DeepSeek reportedly raises $15B days after US restrictions

DeepSeek has reportedly raised $15 billion in one of China’s largest funding rounds, just days after the US ordered federal agencies to remove its technology over national security concerns.

Year-old AI lab Flapping Airplanes raises $1B at a $6B valuation

Just 9 months after raising an $180 million seed round, Flapping Airplanes has landed $1 billion Series A for its mission to build AI models “without ingesting half the internet.”

Heat pump tech is 170 years old. Pascal thinks it’s time for an update.

Refrigerants startup Pascal has a new take on heat pump and cooling tech using a sponge-like material that promises to be 20% more efficient.

Mach9 raises $34M after pivoting to AI CAD software

The startup initially set out to build better, faster, and cheaper surveying hardware in 2021.

Plants can speak using electricity, so this startup built an AI model to decipher their language

Electric Plant has built an AI-powered translator to help humans listen to what plants are saying with the subtle electricity coursing through their stems.

SpaceX alum’s aviation startup, Reliable Robotics, lands $115M, topping $1B valuation

Reliable Robotics extended its Series D round with $115 million in equity and $25 million in debt.

Otter.ai raises $320 million from General Catalyst’s growth fund for its meeting tool

Meeting note-taking tool Otter.ai announced on Tuesday that it has raised $320 million from General Catalyst’s Customer Value Fund (CVF), which provides capital to startups without diluting equity and gets returns on the results of marketing spen…

Blackwall quadruples valuation to $2.2B as websites wrangle an increasingly crowded internet

Blackwall has raised $100M at a $2.2B valuation to continue building security and filtering tools that help websites grapple with growing bot and AI traffic.

Tenstorrent hits $6.2B valuation to scale open-weight AI chips

After drawing acquisition interest earlier this year, the Nvidia challenger raised $1.5 billion to remain independent.

Last chance to save up to $200 on your TechCrunch Founder Summit pass: Early booking ends October 16

Savings of up to $200 end October 16 for TechCrunch Founder Summit. These savings for Founder and Investor Passes vanish after Friday. Join 1,000 founders and investors on November 4 at Boston’s SoWa Power Station. Bring your toughest questions and mak…