How does Stripe calculate the $7 billion spent on acquiring the AI model hub?

Author: Zhou, ChainCatcher

According to Bloomberg on August 16, informed sources say that payment giant Stripe has finalized an acquisition of the AI model aggregation platform OpenRouter for over $7 billion, though the final price may still fluctuate. As of the time of publication, neither party has issued an official statement.

It is worth mentioning that OpenRouter founder Alex Atallah previously referred to his platform as the Stripe of the AI field. Now, this statement has come true in another way.

If the deal is finalized, it will be Stripe's largest move in the AI infrastructure sector in recent years.

Rumors of OpenRouter's sale have been brewing for over a month. In July, The Wall Street Journal reported that Stripe was in talks to acquire OpenRouter, with market estimates at nearly $10 billion.

In May of this year, OpenRouter completed a $113 million Series B funding, with a post-money valuation of about $1.3 billion. In less than three months, the price offered by Stripe has exceeded $7 billion, which is more than five times the valuation from the previous round.

In 2017, founder Atallah co-founded the NFT trading platform OpenSea with Devin Finzer and served as CTO. In July 2022, he left OpenSea before the market peaked, and less than a year later founded OpenRouter, once again riding the wave of AI infrastructure.

It is reported that OpenRouter is positioned as an intermediary layer connecting developers with various large models. Developers only need to connect to a unified interface to access over 400 models, and the platform automatically routes based on performance, price, and availability, while also handling failover, usage statistics, and billing.

Its revenue model involves taking about 5% to 5.5% as a platform service fee for each model call, passing the inference costs from model providers directly to customers. Currently, OpenRouter claims to have around 8 million global users.

Stripe Wants a Closed Loop from Model Selection to Payment

Setting aside the rising valuation, why does Stripe want to buy OpenRouter? It may be understood by looking at Stripe's continuous actions in AI over the past year.

Image Source: RootData

In December 2025, Stripe acquired the usage-based billing platform Metronome for about $1 billion. Metronome helps AI companies bill customers based on token usage, with OpenAI and Anthropic among its clients.

In April 2026, Stripe launched streaming payments for AI products at its own conference, supporting billing based on token consumption.

Now, with the addition of OpenRouter, Stripe's intentions are clear.

Metronome solved the issue of how to measure and charge, streaming payments addressed how to settle based on usage, and OpenRouter fills in the front-end link with accurate model selection. Together, they create a complete chain from model selection, invocation, measurement, billing to payment.

Adding to the actions in the crypto space, Stripe's stablecoin infrastructure company Bridge received MiCA CASP authorization and EMI electronic money institution license from the Luxembourg financial regulator CSSF in early July this year.

In early August, Bridge officially entered ESMA's MiCA registration list, becoming the 42nd authorized EMT stablecoin issuer.

With this license, EU companies can issue euro stablecoins linked to real-name IBANs in 27 member countries and complete cross-border payments.

Looking at AI and crypto together, whether it's stablecoin payments or AI inference consumption, a reliable measurement and settlement layer is needed at the core. Stripe is positioning itself in both rapidly growing sectors, acting as the cash register for the programmable economy.

Valuation, Moat, and Neutrality

As of July this year, OpenRouter's annualized revenue reached about $140 million, with gross margins close to software company levels, corresponding to a market-to-sales ratio of about 50 times at the $7 billion valuation. This figure clearly does not reflect current profitability but rather growth rate and positioning.

OpenRouter's revenue has multiplied several times in six months, primarily driven by developers adding intelligent agent features to their software. Agents require frequent switching of models, tools, and data sources when performing different tasks, which is precisely the scenario OpenRouter excels in. The more diverse the model supply, the more valuable the platform that can compare and schedule these models.

In addition to OpenRouter, Stripe is also reported to be in discussions with private equity firm Advent to acquire PayPal, with a transaction valuation potentially reaching about $53 billion; meanwhile, on Polymarket, the probability of Stripe's future IPO valuation exceeding $500 billion was once reported at around 43%. The intensive mergers and acquisitions reflect a company accumulating chips for an IPO.

However, the ceiling for this commission-based business is also clear. As model capabilities gradually standardize, platforms may face pressure from factors such as price reductions of open-source models, binding ecosystems of cloud vendors, and direct price cuts from model providers, which could continuously squeeze profit margins.

The current high valuation given to OpenRouter is more about pricing its potential rather than its current profitability. The real question is how deep OpenRouter's moat truly is.

"White-haired stock god" Serenity believes that OpenRouter's orchestration capabilities are actually easy to replicate and replace, indicating a shallow moat; its current value mainly comes from its user base, valuable datasets, and growth momentum.

Serenity suggests that Stripe may eventually lobby to push for strict identity checks for API access to cutting-edge models, similar to opening a bank account, and require other players to obtain licenses to route inference requests, packaging the rationale as AI safety, such as preventing large models from being used to generate dangerous content.

If this scenario comes true, OpenRouter's real barrier will no longer be technology, but compliance and licensing.

However, this also puts OpenRouter's neutrality to the test. OpenRouter's foundation is to provide developers with neutral, non-lock-in model access, routing to whoever is cheaper and online. But once integrated into Stripe, which has its own commercial motives, can this neutrality be maintained?