OpenRouter raises $113M Series B
OpenRouter raises $113M Series B led by CapitalG, with backing from infrastructure and platform companies including NVIDIA Ventures, ServiceNow, MongoDB, Snowflake, and Databricks.
OpenRouter announced a $113M Series B funding round led by Alphabet's CapitalG, with participation from major infrastructure vendors (NVIDIA Ventures, ServiceNow Ventures, MongoDB Ventures, Snowflake Ventures, Databricks Ventures) alongside existing investors Andreessen Horowitz and Menlo Ventures.
The company has grown weekly token volume from 5 trillion to 25 trillion tokens over six months and serves 8M+ developers across 400+ models. OpenRouter functions as a routing and gateway layer between agents and model providers, handling multi-model routing, cost optimization, reliability, and compliance. Recent product additions include multimodal inference (image, audio, speech, transcription, embedding, video), enterprise controls (workspaces, spend management, guardrails, zero-data-retention policies), and intelligent routing with provider-level failover and latency optimization.
What HN community is saying
Users value OpenRouter primarily for unified API access across models without per-provider setup, consolidated billing, and spending caps that most providers lack. The 5% markup is justified by convenience and risk reduction, though some note that expensive model users might save money going direct to providers. Commenters identified alternatives like Vercel AI Gateway and Cloudflare's offering, though OpenRouter's broader model coverage and experimentation features differentiate it. Key concern: free model access likely feeds training data pipelines, creating a privacy tradeoff for users who cannot afford paid options.