Stripe has bought OpenRouter for over $7 billion, merging AI model routing with payments. OpenRouter connects 8 million developers to 400+ models.
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Stripe has acquired OpenRouter in a deal valued at over $7 billion. The acquisition joins OpenRouter's technical AI model routing infrastructure with Stripe's global billing and payment settlement network.
The deal closed three months after OpenRouter raised $113 million at a $1.3 billion valuation. Research firm Sacra estimated the platform's annualized revenue at nearly $50 million as of late March 2026.
The final price reflects an adjustment from earlier negotiations. The Wall Street Journal reported preliminary talks at around $10 billion last month.
Stripe processed $1.9 trillion in transaction volume in 2025. The company reached a $159 billion valuation after a secondary tender offer that closed in February 2026.
The acquisition follows a pattern of strategic buys by the payment processor. Stripe bought stablecoin infrastructure firm Bridge for $1.1 billion, added crypto wallet provider Privy, and integrated usage-based billing platform Metronome – a vendor used by OpenAI and Anthropic – in January 2026.
Stripe also co-developed the Tempo protocol. The network's documentation describes it as a framework that lets autonomous AI agents request, authorize, and settle cryptocurrency payments without direct human involvement.
OpenRouter sits between 8 million developers and more than 400 AI models. The platform charges roughly 5% on inference costs routed through its system.
Stripe previously handled billing and tax services for OpenRouter as an external client. With the acquisition, the decisions about which model handles a query and the final payment now fall under one roof.
Traffic patterns on the platform shifted significantly over the past year. Models built in the U.S. dropped from 70% of total token volume in mid-2025 to about 30% in August 2026, losing share to open-weight models from China, according to shared data.
The platform has developed proprietary tools including the Fusion API, which splits a query across cheaper models and combines their outputs. In DRACO benchmark tests recorded by Perplexity, a mix of Gemini 3 Flash, Kimi K2.6, and DeepSeek V4 Pro reached 64.7% efficiency, beating GPT-5.5 at 60% and Claude Opus 4.8 at 58.8%.
The formal closing is subject to public confirmation from both companies and the usual regulatory reviews.
Stripe also made an unsolicited $53 billion offer to acquire PayPal, seeking control of its 439 million accounts, according to earlier reports. Swift has meanwhile expanded its blockchain settlement efforts, putting both companies in a race to control global crypto payments infrastructure.
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