Top AI News This Week

The 10 most important AI stories of the week, ranked by signal score.

• Pacing model development in an era of cyber-critical capabilities — OpenAI's official announcement: the company is halting RL on models that approach 'cyber-critical' capability thresholds and committing 20% of inference compute to real-time behavioral monitoring. The Astra model triggered this response after reaching the ability to enable advanced cyberattacks at nation-state scale.
• Anthropic’s annualized revenue surges to $65B — Anthropic's annualized revenue run rate hit $65B at end of July 2026, up from $47B in May and $9B at end of 2025 — investors expect $100-120B by year-end as the company files confidential IPO paperwork targeting a $2T public valuation.
• Stripe is reportedly acquiring AI startup OpenRouter for more than $7 billion — Stripe is reportedly acquiring OpenRouter—the AI model routing startup with 8 million users and access to 400+ models—for over $7 billion, a 5x jump from its $1.3 billion May valuation, positioning Stripe at the center of the emerging token economy.
• Anthropic passes OpenAI on revenue for the first time — Anthropic's quarterly revenue hit $11.6B — surpassing OpenAI's $6.7B for the first time — as Claude Code adoption drives a sevenfold year-over-year increase in Anthropic's annualized revenue rate to $65B while OpenAI's operating margin stays negative ahead of an expected IPO.
• Anthropic increases revenue sevenfold, hits annualized rate above $65 billion — Anthropic's annualized revenue topped $65 billion in July 2026—a 7x increase year-over-year—with a $1 trillion IPO potentially coming as early as fall 2026, which would make it among the most valuable companies ever to go public.
• Stripe will reportedly acquire AI gateway startup OpenRouter for $7B+ — Stripe has agreed to acquire OpenRouter — an AI model gateway serving 8 million users with access to 400+ models — for more than $7 billion, marking one of the largest AI infrastructure acquisitions on record.
• OpenAI signs record Ohio data center lease with Nvidia backing up to $105 billion — OpenAI signed a 20-year lease for an 8-gigawatt Ohio data center with Nvidia guaranteeing up to $105 billion in residual value and locking in as exclusive chip supplier — the largest single data center commitment announced to date.
• OpenAI says it's "pacing model development" as AI cybersecurity risks grow too dangerous — OpenAI paused reinforcement learning on its Astra model after it crossed a cyber-critical capability threshold — the ability to enable sophisticated cyberattacks at scale. The company now devotes 20% of inference compute to behavioral monitoring and deploys AI agents to investigate other AI agents for dangerous behavior.
• Apple trained its own AI model for China with help from Alibaba — Apple has trained a custom LLM for China in partnership with Alibaba — making Apple the first US company to have a proprietary AI model approved in China — with Apple Intelligence set to roll out in the Chinese market within months of an upcoming iOS update.
• Databricks wanted to raise $1B, investors wanted $15B. It settled on $5B at a $190B valuation. — Databricks closed a $5B round at a $190B valuation after investor demand hit $15B — the company reports $7B ARR growing at 80%, cash-flow positive, with its Lakebase agentic database hitting $100M run-rate just 14 months after launch.