OpenRouter
Latest round
- Series B
Last raised
- Oct 2026
Total raised
- $265M
Investors
- 20
About OpenRouter
Based in New York, United States, founded in 2023, OpenRouter, Inc. specializes in providing developers and enterprises with access to a wide range of large language models and AI capabilities through a single, unified interface. The company was co-founded by CEO Alex Atallah, Chris Clark and Louis Vichy., a portfolio company of Capital Group Private Markets,Kleiner Perkins,Redpoint Ventures,Silver Lake,General Catalyst Partners,Alven,Founders Fund,Khosla Ventures,Fidelity Investments,Tiger Global Management,GV,Andreessen Horowitz,Greenoaks Capital,Coatue Management,SV Angel,Lowercase Capital,DST Global,Thrive Capital,SquareOne,American Express Ventures,Designer Fund,Playfair Capital,Square Peg,Moment Ventures,CapitalG,DFJ Growth,BDT & MSD Partners,Allianz X,Baillie Gifford,Sequoia Heritage,and Robinhood Ventures, agreed to acquire OpenRouter, Inc. from Sequoia, Andreessen Horowitz, Menlo Ventures, Soma Capital Management, Transpose Platform Management, CapitalG, ServiceNow Ventures, Pace Capital, Snowflake Ventures, Databricks Ventures, MongoDB Ventures, NVentures, and AMP PBC for USD 7 billion. 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.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 August 2026,The acquisition enables OpenRouter to leverage Stripe’s global infrastructure and resources to scale its AI model routing platform. It also allows OpenRouter to continue operating its marketplace while benefiting from Stripe’s capabilities in payments, billing, and AI-related commerce infrastructure
Who invested in OpenRouter
20 investors across 4 rounds
See all investors in OpenRouter
Sign up free to see every VC on the cap table, the rounds they joined, and how much each round raised.
Questions about OpenRouter
Who invested in OpenRouter?
OpenRouter has 20 investors on record across 4 venture rounds. Sign up free to see every VC on the cap table and the rounds they joined.
How much funding has OpenRouter raised?
OpenRouter has raised 4 venture rounds. Sign up free to see how much each round raised and the total.
When did OpenRouter last raise money?
OpenRouter's most recent round on record is a Series B, in Oct 2026.
What does OpenRouter do?
Based in New York, United States, founded in 2023, OpenRouter, Inc.
Where is OpenRouter headquartered?
OpenRouter is headquartered in New York, US.
Which VCs invest in companies like OpenRouter?
Among active investors with capital left to deploy, Andreessen Horowitz, Founders Fund, Accel and Thrive Capital back software companies at OpenRouter's stage. Their profiles are linked below.
VCs backing software startups at Series B
Raising like OpenRouter? Find the right VCs.
Capital Atlas matches your startup to active investors by stage, sector and region.