Daily AI CatchupAI Catchup — Saturday, October 17, 2026
Saturday, October 17, 2026Model
Meta Releases Muse Spark Open, 816B-Parameter Model
An 816B-parameter open-weight model that runs locally on two Mac Studios, built for coding and long agent tasks.
ModelMicrosoft Details MAI-Base-2 Frontier Pre-Training Stack
Microsoft opens up on its 2.8T-parameter in-house model and plans to sell it through Foundry.
OtherOpen-Weight Models Now Take 71.5% of Gateway Tokens
Vercel data shows open-weight models' share of AI spend has more than quadrupled since June.
PolicyAnthropic Gives Independent Evaluators Deeper Model Access
Anthropic now gives METR employee-like access to models and training data to independently judge frontier risks.
ToolsPerplexity Open-Sources Its Computer Agent Sandbox
Perplexity released SPACE, the sandbox infrastructure that powers its autonomous Computer agent, as open source.