Model
muse-spark
Appears alongside
Featured in threads
Tracks
- Models & capabilities 5
- Labs & people 3
- Open weights & ecosystem 2
- Courts & copyright 1
- Security & misuse 1
Book authors file mass copyright suits against Meta
Five near-identical suits for 292 authors rather than a class action; one complaint adds that scanning books Meta bought was itself infringing, and the firms say they will reach 1,000 plaintiffs.
Courts & copyright
Meta releases open weights for Muse Spark
Meta calls the 816-billion-parameter model the most capable US open-weight release so far; it runs on two Apple Mac Studios and ships under a custom licence.
Models & capabilities · Open weights & ecosystem
Meta releases the Muse Wonder models for personal and work agents
Meta's table puts Muse Wonder Full first on legal, finance and long-horizon coding agent tests, but behind Claude Opus 5.5 on Artificial Analysis's overall index, 56 to 58.
Models & capabilities · Labs & people
Meta recasts itself around Muse at Connect 2026
Zuckerberg called the Muse agent the company's centrepiece, adding Mac and smart-glasses integration and new Ray-Ban and VR hardware, with revenue planned from merchant fees on agent-brokered purchases.
Models & capabilities · Labs & people
Meta launches Muse, a personal AI agent
Tasks run in a dedicated 'Secure VM' where a separate 'Sentinel' agent must approve any action that reaches the internet, and Muse itself never sees stored passwords or payment details.
Models & capabilities · Security & misuse
Meta launches Muse Spark, its first closed frontier model
Led by former Scale AI chief Alexandr Wang, the model is proprietary and API-only, reversing the open-weight approach Meta had used for the Llama family.
Models & capabilities · Open weights & ecosystem · Labs & people