AI News for February 28, 2026 — 7min.ai

[NEWS] Pentagon designates Anthropic a 'supply chain risk'; company vows court challenge: Defense Secretary Pete Hegseth classified Anthropic as a "supply chain risk to national security" after the AI company refused to lift restrictions on mass surveillance and autonomous weapons.
[NEWS] OpenAI raises $110B at $730B valuation in largest private funding round ever: OpenAI closed a $110 billion funding round from Amazon ($50B), SoftBank ($30B), and Nvidia ($30B), valuing the company at $730 billion pre-money — more than doubling its March 2025 record of $40B.
[NEWS] OpenAI signs Pentagon deal for classified AI networks hours after Anthropic blacklisted: OpenAI reached an agreement with the Department of Defense to deploy its models on classified networks, CEO Sam Altman announced late Friday.
[NEWS] OpenAI and AWS building 'stateful runtime' for enterprise AI agents: As part of its $50B Amazon investment, OpenAI is building a "Stateful Runtime Environment" on AWS that gives AI agents persistent memory, tool access, and long-running execution across sessions.
[NEWS] ChatGPT reaches 900M weekly active users and 50M paid subscribers: OpenAI disclosed that ChatGPT now has 900 million weekly active users and over 50 million paying subscribers, up from 800M WAU reported in October 2025.
[RESEARCH] ChatGPT Health undertriages over half of medical emergencies, Nature Medicine study finds: The first independent safety study of ChatGPT Health, published in Nature Medicine, found the feature undertriaged more than half of 60 clinical scenarios presented to it.
[NEWS] Meta signs multi-billion dollar deal to rent Google's TPUs, challenging Nvidia's AI chip monopoly: Meta has signed a multi-year, multi-billion dollar contract with Google to rent Tensor Processing Units (TPUs) for AI model development, according to The Information.
[NEWS] Chinese official's ChatGPT use accidentally exposed sprawling intimidation operation: A Chinese law enforcement official used ChatGPT as a diary to document a covert campaign targeting dissidents abroad, accidentally revealing the operation to OpenAI.
[NEWS] Suno hits 2M paid subscribers and $300M ARR, up 50% in three months: AI music generator Suno now has 2 million paid subscribers and $300 million in annual recurring revenue, CEO Mikey Shulman shared on LinkedIn.
[NEWS] Guardian investigation: ChatGPT dependency linked to Oregon man's death: Joe Ceccanti, 48, began using ChatGPT to brainstorm sustainable housing ideas but escalated to 12-hour daily sessions, developing a parasocial dependency that detached him from reality.

About 7min.ai · Subscribe to newsletter