Today's signal
Anthropic is closing a funding round this week at a valuation above $900 billion, according to Bloomberg, officially surpassing OpenAI's $852 billion mark from March. The round is expected to exceed $30 billion, co-led by Sequoia, Dragoneer, Altimeter, and Greenoaks, with Peter Thiel's Founders Fund and General Catalyst also participating. It came together in weeks after Anthropic received inbound proposals in late April.
Why it matters
This is not a paper valuation built on hype. Anthropic reported $4.8 billion in Q1 2026 revenue and is projecting $10.9 billion for Q2, which would be more than its entire 2025 revenue in a single quarter. The annualized run rate is on pace to exceed $50 billion by end of June. That growth is being driven almost entirely by one product: Claude Code, Anthropic's agentic coding tool, which crossed $1 billion in ARR within six months of launch and was generating $2.5 billion in run-rate revenue by February 2026. More than 1,000 enterprise customers are now spending over $1 million per year on Anthropic services. This is a revenue story, not a funding story.
The take
The framing of this as "Anthropic beats OpenAI" misses the real signal. What happened is that a company built on one strong product in one specific workflow, enterprise coding, grew 80x in a year by executing on distribution rather than chasing benchmarks. Claude Code won because developers actually kept it open in their terminal, not because it scored best on a leaderboard. The valuation is the market's verdict on how rare that outcome is. OpenAI is filing for IPO at the same time, which means both companies will have to show audited books publicly within months. The era of unverified ARR projections ends the moment those S-1s go live.
The number
$9 billion: Anthropic's annualized revenue run rate at the end of 2025. Six months later, that number is projected to cross $50 billion. No enterprise software company in American history has grown at this rate.
Read the full breakdown at analyticsdrift.com/anthropic-900-billion-valuation-surpasses-openai