OpenRouter Raises $113M Series B

OpenRouter has secured a $113 million Series B funding round led by CapitalG, with participation from several prominent investors including NVentures, ServiceNow Ventures, MongoDB Ventures, Snowflake Ventures, Databricks Ventures, AMP PBC, and Pace Capital, alongside existing investors Andreessen Horowitz and Menlo Ventures. This funding comes as OpenRouter experiences significant growth, with weekly token volumes increasing from 5 trillion to 25 trillion and anticipated to exceed a quadrillion tokens annually, serving over 8 million developers across more than 400 models. The investor composition underscores the strategic importance of OpenRouter's role as a critical infrastructure layer for multi-model production systems, enabling reliable, scalable, and cost-efficient AI deployment. OpenRouter has expanded its capabilities to support multimodal inference, enterprise controls, and intelligent routing, positioning itself as a vital component in the evolving AI landscape. The funds will be used to further scale OpenRouter's infrastructure, enhance enterprise features, and invest in intelligent routing to better serve the needs of its growing developer community.