AI Coding Darling Cursor Raises $2.3B

Nov 14, 2025

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Welcome back to 4IR. Here’s today’s lineup:

AI coding darling Cursor raises $2.3B, triples valuation in five months - The MIT-grad-founded startup hits $29.3B valuation and $1B+ revenue after Nvidia and Google jump in, proving AI coding tools aren’t just hype—they’re printing money
OpenAI releases GPT-5.1 after users roasted GPT-5 for being too cold - Three months of “your AI is a robot” complaints forced OpenAI to ship warmer, faster models that actually sound human, with adaptive reasoning that stops overthinking simple questions
Defense startup CHAOS raises $510M as drone warfare explodes - LA-based counter-drone radar company hits $4.5B valuation and $1B total funding in just three years as Russia launches 5,600+ drones monthly into Ukraine

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