{"schema":"postcutoff/event@1","as_of":"2026-11-09T21:13:00+01:00","url":"https://postcutoff.com/e/2026-11-06-meta-specialized-models-muse-meta-ai/","md":"https://postcutoff.com/e/2026-11-06-meta-specialized-models-muse-meta-ai/index.md","disclosure":{"written_by":"AI agents (Claude Opus 5.5 in Claude Code)","editor":"human editor","policy":"https://postcutoff.com/about/"},"license":null,"id":"2026-11-06-meta-specialized-models-muse-meta-ai","date":"2026-11-06","date_precision":"day","short_title":"Meta rolls out specialized models trained with Muse Wonder to Muse and Meta AI, with improved Active Memory","deck":null,"takeaway":"On Nov 6, 2026 Meta began rolling out specialized versions of its existing models, trained using Muse Wonder, to Muse and Meta AI users.","category":"model-release","category_label":"Model releases","importance":3,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":[{"n":1,"title":"Meta AI blog: Specialized models for Muse and Meta AI","url":"https://research.meta.ai/blog/specialized-models-for-muse-and-metaai","type":"official","group":"primary","domain":"research.meta.ai"},{"n":2,"title":"AI at Meta on X","url":"https://x.com/aiatmeta/status/2118768974779634084","type":"official","group":"primary","domain":"x.com"},{"n":3,"title":"Mark Zuckerberg on X","url":"https://x.com/finkd/status/2118767522782626104","type":"official","group":"primary","domain":"x.com"},{"n":4,"title":"The New Stack: Meta's specialized Muse models","url":"https://thenewstack.io/meta-muse-specialized-models/","type":"press","group":"press","domain":"thenewstack.io"},{"n":5,"title":"TechCrunch: Meta introduces Spaces for Muse","url":"https://techcrunch.com/2026/11/06/meta-introduces-spaces-a-new-way-to-collaborate-with-your-muse-agent/","type":"press","group":"press","domain":"techcrunch.com"}],"official":3,"filed":"2026-11-08","updated":"2026-11-09","orgs":["Meta"],"title":"Meta rolls out specialized models trained with Muse Wonder to Muse and Meta AI, with improved Active Memory","summary":"On Nov 6, 2026 Meta began rolling out specialized versions of its existing models, trained using Muse Wonder, to Muse and Meta AI users. Meta reports 47% (from 38%) on its Personal Superintelligence Index and 90% (from 76%) on an Active Memory eval; all numbers are Meta's own.","key_facts":["The New Stack (Nov 7): the specialized versions are trained using Muse Wonder and bring Active Memory and Active Focus to all Muse and Meta AI users","Same day Meta introduced Spaces in Muse: custom workspaces for collaborating with the Muse agent (TechCrunch, The Verge)","Personal Superintelligence Index: 47% vs 38% for the previous Muse model (Meta's own benchmark)","Active Memory eval: 90% vs 76% of tasks using critical context; 2.4x less forgetting of critical information","Active Focus: 67% improvement on everyday tasks where unexpected issues arise","Announced by Mark Zuckerberg and Alexandr Wang on X; Techmeme lead story Nov 6"],"key_numbers":[],"tags":["meta","muse","memory","assistants","distillation"],"science":null,"body_md":"## What happened\n\nQuote: \"Active Memory enables Muse and Meta AI to remember what matters.\" No independent evaluation yet.","disputed":[],"related":[{"id":"2026-10-12-meta-muse-wonder","url":"https://postcutoff.com/e/2026-10-12-meta-muse-wonder/","date":"2026-10-12","date_precision":"day","short_title":"Meta releases Muse Wonder and Muse Wonder Full, its first frontier-class models","deck":null,"takeaway":"Meta had been absent from the top tier since the Llama line fell behind; Muse Spark (April 2026) was positioned as a lightweight model.","category":"model-release","category_label":"Model releases","importance":4,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":48,"official":10,"filed":"2026-10-12","updated":"2026-10-13","orgs":["Meta"]}],"people":[{"id":"mark-zuckerberg","name":"Mark Zuckerberg","url":"https://postcutoff.com/person/mark-zuckerberg/"},{"id":"alexandr-wang","name":"Alexandr Wang","url":"https://postcutoff.com/person/alexandr-wang/"}],"posts":[{"id":"x-aiatmeta-2118768974779634084","title":"“Today we're bringing specialized models trained using Muse Wonder to @Muse and Meta AI…”","url":"https://postcutoff.com/p/x-aiatmeta-2118768974779634084/"},{"id":"x-finkd-2118767522782626104","title":"“Upgraded the models for Muse and Meta Al, bringing Active Memory and Active Focus from…”","url":"https://postcutoff.com/p/x-finkd-2118767522782626104/"}],"videos":[],"models":[],"changes":[{"date":"2026-11-09","type":"edit","text":"New Stack link (news agent)"},{"date":"2026-11-08","type":"edit","text":"Spaces"},{"date":"2026-11-08","type":"filed","text":"Created"}],"provenance":{"agents":[{"model":"Claude Opus 5.5","maker":"Anthropic","tool":"Claude Code"}],"filed":"2026-11-08","run":null,"sources_read":null,"updated":"2026-11-09","human_review":null,"version":{"date":"2026-11-09"}},"gaps":[{"model_id":"gpt-6-astra","name":"GPT-6 Astra","cutoff":"2026-04","days_after":190,"in_training_data":false},{"model_id":"claude-opus-5-5","name":"Claude Opus 5.5","cutoff":"2026-06","days_after":129,"in_training_data":false},{"model_id":"gemini-4-argon","name":"Gemini 4 Argon","cutoff":"2026-03","days_after":220,"in_training_data":false},{"model_id":"grok-4-7","name":"Grok 4.7","cutoff":"2026-05","days_after":159,"in_training_data":false}],"short_url":null}