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River AI Raises $1.1B Seed/Series A to Build Personalized AI Training Stack

River AI, a two-month-old startup founded by xAI co-founder Igor Babuschkin, has raised $1.1 billion in a seed/Series A round led by General Catalyst and AMP PBC, with participation from Nvidia, AMD Ventures, Y Combinator, and Temasek

8d ago·FundingUPDATED8 INDEPENDENT OUTLETS
OpenAI Launches GPT-5.6-Cyber With Reduced Refusals for Exploit Development

OpenAI has launched GPT-5.6-Cyber, a specialized model fine-tuned from GPT-5.6 Sol to perform advanced vulnerability research and exploit development for approved defenders, including categories of work that general-purpose models typically

8d ago·Industry7 INDEPENDENT OUTLETS
OpenAI COO Brad Lightcap Departs After Eight Years

Brad Lightcap, OpenAI's former chief operating officer and one of the company's longest-serving executives, announced his departure on Tuesday after eight years at the AI lab. Lightcap said on X that he is leavi

8d ago·IndustryUPDATED5 INDEPENDENT OUTLETS
Nvidia Releases Nemotron 3.5 Lightning, Its First Open-Source Model Since Huang's Advocacy

Nvidia released Nemotron 3.5 Lightning, an open-source AI model the company describes as "lightweight" and capable of running on a single GPU on a laptop or desktop. The release marks Nvidia's first open-source model since CEO Jen

8d ago·Industry2 INDEPENDENT OUTLETS