AI Doorbells, OpenAI's New Valuation, Yann LeCun's $3B Startup, & Luma AI's Video New Model.
This Week in AI Newsletter: 12/18/2025
Amazon released Alexa+, a new AI-powered feature that lets Ring doorbells talk with people at your door by interpreting camera footage and responding based on your preset instructions. More here.
Google released Gemini 3 Flash, a faster and cheaper model now set as the default in the Gemini app and AI mode in Search. More here.
OpenAI is reportedly in discussions to raise $100B at an estimated $750B valuation, according to The Information, about 50% above its October secondary. More here.
OpenAI launched a ChatGPT “app store” (an App Directory + Apps SDK), rebranding connectors as apps and expanding third-party integrations offerings. You can now submit your own MCP-powered apps to ChatGPT, enabling native UI experiences for users to interacting with external services without leaving the chat. More here.
Lovable is one of the new apps available in ChatGPT, letting you prompt an app or website directly in the chat and then open and build it in Lovable. More here.
Metas former Chief AI Scientist Yann LeCun is in early conversations to raise $586M at a $3B valuation, the startup plans to focus on AI systems, using world models that understand the physical world. More here.
Luma AI launched Ray3 Modify, letting creators edit existing footage with character references and generate controlled transitions by including start and end frames to preserve an actor’s original performance. More here.