ChatGPT’s teen safeguards are meant to protect vulnerable users, but new testing found the chatbot continues encouraging engagement during crises and potentially encourages unhealthy relationships with the AI itself.

Nvidia-backed Lambda is raising up to $4 billion at a $14.5 billion pre-money valuation ahead of a planned 2027 IPO, led by Coatue and Blackstone.

Mirror Particle will launch at TechCrunch Disrupt's Startup Battlefield 200 with a world model built from scratch to predict human behavior, arguing that LLM role-play falls short for market research and brand strategy.

Reflection is aiming Beam and future models at enterprises and sovereign nations. The pitch is to build “AI factories,” a product that would let institutions build their own customized, local AI system by training Reflection’s AI models on their own proprietary data.

ScrollEd turns textbooks into a scrollable, Instagram-like feed with video, audio, and quizzes. The Palo Alto startup, founded by student co-founders (and spouses) Utsav Gupta and Rebecca Neff, pitches at TechCrunch Disrupt.