Silicon Valley’s AI wunderkind launches Underdog, the most private Instinct/Muse competitor yet

Sigil Wen, backed by a Silicon Valley who’s who, has built an on-device AI assistant that promises to be free, fully private, and capable for everyday tasks.

Hark releases an AI personal assistant with a focus on privacy

The AI lab’s personal assistant is an operating system from the future designed to compete with Muse, Dots, and Instinct.

Mirror Particle is building a ‘world model’ of human behavior

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.

Learn all about scaling, fundraising, founder how-tos, and more at TechCrunch Founder Summit, November 4

There isn’t a single manual to read or prompt to give an LLM that can equip you with the skills and knowledge to build a company. But on November 4, TechCrunch Founder Summit gives founders the next-best thing: A packed day at Boston’s SoWa Power Stati…

Get all your questions answered at TechCrunch Disrupt 2026: The full breakout session agenda revealed

Get all of your scaling and tech questions answered at TechCrunch Disrupt 2026. Here’s the full breakout session agenda, happening October 13-15 in San Francisco. Register now to join and save up to $100, and get a second pass at 50% off.

Flai’s AI dealership software is booking 50,000 appointments per month

Flai’s revenue has grown 20x in a year, and the company just closed a $27 million Series A funding round.

Etched fields funding offers at $40B+ valuation, sources say

Just a couple of months after its last big raise, the AI chip startup is already being plied with investment offers at double or more its current value, sources tell TechCrunch.

After Factory’s public spat with Khosla, Menlo proudly invests

Days after Vinod Khosla called Factory a struggling also-ran, Menlo has shown up with a check and a glowing blog post.