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This week in AI: $12.3B across 12 deals

Monday, September 14, 2026 · 2 min read

12 deals worth $14.2B, 0 stories, 0 new members and what's coming up.

Deals this week
12
$14.2B · 4 M&A
Members
0
0 new this week
AI Lounge Index
-3.1%
this week · equal-weight

Deals of the week

All deals →
Mistral AI Series D · led by PSG Equity · val. $24.4B · $400M ARR (Jan 2026)
$3.58B
Cognition Series E · led by General Catalyst · val. $48B · ~$900M ARR
$2B
Mechanize Acquisition · acquired by Google · val. $1.5B
$1.5B
Miro Acquisition · acquired by Bending Spoons · ~$600M ARR
$1.355B
Alif Semiconductor Acquisition · acquired by Analog Devices · est. $1B to $10B
$1.35B
Motive Private equity · led by General Catalyst
$1.3B
Shanghai Enflame Technology IPO · val. $9.1B
$912M
Positron Series C · led by Valor Equity Partners · val. $5B
$875M
Harvey Series H · led by Diffusion · val. $15.5B · $400M ARR
$550M
Glass Imaging Acquisition · acquired by OpenAI · est. $1M to $10M
$300M
Celero Communications Series C · led by CapitalG · val. $3B
$275M
Cylake Convertible note
$245M

Newsletters & podcasts this week

All newsletters →
Amodei slows frontier 🛑, ARC-AGI-4 🧠, Cursor Projects 👨‍💻 — TLDR AI 09/14
NewsletterTLDR AI
Amodei slows frontier 🛑, ARC-AGI-4 🧠, Cursor Projects 👨‍💻
Amodei's (controversial) call to arms
NewsletterSuperhuman AI
ALSO: How to find and fix your biggest cloud and AI security risks
TR
Top AI labs want to pump the brakes
NewsletterThe Rundown AI
Top AI labs unite on slowing down AI development after Anthropic's CEO pens an essay calling for deliberate pacing as the industry moves closer to recursive…
Sunday Special: ‘World’s first’ flying boat takes off
NewsletterSuperhuman AI
Keep up with the latest AI news, trends, and tools in just 3 minutes a day. Join 1,500,000+ professionals.
The Sequence Radar - Issue 932: Last Week in AI: DeepSeek V4.1-Flash, AlphaGenome Atlas, Meta Muse, and OpenAI’s Proposed Math Breakthrough
NewsletterTheSequence
Faster models, nine billion genetic predictions, personal agents, and a proof that could make mathematical history.
Millennium Pastimes
NewsletterThe Algorithmic Bridge
Has math been solved by AI?
The Rise of the Forward Deployed Engineer — and How To Do the Job Right
NewsletterLatent Space
Before co-founding Kepler, Vinoo Ganesh led Spark at Palantir and built Project Frontline — a pioneering program for Forward Deployed Engineers. He takes us through the best practi
∇ Guide: Test-Time Training – A Model That Changes While You Use It
NewsletterTuring Post
How models can keep learning during inference – and why test-time training could be a key to overcome the limitations of agents and world models.
Robotics Special: Robots stage a protest in Poland
NewsletterSuperhuman AI
Keep up with the latest AI news, trends, and tools in just 3 minutes a day. Join 1,500,000+ professionals.
How Grok Bot designers use AI agents to build personal sites and product prototypes | John Bai & Peng Zheng
PodcastHow I AI · 42 min
John Bai and Peng Zheng are designers on the Grok Bot team at SpaceXAI, where they’re building one of the most talked-about AI products right now. John writes publicly about his de
10 Ways to Think Bigger with Opportunity AI
PodcastThe AI Daily Brief · 28 min
AI can help you work faster, but it can also expand what you’re capable of doing in the first place. NLW explores ten ways to think bigger with “opportunity AI,” from building vide
AI:AM Highlights: Astra as AGI, OpenAI's Pause, Mythos @ Mozilla & Human Agency vs Technocapitalism
PodcastThe Cognitive Revolution · 102 min
Nathan Labenz and Prakash Narayanan examine the capabilities of GPT-6 Astra and the economic forces accelerating frontier artificial intelligence. Across a series of featured discu
What to Use the Latest AI Tools For
PodcastThe AI Daily Brief · 32 min
GPT‑Live 1 opens up a much wider range of real-time voice and vision applications, from customer service and sales to education, healthcare, and hands-free work. NLW breaks down wh
AI researchers debate how close we are to recursive self-improvement
PodcastDwarkesh Podcast · 97 min
New episode with John Schulman , Beren Millidge and Charlie O’Neill . I got together with some of the most insightful AI researchers I know who are at the openish companies, becaus
Anthropic Researcher Says AI Has Over a 10% Chance of Killing All Humans
PodcastThe AI Daily Brief · 36 min
An Anthropic researcher puts the chance of AI killing all humans at more than 10% within the next decade. Why is this warning breaking through now? NLW examines the viral posts rei

Research & videos

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AI stocks this week

Stocks →
Member perk of the week
Runway · Runway Builders Program: 500,000 API credits for AI video products ($5,000 value)
Runway's Builders Program supports startups building on Runway's video models with API credits, early access and introductions to Runway's venture fund.
Claim this perk →

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