How much funding has OpenRouter raised?

OpenRouter has raised $188.0M in total funding, most recently a Series B round.

Who are OpenRouter's investors?

OpenRouter's investors include Andreessen Horowitz, Menlo Ventures, CapitalG, Alphabet, Sequoia Capital.

When was OpenRouter founded?

OpenRouter was founded in 2023.

Where is OpenRouter headquartered?

OpenRouter is headquartered in New York, New York, Remote.

What industry is OpenRouter in?

OpenRouter operates in Infrastructure, Artificial Intelligence.

OpenRouter

One API for Any Model

New York, Remote · Founded 2023 · $188.0M raised

Infrastructure

Artificial Intelligence

Headquarters: New York, New York
Employees: 1–10
Founded: 2023
Business Model: B2B

Website: openrouter.ai
Total Funding: $188.0M
Last Round: $113.0M Series BMay 2026
Rounds: 8

About

OpenRouter is a unified AI gateway that provides developers and enterprises access to 300+ large language models from 60+ providers through a single API endpoint. Founded in early 2023, it has grown to serve over 5 million global users and processes 30 trillion tokens monthly. The platform eliminates vendor lock-in by offering better prices, higher uptime, and automatic fallback routing across model providers. Backed by Andreessen Horowitz, Menlo Ventures, and Sequoia Capital, OpenRouter raised $40 million to become the largest AI model marketplace for developers.

Summary

OpenRouter is an Infrastructure company based in New York, Remote, founded in 2023. It has raised $188.0M in total across 8 rounds, most recently a $113.0M Series B round in May 2026. Investors include Andreessen Horowitz, Menlo Ventures and CapitalG.

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