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AI’s busiest week yet: models, agents, regulation

AI just hit a new phase shift: Microsoft is teasing a first reasoning model, NVIDIA is pushing open-weight and physical AI, and regulators are closing in fast. Here are the must-know moves people will be talking about this week^[6]^[9]^[11]^[7]^[14].

🧵 1/5

Microsoft Build is all about agents 🧠 Sources say MAI-Thinking-1 is coming as Microsoft’s first dedicated reasoning model, alongside MAI-Image-2.5 and a Copilot super app. It’s also pushing local inference with RTX Spark. Big shift for enterprise workflows^[6].

🧵 2/5

NVIDIA doubled down on open models and robots 🤖 Nemotron 3 Ultra was announced as its most capable open-weight model, while Cosmos 3 is built for physical AI, synthetic data, and world-action systems. That’s NVIDIA moving from chips into the model layer too^[9]^[11].

🧵 3/5

Anthropic just made a huge financial leap: a reported $65B Series H at a $965B valuation, plus Claude Opus 4.8 with dynamic multi-agent workflows and faster, cheaper modes. Enterprise AI competition is getting very real, very fast^[14].

🧵 4/5

The governance side is heating up too. CNN sued Perplexity over alleged scraping and redistribution, while the EU AI Act’s full transparency rules hit on Aug. 2, and OpenAI has already published a framework aligned to them. The compliance bill is coming due^[7]^[14].

🧵 5/5

Daily AI News [6]

techtimes.com [9]

yellow.com [11]

nvidia.com [14]

originbrief.app

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