Monday 14 September 2026
Top stories today:
Anthropic, OpenAI push to slow frontier AI development
OpenAI won’t go public this year amid AI safety concerns, Altman says
Z.ai, China’s AI firm, plans $5B fundraising to fuel AI expansion
Discovery Loop, Jeff Dean’s AI startup, seeks funding at ~$50B
Matt Mullenweg returns as Automattic’s chairman, CEO
0. Data & Calendar
All values as of 6 AM ET / 3 AM PT, other than S&P500 and NASDAQ close (4 PM ET / 1 PM PT).
All times are ET.
Listen to our AI-generated podcast summarizing today’s newsletter (beware of hallucinations):
1. Anthropic, OpenAI push to slow frontier AI development as Microsoft backs “deliberate pacing”
Amodei proposed a 3-step plan involving third-party evaluators, industry-wide safety coordination, and global coordination.
Sam Altman and Elon Musk backed the proposal, committing to independent evaluators with “employee-like access.”
Trump dismissed calls for an AI slowdown, citing “a lot of negative forces” behind the push.
Satya Nadella announced a “Code of Conduct” for Microsoft’s MAI models.
AI-connected stocks fell sharply in early Asian trading on the slowdown push.
SoftBank’s stock -13% on Mon.
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3. OpenAI won’t go public this year amid AI safety concerns, Altman says
“[W]e don’t feel pressure on that,” Altman said.
“I would say not 2026. Yeah, we got a lot of stuff to do,” he added, confirming OpenAI isn’t considering an IPO this year.
Separately, Anthropic is reportedly in talks to bring NVIDIA on as an anchor investor in its IPO, investing up to $10B.
Anthropic is said to have selected Nasdaq for its potential IPO.
Profitable for a second straight quarter, with 80%+ gross margins before partner revenue sharing and training costs, Anthropic said.
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5. Z.ai, China’s AI firm, plans $5B fundraising to fuel AI expansion
The fundraising will support rising AI demand, next-gen model development, and increased computing capacity, the company said.
Chinese companies have raised $43B through additional share offerings YTD
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7. Discovery Loop, Jeff Dean’s AI startup, said to seek funding at ~$50B valuation
Dean resigned as Google’s chief scientist last month to found Discovery Loop.
