OpenRouter, a startup that describes itself as “the first AI marketplace,” has been in operation for three years (1). Now that companies are spoiled for choice with AI models, everyone wants a piece of it — including major AI companies.

Google’s parent company, Alphabet, just led a round of Series B funding for OpenRouter that resulted in the company raising $113 million (2). This increases its valuation to unicorn status, totaling $1.3 billion in all — over twice what it was worth this time last year (2).

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OpenRouter allows businesses to access over 400 different AI models, letting them pick and choose what model works best for them. This includes household names like Claude, but also smaller and open-source models that might cost less.

Here’s why their company is so popular right now — and what that says about AI affordability.

AI budgets are growing. A briefing from Oxford Economics predicted that global AI spending will be as much as $3 trillion in 2025, up from $340 billion in 2025 (3). And, as companies push harder for their workers to use AI, some workers have already burned through their yearly AI budget (4).

Part of these budgets are going toward funding the use of multiple models at once. Different models are good at different things; additionally, cross-checking information between models is helpful for spotting inconsistencies and getting rid of hallucinations (5).

Buying enterprise access to multiple different models can get expensive quickly. That’s where OpenRouter comes in: It allows companies to route their token usage through it to the different models they’d like to use without committing to purchasing plans for each model.

This gives companies flexibility that they wouldn’t get without it, saving both time and money.

Alex Atallah, OpenRouter founder, says that his company fills a similar niche to Stripe, a widely used financial services company that serves as a payment hub for companies and their customers. They both act as a connective thread between customers and services, charging a small fee for the trouble.

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His pitch is working — Alphabet’s investment arm, CapitalG, approached OpenRouter with a “reverse pitch deck” to ask them to start a round of funding. Other investment arms of major AI companies, like Nvidia and MongoDB, also jumped in to invest.

The company says it processes 25 trillion tokens each week, five times more than it was six months ago.

OpenRouter’s popularity shows a growing customer dissatisfaction with the costs associated with big-name AI models. Many of these companies, including OpenAI, are running at a loss (6). Others, like Anthropic, have started making profits largely thanks to the higher revenue that enterprise customers allow.

If more companies opt for the lower costs associated with OpenRouter, that could rob major AI companies of their most profitable clients.

This could mean that major AI companies find themselves with an unsustainable business model, with customers unwilling to pay what it costs to use the resource. Companies hoping to replace human labor with cheaper AI models are already finding themselves disappointed (7).

Companies and customers alike have been sidelining increasing AI costs for a while now. Eventually, someone’s going to have to pay the bill.

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OpenRouter (1); Business Wire (2); Oxford Economics (3); The New York Times (4); MIT News (5); Forbes (6); Axios (7)

This article originally appeared on Moneywise.com under the title: OpenRouter, a one-stop shop for AI with 400+ models, has officially hit unicorn status with a $1.3 billion valuation

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