New York-based AI SaaS company OpenRouter (openrouter.ai) announced in May 2026 that it had completed a $113 million Series B funding round. The round was led by CapitalG, with participation from venture capital firms affiliated with NVIDIA, ServiceNow, MongoDB, Snowflake, Databricks, and existing investors including a16z and Menlo Ventures. The post-money valuation reached $1.3 billion, making it a new AI infrastructure unicorn.
OpenRouter positions itself as a unified API gateway for large models, connecting over 400 mainstream AI models from more than 60 providers globally through a single interface. It is compatible with the OpenAI SDK, supports intelligent routing, failover, and refined data strategies, balancing low latency, high availability, and cost control.
With over 8 million users and processing 100 trillion tokens monthly, the platform’s weekly processing volume has surged from 5 trillion to 25 trillion in the past six months, demonstrating rapid growth. This round of funding will be used to expand distributed computing power, upgrade intelligent agent tools, and improve enterprise-level compliance and multimodal capabilities, solidifying the infrastructure foundation for the multi-model era.
This financing confirms that the AI industry is shifting from single-model to multi-model collaboration, making unified scheduling gateways a necessity. OpenRouter is poised to further solidify its position as a global AI model traffic hub.
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