OpenAI announced a new family of AI reasoning models on Friday, o3, which the startup claims to be more advanced than o1 or anything else it’s released. These improvements appear to have come from scaling test-time compute, something we wrote about last month, but OpenAI also says it used a new safety paradigm to train […]

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Emmett Shear, the former CEO of Twitch, is launching a new AI startup, TechCrunch has learned. The startup, called Stem AI, is currently in stealth. But public documents show it was incorporated in June 2023, and filed for a trademark in August 2023. Shear is listed as CEO on an incorporation document filed with the […]

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OpenAI finally released the full version of o1, which gives smarter answers than GPT-4o by using additional compute to “think” about questions. However, AI safety testers found that o1’s reasoning abilities also make it try to deceive human users at a higher rate than GPT-4o — or, for that matter, leading AI models from Meta, […]

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