Stripe agrees to acquire OpenRouter for $7B to become the backbone of AI model routing

Stripe has agreed to acquire OpenRouter, the AI model routing startup, for more than $7 billion. The deal, reported by Bloomberg, turns Stripe from the company that processes payments for AI into the company that both routes and bills for AI usage in a single stack. OpenRouter raised $113 million in a Series B round in May 2026 at a $1.3 billion valuation. Three months later, Stripe is paying roughly five times that amount. What OpenRouter actually does Developers send a prompt to OpenRouter’s platform, and it intelligently routes that request to the most suitable AI model based on criteria like cost, speed, and performance. Instead of juggling API keys and billing relationships with dozens of model providers, developers get a single gateway. The platform currently offers access to more than 400 AI models and serves approximately 8 million users globally. Stripe was already processing payments for OpenRouter before the acquisition. From payments processor to AI infrastructure layer Stripe’s usage-based billing products were designed specifically for the consumption model that AI companies rely on, where customers pay per token, per query, or per minute of compute. Acquiring OpenRou...