Windsurf (formerly Codeium / Exafunction Inc.)
Series C (acquired by Cognition in 2025)Raised $243M at $1.25B (Series C, Aug 2024) valuation
About Windsurf (formerly Codeium / Exafunction Inc.)
Windsurf is an AI-powered development environment (IDE) formerly known as Codeium. Founded as Exafunction for GPU optimization, it pivoted to AI coding tools in 2022. In 2025, Google hired its founders for $2.4B and Cognition acquired the remaining business. Founded in 2021 and headquartered in Mountain View, California, USA, Windsurf (formerly Codeium / Exafunction Inc.) has raised a total of $243M in funding and is currently at the Series C (acquired by Cognition in 2025) stage. Notable investors include General Catalyst, Kleiner Perkins, Greenoaks.
Total Funding
$243M
Valuation
$1.25B (Series C, Aug 2024)
Employees
200-350
Founded
2021
Windsurf (formerly Codeium / Exafunction Inc.) — Key Facts
| Company | Windsurf (formerly Codeium / Exafunction Inc.) |
|---|---|
| Product | Windsurf |
| Founded | 2021 |
| Headquarters | Mountain View, California, USA |
| Employees | 200-350 |
| Funding status | Venture-backed |
| Total funding | $243M |
| Valuation | $1.25B (Series C, Aug 2024) |
| Stage | Series C (acquired by Cognition in 2025) |
| Founders | Varun Mohan, Douglas Chen |
| Website | windsurf.com |
Founders
Funding Rounds
- SeedUndisclosed2021Greenoaks
- Series A$25MApr 2022Greenoaks
- Series B$65MJan 2024Kleiner PerkinsGreenoaksGeneral Catalyst
- Series C$150MAug 2024General CatalystKleiner PerkinsGreenoaks
Investors
Company Profiles
Windsurf (formerly Codeium / Exafunction Inc.) — Frequently Asked Questions
Who owns Windsurf?
Windsurf is developed by Windsurf (formerly Codeium / Exafunction Inc.), headquartered in Mountain View, California, USA.
Who founded Windsurf (formerly Codeium / Exafunction Inc.)?
Windsurf (formerly Codeium / Exafunction Inc.) was founded by Varun Mohan and Douglas Chen in 2021.
How much funding has Windsurf (formerly Codeium / Exafunction Inc.) raised?
Windsurf (formerly Codeium / Exafunction Inc.) has raised $243M and is at the Series C (acquired by Cognition in 2025) stage. Investors include General Catalyst, Kleiner Perkins, Greenoaks.
How many employees does Windsurf (formerly Codeium / Exafunction Inc.) have?
Windsurf (formerly Codeium / Exafunction Inc.) has approximately 200-350 employees.
Where is Windsurf (formerly Codeium / Exafunction Inc.) headquartered?
Windsurf (formerly Codeium / Exafunction Inc.) is headquartered in Mountain View, California, USA.
