OpenRouter
A router for LLMs. 120+ models, explorable data, and open-source inference.
OpenRouter
A router for LLMs. 120+ models, explorable data, and open-source inference.
TL;DR
Founded: 2023
Product: Unified API/router for large language models (one API to access many models and providers)
Funding: Total ~$40M; Series A on 2025-06-25 (lead investors: Andreessen Horowitz, Menlo Ventures)
Founders: Alex Atallah (CEO) and Louis Vichy (Co‑founder)
Team size: 19 employees
Scale claims: 30T monthly tokens; 5M+ users; 60+ providers; 300+ models (company claims)
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Company Overview
Problem Domain
LLM access, routing, and gateway for developer applications (reducing multi-provider integration complexity)
Founded
2023
Industry
Data and Analytics
Tech Stack
Funding Track Record
32000000 USD
Dealroom lists the Series A amount at $32.0M; Dealroom also reports a combined $40.0M across Seed and Series A.
Investor Signal
“Backed by venture firms including Andreessen Horowitz, Menlo Ventures, Sequoia Capital, and Transpose Platform Management”