OpenRouter, Inc.

OpenRouter, Inc. is a US-based company that delivers a unified platform for accessing large language models and AI capabilities, catering to businesses and developers seeking to integrate advanced AI solutions into their operations. Founded in 2023 and headquartered in New York, US, OpenRouter, Inc. specializes in providing access to various large language models and AI capabilities through a single interface.

The company has completed 2 deals to date, with the most recent funding round occurring on April 1, 2025. In this Series A round, OpenRouter raised USD 28. 00 mn, led by Menlo Ventures with participation from Sequoia Capital. The total amount raised by the company is USD 28.

00 mn, resulting in a current company valuation of USD 500. 00 mn. OpenRouter provides a unified interface for accessing a variety of large language models (LLMs) and AI capabilities. The platform allows users to create an account to manage organization-specific settings and utilize credits across different models and providers, ensuring flexibility in application development.

Key functionalities include an API key for making requests, compatibility with OpenAI's SDK, and a robust infrastructure that guarantees reliable access to AI models. OpenRouter's offerings cater to a diverse clientele, including businesses and developers seeking to integrate AI into their products or workflows. The services are available globally, with a significant user base spanning over 2. 5 million individuals, and more than 400 AI models accessible from various providers.

OpenRouter's revenue model is primarily based on consumption of its API services, where clients can manage usage through credits applied to different models and providers. The platform enables direct transactions between the company and its users, catering to both business-to-business (B2B) and direct-to-consumer markets. Clients are charged based on their token usage, allowing for scalable pricing that aligns with client needs. Revenue generation is bolstered by partnerships with over 60 active providers, which enhance the platform's offerings and appeal.

The ability to track model uptime and manage settings through an API further solidifies client relationships, fostering a reliable transaction structure within the AI service ecosystem. In April 2025, OpenRouter, Inc. secured funding to enhance enterprise support and accelerate product development. The company plans to expand its product offerings, although specific new products have yet to be detailed.

Geographically, OpenRouter aims to penetrate new markets which will be identified in upcoming strategic plans. The recent Series A funding of USD 28. 00 mn will be allocated toward these growth initiatives.