OpenRouter

Platform: Providing a unified API for developers to access and integrate over 400 large language models from various providers.

Financials

Revenue
$140.00M (2026)
Valuation
$500.00M (2025)
Funding
$40.50M (2025)

Headquarters: New York, United States
CEO: Alex Atallah
Website: openrouter.ai

Milestones

• Founding Year: 2023

Revenue & Revenue Growth Rate

• $140.0M
• ↑ 1840.0% YoY

Overview

OpenRouter is a universal API that provides developers access to 400+ different large language models from providers like OpenAI, Anthropic, Google, and 60+ other labs through a single endpoint. Instead of integrating separate SDKs for each AI provider, developers can point their applications to OpenRouter's API and access any model with the same OpenAI-compatible request format.

Business Model

OpenRouter operates as a B2B API platform with a usage-based monetization model, taking a 5% commission on all inference spend that flows through its routing layer.

Competition

Universal API providers

Direct competitors like Portkey, Martian, and Not Diamond offer similar AI model routing capabilities, though with different approaches to the market.

Cloud hyperscalers

AWS Bedrock, Google Vertex AI, and Azure OpenAI Service represent significant competitive threats by bundling multiple AI models within their existing cloud ecosystems.

Vertically integrated inference providers

Companies like Together AI, Fireworks AI, and Groq build their own inference infrastructure optimized for specific model types.

Risks

1. Provider concentration: Relies heavily on major AI providers continuing to allow access to their models.
2. Commoditization pressure: Standardization may lead to price competition.
3. Model consolidation: Fewer, more capable models could reduce demand for multi-provider routing.

News

Stripe Considers $10 Billion Acquisition of OpenRouter

Stripe aims to enhance its AI capabilities by potentially acquiring OpenRouter, valuing the startup at 70 times its annual revenue of $140 million.

Stripe in talks to buy OpenRouter for about $10 billion

Stripe's roughly $10 billion pursuit of OpenRouter would deepen its AI-payments footprint but entails an unusually high valuation, raising questions about model-access risk and acquisition economics.

Chinese AI Models Capture 63% of OpenRouter's U.S. Usage

Chinese AI models dominate 63% of OpenRouter's usage, raising regulatory concerns.