OpenRouter Completes $113 Million Series B Funding Round, with a Post-investment Valuation of Approximately $1.3 Billion

Alina Collins
Published 2026-05-26About 5 min read

AI model routing and aggregation platform OpenRouter announced on Tuesday that it has completed a Series B financing round of $113 million, led by Alphabet's investment arm, CapitalG. According to individuals involved in this financing round, the post-investment valuation is about $1.3 billion, doubling the valuation from the previous round.

Other investment participants in this round include Nvidia's VC arm NVentures, ServiceNow Ventures, MongoDB Ventures, Snowflake Ventures, Databricks Ventures, as well as existing investors Andreessen Horowitz and Menlo Ventures.

OpenRouter's co-founder and CEO, Alex Atallah, stated that the company will use the new funds to continue expanding, including hiring more engineers and launching more products.

Founded in 2023, OpenRouter's primary business is to help enterprises access and switch between models from multiple providers through a single interface. The platform has already integrated over 400 models, covering major providers such as Anthropic, Google, OpenAI, xAI, DeepSeek, and serves over 8 million global users, including a large number of AI-native startups and large enterprises.

Currently, its platform processes 250 trillion tokens per week, a fivefold increase from the 50 trillion tokens six months ago, approaching 100 trillion tokens on a monthly basis. OpenRouter disclosed that in the past week, the most frequently used models by customers are from Chinese company DeepSeek and Tencent's open-source model, followed by Anthropic's Claude 4.7 Opus.

Content is for reference only, not financial advice.

OpenRouter Completes $113 Million Series B Funding Round, with a Post-investment Valuation of Approximately $1.3 Billion · nashnova