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Today in AI · 8 deals

Wednesday, September 9, 2026 · 1 min read

Everything that moved in AI, the news that matters, every deal, new research, podcasts, what members shipped, and what's on this week.

Deals today
8
$8.3B · 1 M&A
Members
0
0 new today
AI Lounge Index
-2.0%
last 30 days
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
Alif Semiconductor Acquisition · acquired by Analog Devices · est. $1B to $10B
$1.35B
Harvey Series H · led by Diffusion · val. $15.5B · $400M ARR
$550M
Celero Communications Series C · led by CapitalG · val. $3B
$275M
Cylake Convertible note
$245M
Forus Series C
$150M
$149M

Newsletters & podcasts today

All newsletters →
Images 2.5 🎨, OpenAI solves Navier-Stokes 🧮, AlphaGenome Atlas 🧬 — TLDR AI 09/09
NewsletterTLDR AI
Images 2.5 🎨, OpenAI solves Navier-Stokes 🧮, AlphaGenome Atlas 🧬
GPT-6 Astra, Looped Transformers, and Hidden Reasoning
NewsletterAhead of AI
A Look at Recurrent Depth, Hidden Chains of Thought, and Recent Research on Looping Transformer Blocks
Big releases and bigger controversies
NewsletterSuperhuman AI
ALSO: Turn meeting notes into project plans with GPT-6 Astra
When will average people feel AI’s impact?
NewsletterInterconnects
We’re <5 years into a compounding revolution which could take a century, and how the AI industry should manage this.
TR
OpenAI's secret model settles a $1M math problem
NewsletterThe Rundown AI
OpenAI's secret model solved a $1M math problem. Discover how AI is tackling Navier-Stokes and where your brand appears in AI search results.
LWiAI Podcast #256 - Fable 5.1, Astra Tease, Gemini 3.8 Flash
NewsletterLast Week in AI
Anthropic launches Claude Fable 5.1, OpenAI Is About (already has) to Release Its First AI Model With ‘Critical’ Cyber Abilities, OpenAI’s rogue AI model incident was worse than we
Why GPT-6 Astra Is So Significant and So Confounding
PodcastThe AI Daily Brief · 29 min
GPT-6 Astra has produced spectacular 3D worlds, autonomous computer use and eye-popping demonstrations—but surprisingly mixed reactions from everyday users. NLW explains why Astra

Research & videos

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AI stocks

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Swarmer +10.9%Cloudflare +10.5%Vertiv -9.6%
Member perk of the day
Mistral AI · Mistral AI startup program: API credits and support ($30,000 value)
Mistral's startup program (Mistralship) provides La Plateforme credits, technical support and events for early companies building on Mistral's open-weight and f
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