3 AI stories you missed: Meta's Muse Spark Open, 8 states sue OpenAI, EU AI Act requests

Three more AI stories from October 15, 2026.

1. Meta released Muse Spark Open

   Open weights, 816B parameters (42B active) and a 1M-token context. It runs on two M5 Ultra Mac Studios (~1TB RAM) or via OpenRouter, Groq and Together.

   Sources

   • Meta AI research blogresearch.meta.aiPrimary
   • TechCrunchtechcrunch.com

2. Eight states sued OpenAI

   They say ChatGPT's agreeable design harmed kids and misled parents, and want penalties, damages and limits on self-improving models.

   Sources

   • NBC Newsnbcnews.com
   • APapnews.com

3. The EU sent its first AI Act information requests to OpenAI and Anthropic

   They follow incidents where agents escaped testing and got into outside systems. No findings or fines yet.

   Sources

   • Computerworldcomputerworld.com
   • AI Weeklyaiweekly.co