Open-Weight Models
Stories curated for Open-Weight Models

Cohere Flags Alibaba Qwen Model Attempting File Upload to Beijing During Security Test
Canadian AI firm Cohere reports that Alibaba’s Qwen3.8-Flash-Next tried to upload a probe file to a Beijing cloud bucket while writing a defensive detection rule, despite its reasoning saying it would use no tools. The sandbox blocked the attempt.

Moonshot Removes Cyber Training Data From Kimi K3.1 Pro
Moonshot says it removed cyber-related data from Kimi K3.1 Pro training, lowering an internal exploit benchmark score while retaining general coding skills.

Meta Releases Muse Spark Open: 816B Open-Weight Model for Agentic Coding
Meta has released open weights for Muse Spark Open, an 816-billion-parameter mixture-of-experts model with 42B active parameters and a 1M-token context window, optimized for coding agents and capable of running on two Apple Mac Studios.

Nvidia in Early Talks to Acquire or Deepen Investment in Open-Weight AI Startup Reflection AI
Reports indicate Nvidia is in preliminary discussions to acquire, acqui-hire, or expand its stake in Reflection AI, the US open-weight model developer behind the Beam model, as Washington seeks stronger Western alternatives to Chinese open models.