Stripe Pays More Than $7 Billion to Acquire AI Model Router OpenRouter

Quick Facts

• Stripe has finalized its acquisition of OpenRouter for more than $7 billion, over five times the startup’s $1.3 billion valuation from a Series B round earlier this year.
• OpenRouter routes developers across more than 400 AI models from a single integration point, taking a roughly 5% cut of inference spend, and has about 8 million users.
• The company grew annualized revenue from $1 million at the end of 2024 to $50 million by early 2026, a 50-fold increase in 18 months.

Stripe has agreed to buy OpenRouter, a New York-based startup that gives developers a single gateway to more than 400 artificial intelligence models, for more than $7 billion. Bloomberg first reported the deal on Aug. 16, 2026. A Stripe spokesperson told TechCrunch the company does not comment on rumors or speculation.

The Wall Street Journal reported in July that the two companies were in talks, at a valuation then cited at roughly $10 billion. The final price of more than $7 billion still represents a premium of more than five times the $1.3 billion valuation OpenRouter carried after its Series B round in May 2026.

What OpenRouter Does

OpenRouter was founded in 2023 by Alex Atallah and Louis Vichy. Atallah previously co-founded OpenSea, the NFT marketplace valued at $13 billion. The company employs about 50 people.

Its product is straightforward: a developer writes one integration to OpenRouter and can then swap between providers like OpenAI, Anthropic, or open-weight models without changing code. The router selects between them based on cost, speed, or availability. OpenRouter takes a cut of approximately 5% of the inference spend that passes through its platform.

The company processed more than 25 trillion tokens per week before its Series B and was on pace to surpass one quadrillion tokens in 2026. Sacra estimated annualized revenue hit $50 million in March 2026, up from $19 million at the end of 2025, a year-over-year increase of more than 1,800%.

The Funding Trail

OpenRouter raised $174 million across three rounds from 11 investors. Andreessen Horowitz led a $12.5 million seed round in early 2025. Menlo Ventures led a $28 million Series A in April 2025, valuing the company at $500 million. Alphabet’s growth fund CapitalG led a $113 million Series B in May 2026 at a $1.3 billion valuation. Nvidia, ServiceNow, MongoDB, Snowflake, and Databricks also participated in the Series B.

Why Stripe Is Buying It

Stripe and OpenRouter already had a working relationship. Earlier this year, the two companies announced a token-billing integration that meters AI model usage and prices it automatically. Stripe also co-authored the Agentic Commerce Protocol with OpenAI.

Atallah has described OpenRouter as the “Stripe of AI,” a unified access layer that removes fragmentation across model providers. Stripe, which built its business by metering the movement of money and taking a small slice of each transaction, is now applying that model to AI inference spending.

The acquisition fits a pattern. Over the past year, Stripe has also acquired Bridge for stablecoin infrastructure at $1.1 billion, Privy for crypto wallets, Metronome for usage-based billing, and Tempo for streaming payments. Each targets a different point where value moves. OpenRouter fills the gap in determining which AI model to call, how much to call it, and how to settle the cost.

If Stripe bundles OpenRouter’s routing technology with its existing payments infrastructure, it would give the company direct exposure to AI model spending across the millions of businesses already using Stripe’s tools. Demand for flexible, multi-model access is growing as AI agents drive inference volume roughly seven times higher than traditional chatbot workloads, according to Sacra estimates.

Read more: Stripe reportedly finalizes deal to buy AI model router OpenRouter for more than $7B