AI just got bigger, pricier, and more agentic

AI news is moving fast: OpenAI just pushed ChatGPT and Codex into new territory, Anthropic opened up Mythos 5, and NVIDIA is betting harder on agents and physical AI. Here are the must-know shifts. ^[5]^[12]^[14]

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OpenAI Codex update: it can now use the computer, browse the web in-app, remember preferences, run automations, and work with 90+ plugins. That turns it from a coding tool into a broader AI workspace. According to OpenAI. ^[4]

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ChatGPT is getting more practical too: Fast answers speed up common questions, while ChatGPT for Clinicians adds citations, research tools, and CME support for verified U.S. clinicians. The big question: who gets the next dedicated workspace? ^[5]

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Anthropic has now made Fable 5 public, while keeping the stronger Mythos 5 restricted for select security partners. The model is pitched for code, research, and images, but access is still tightly controlled. As reported by The Guardian. ^[12]

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NVIDIA says the next wave is physical AI: Nemotron 3 Ultra for long-running agents, Cosmos 3 for robots and world models, and Jetson for edge deployment. AI is no longer just chat. It is becoming infrastructure for machines. ^[14]

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