← The Polylog AI Intelligence Brief
Morning Edition · Sunday, June 21, 2026Published at 6:59 AM EDT · New York
Meta's Muse Spark Marks a Break From Llama, and From Open Weights
Superintelligence Labs' first model is natively multimodal with a parallel sub-agent reasoning mode, and it is closed source.
Meta Superintelligence Labs (MSL) has described Muse Spark, the division's first model and the system now running the Meta AI assistant. It was rebuilt entirely over roughly nine months on a new technical stack, a departure from Meta's Llam…
Continue the AI Intelligence Brief
Track frontier labs, chips, export controls, model releases, regulation, and AI infrastructure.
- 5 AI intelligence signals a day
- Frontier labs, compute, and chips
- Model releases and AI infrastructure
- Source-grounded analysis with confidence labels
The Global Intelligence Brief stays free.
Townsquare
Start a discussion in Townsquare.
More from this edition
- Washington Turns Export Controls on a Model Itself, Forcing Anthropic to Disable Fable 5 and Mythos 5
- The NSA, Mythos, and the Quiet Arrival of an AI Cyber Doctrine
- Amodei Asks Government for the Power to Block Unsafe Models
- Nvidia Raises 25 Billion Dollars in Bonds to Fund the AI Buildout
- Meta's SAM 3 Pushes Open-Vocabulary Segmentation Toward Production
- Genesis AI Unveils Eno, a Wheeled Robot Built on a Robotics Foundation Model
- OpenAI Hires Trump AI Plan's Architect to Run a New Strategic Futures Team
- OpenAI Adds Record-and-Replay Automation to Codex on macOS
Comments
0No comments yet.