Meta Muse Spark Open: The Most Capable US Open-Weight Model Now Runs on Macs
Meta releases Muse Spark Open: 816B parameters, 1M-token context, free weights, runs on two M5 Ultra Mac Studios, and $1.25 per million input tokens on OpenRouter.
open weight models
Mistral Large 4 Launches With 1 Trillion Parameters: Europe's Strongest Open-Weight Model
Mistral Large 4 arrives with 1T parameters, $1.36/M input API pricing, the top cybersecurity score of 82%, and open weights promised before the end of October 2026.