Stripe Acquires OpenRouter: Valuation Soars 4-Fold in Three Months, a16z Scores Two Mega Exits in One Week

Stripe has officially acquired AI model aggregation platform OpenRouter for $7-7.5 billion, a valuation surge of over four-fold compared to three months ago. The deal seamlessly integrates OpenRouter's unified billing and multi-model access capabilities into Stripe's payment ecosystem. What's even more striking to the industry is that behind the deal, investor a16z infra completed two mega exits—Cursor and OpenRouter—within the same week, setting a rare record in venture capital history.