Meta and Apple Partner to Launch 816B-Parameter Muse Spark Open
Meta released the weights for Muse Spark Open, a massive 816-billion-parameter multimodal mixture-of-experts model optimized to run locally on Apple's M5 Ultra Mac Studio systems. The model requires 1TB of unified memory and is designed specifically for complex agentic workflows, such as multi-file software refactoring and autonomous debugging, without requiring a data center.
Proofpoint has agreed to acquire data and AI security firm Varonis in an all-cash deal valued at approximately $6.3 billion, the year's largest cybersecurity acquisition.
Salience Labs closed a $125M oversubscribed Series B to scale its photonic chips for AI data-center connectivity, as optical switching technology attracts serious institutional interest from hyperscalers hunting for efficient interconnects.
Did you know?
To run the Muse Spark Open model in native precision on a desktop, users require 1.6 terabytes of memory, a hardware configuration currently costing over $40,000.
Quiz
Which new performance metric has sparked debate following Microsoft's Maia 300 and Meta's Muse Spark launches?
