# Alex Atallah

> Alex Atallah is the CEO and co-founder of OpenRouter, the unified API and marketplace that routes developer requests across hundreds of large language models. He previously co-founded OpenSea, the NFT marketplace, where he was CTO before leaving in 2022 to build from zero to one again. A Stanford computer scientist and Palantir alum, he turned a side project that connected browsers to AI models into infrastructure now routing roughly 25 trillion tokens a week, and raised a $113M Series B in 2026.

- **Role:** CEO & Co-Founder at OpenRouter
- **Organizations:** OpenRouter, OpenSea, Palantir Technologies, Whatsgoodly
- **Nationality:** American
- **Education:** Computer Science (HCI, game theory coursework), Stanford University
- **Known for:** Co-founded OpenSea, the first and largest NFT marketplace, Forbes 30 Under 30 (Finance, 2022), Co-founded and leads OpenRouter, routing ~25 trillion tokens per week across hundreds of models

## Career timeline

- **pre-2017** — Forward Deployed Engineer at Palantir Technologies; CTO of Whatsgoodly
- **2017** — Built Wificoin, a WiFi-sharing crypto hackathon project that seeded the idea for OpenSea
- **2018** — Co-founded OpenSea with Devin Finzer; served as CTO during its rapid growth
- **2022** — Named to Forbes 30 Under 30 (Finance) for OpenSea; stepped down as CTO in July to build something new, staying on the board
- **2023** — Released Window AI browser extension; co-founded OpenRouter with Louis Vichy
- **2025** — OpenRouter raised $40M led by Andreessen Horowitz and Menlo Ventures, with Sequoia participating
- **2026** — Raised $113M Series B led by CapitalG with NVentures; weekly volume hits ~25 trillion tokens, 8M+ users

## Achievements

- Co-founded OpenSea, the first and largest NFT marketplace
- Forbes 30 Under 30 (Finance, 2022)
- Co-founded and leads OpenRouter, routing ~25 trillion tokens per week across hundreds of models
- Raised a $113M Series B in 2026 from CapitalG, NVentures and others; ~$153M total raised
- Built window.ai, an open-source browser extension (~1k GitHub stars) letting users bring their own AI models to the web

## Latest updates

- **2026-05** — OpenRouter raised a $113M Series B led by CapitalG with participation from Nvidia's NVentures, ServiceNow, MongoDB, Snowflake, Databricks, a16z and Menlo; weekly volume reached ~25 trillion tokens and 8M+ users.

## Links

- Website: https://alexatallah.com
- LinkedIn: https://www.linkedin.com/in/alexatallah/
- Twitter/X: https://x.com/xanderatallah
- GitHub: https://github.com/alexanderatallah

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Profile page: https://yespress.io/alex-atallah
Published by YesPress — https://yespress.io
Last updated: 2026-06-04