Meta

Moved from open Llama to closed Muse models, but released the open-weight Muse Spark Open (15 Oct). Muse passed 10M users (Q3 call, 21 Oct); NVIDIA is putting $3B into Meta's $95B equity raise.

What it offers

Muse Spark 1.2

Closed flagship (5 Aug). Available through the Meta Model API and OpenRouter.

Muse Wonder

Stronger agent model for the $20 and $100 tiers (12 Oct).

Muse Ember

Smallest and cheapest Muse model, for agent subtasks; 1M context (9 Nov).

Muse Image · Muse Video

Image and video generation.

Muse Spark Open

Open-weight mixture-of-experts model (15 Oct), 816B total and 42B active parameters; tuned with Apple to run on high-end Macs.

Muse Glimmer 30B

Open-weight (Apache 2.0, 10 Aug). Runs on a single 24 GB GPU.

Llama 4

Legacy; the last Llama release was April 2025.

Meta AI

Assistant across WhatsApp, Instagram, Facebook, Messenger and Ray-Ban glasses, now running on Muse. Vibes AI-video feed.

Muse (personal agent)

Launched 8 Sep (US, iOS and Mac; free, $20 or $100 a month). Runs in a secure virtual machine for email, calendar, forms, shopping and payments. Meta says it was modeled on OpenClaw. Small-business version with Asana, Zoom and Slack hooks (29 Sep). Reporting by TIME and Wired found contact profiling and security flaws.

Moltbook

Social network for AI agents, acquired in March.

Muse Code

Terminal coding agent (5 Aug).

Recent news

• 9 Nov 2026Meta launches Muse Ember, a small, cheap Muse model for agent subtasks$0.10/$0.50 per million tokens with 1M context, on the Meta Model API, Google Cloud and Oracle.Meta AI ↗
• 26 Oct 2026Meta and NVIDIA expand their Muse partnershipNVIDIA also invests $3B in Meta's equity offering.PYMNTS ↗
• 15 Oct 2026Meta and Apple make Muse Spark Open run on MacsMeta's first big open-weight release since Llama 4.CNBC ↗
• 5 Oct 2026Muse privacy and security flaws exposedVM-escape bugs, contact profiling and iMessage sync incidents raise trust problems.AI Weekly ↗
• 29 Sep 2026Meta ships Muse for small business with Asana, Zoom and Slack hooksThe Muse agent expands from consumers into small-business workflows.AI Weekly ↗
• 21 Sep 2026Meta's Muse app tops 900,000 downloads in six daysStrong early adoption shows Meta can compete in consumer AI agents against ChatGPT, Grok and ClaudeCNBC ↗
• 10 Sep 2026Muse AI agent becomes the No. 2 app in the USA fast climb up the charts that later passed ChatGPT as the top free iOS appTechCrunch ↗
• 8 Sep 2026Meta launches Muse personal AI agent with $20 and $100 tiersAn agent that shops, books and handles tasks, and Meta's first paid consumer AI subscriptionTechCrunch ↗
• 9 Jul 2026Meta releases Muse Spark 1.1 under Alexandr WangA multimodal reasoning model with big gains in tool use, computer use and coding. It powers the Muse agentFortune ↗
• 20 May 2026Meta cuts about 8,000 jobs to fund $125-145B AI capexPayroll moves from non-AI teams to Superintelligence Labs, which shows how heavily Meta is betting on AIOpenTools ↗
• 8 Apr 2026Meta debuts Muse Spark, the first Superintelligence Labs modelA ground-up rebuild of Meta's AI stack after Llama, and a reset of its frontier ambitionsTechCrunch ↗