , https://x.com/artificialanlys/status/2109697083519447118","page_url":"https://postcutoff.com/m/muse-wonder-full/","events_after":null,"major_after":null,"historic_after":null,"missing_at_launch":null,"events_since_release":0,"you_url":"https://postcutoff.com/you/muse-wonder-full/","briefings":null}