OpenRouter Raises $113M Series B

OpenRouter, a New York based AI infrastructure startup, has raised $113 million in a Series B funding round.

Investors

The round was led by CapitalG, Alphabet's independent growth fund. Additional investors participating in the round include NVentures, ServiceNow Ventures, MongoDB Ventures, Snowflake Ventures, Databricks Ventures, Andreessen Horowitz, and Menlo Ventures.

OpenRouter Use of Funds

OpenRouter plans to use the new capital to expand its routing, governance, and optimization capabilities as more enterprises integrate AI models into their production workflows.

About OpenRouter

Founded in 2023 by Alex Atallah and Louis Vichy, OpenRouter is an AI model exchange platform that enables developers and enterprises to access, route, and optimize AI workloads across hundreds of models through a single API. The company provides interoperability between major AI providers including OpenAI, Anthropic, Google, xAI, and DeepSeek. The platform offers tools for intelligent model routing, automated failover, usage tracking, governance controls, and cost optimization.

Funding Details

Company: OpenRouter
Raised: $113M
Round: Series B
Funding Date: May 26, 2026
Lead Investor: CapitalG
Additional Investors: NVentures, ServiceNow Ventures, MongoDB Ventures, Snowflake Ventures, Databricks Ventures, Andreessen Horowitz, Menlo Ventures
Company Website: https://openrouter.ai
Software Category: Artificial Intelligence
Source: https://www.businesswire.com/news/home/20260526953416/en/OpenRouter-Raises-%24113-Million-CapitalG-led-Series-B-as-Weekly-Volume-Explodes-to-25T-Tokens