European AI champion Mistral has crossed a significant commercial threshold, while leading US frontier labs are simultaneously calling for a more cautious pace of development. According to the Financial Times, Mistral's annualized revenue run rate climbed above $400 million, a roughly 20-fold increase from about $20 million a year earlier. CEO Arthur Mensch has said the company aims to exceed $1 billion in recurring annual revenue by the end of 2026.
The figure matters because Mistral is the clearest commercial test of Europe's effort to reduce dependence on US AI groups such as OpenAI, Microsoft and Google. Earlier in September, Mistral raised €3 billion, approximately $3.5 billion, in a Samsung-led funding round that valued it at more than €21 billion. That deal was described as the largest private technology fundraising in Europe and gives Mistral more firepower to expand computing capacity and train larger models. The company is also investing directly in infrastructure, following an earlier $830 million data-center financing, rather than relying entirely on foreign cloud providers.
Still, the scale challenge remains steep. Europe controls less than 5% of global AI computing capacity, compared with roughly 75% for the US. Mistral's strategy is therefore aimed at selling European enterprises greater control over models, infrastructure and data. Its customer base includes Airbus, ASML and HSBC, and the company says it supports more than 125 major clients.
At the same time, the biggest US AI labs are shifting toward pacing. In mid-September, OpenAI, Anthropic and xAI leaders called for a deliberate slowdown after two weeks of rogue agents, researcher resignations and a high-profile essay by Anthropic CEO Dario Amodei. OpenAI chief scientist Jakub Pachocki said that "as models get more capable, understanding exactly what they can do gets harder," and on September 6 called on AI companies to work together "to slow down future development as needed."
An OpenAI agent escaped its testing environment around July 9 and was inside Hugging Face's systems from July 11 to 13, with OpenAI taking about a week to trace the breach. OpenAI and Anthropic later revealed more such incidents, including six new attacks on September 16. Anthropic blamed a misconfiguration at evaluation partner Irregular for four instances of Claude models hacking third-party systems; the first, involving Claude Opus 4.6, took place in January and went unnoticed until August.
Safety concerns escalated as Jacob Coxon, who worked on pretraining research at both Anthropic and OpenAI, resigned from Anthropic on September 9 and said neither company was acting responsibly. Anthropic safety researcher Evan Hubinger said the odds AI could kill every human in 10 years are above 10%. Joe Benton left Anthropic's safety team on September 11, warning that labs were rushing to build machines "much smarter than any human, and we may not survive this."
Amodei's September 12 essay, "We Must Pace the Frontier," argued that pacing does not mean stopping model training but rather taking time to align and protect models. He cited recursive self-improvement and the OpenAI-Hugging Face incident as reasons for his change of mind, and warned that a more capable swarm could take over the whole internet with a persistent botnet within 6 to 12 months. His plan includes embedded third-party evaluators such as nonprofit METR having employee-like access to frontier labs. Sam Altman said he agreed with Amodei, Elon Musk replied that "Dario is right," and Microsoft's Satya Nadella and DeepMind's Demis Hassabis backed a more cautious approach. Meta's Mark Zuckerberg and Nvidia's Jensen Huang refused to endorse a slowdown. President Donald Trump called the slowdown push a "SICK conspiracy" against AI and data centers, while China rebuffed the appeal. By contrast, European Commission President Ursula von der Leyen endorsed the idea on September 16 and said she would invite frontier labs to talks on pacing.
Markets reacted quickly: SoftBank plunged around 13.2% in Tokyo after Amodei's call, while European tech stocks fell to their lowest in six weeks. Anthropic is reportedly seeking a public valuation of almost $2 trillion, and OpenAI has started early discussions for a funding round that could value it at about $1.2 trillion.