
Windsurf (formerly Codeium / Exafunction Inc.)
Series C (acquired by Cognition in 2025)Raised $243M at $1.25B (Series C, Aug 2024) valuation
Founded 2021Mountain View, California, USA200-350 employees
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.
Key Metrics
Total Funding
$243MFounded
2021Team Size
200-350Headquarters
Mountain View, California, USAValuation
$1.25B (Series C, Aug 2024)Stage
Series C (acquired by Cognition in 2025)Founders
Funding Rounds
| Round | Date | Amount | Investors |
|---|---|---|---|
| Seed | 2021 | Undisclosed | Greenoaks |
| Series A | Apr 2022 | $25M | Greenoaks |
| Series B | Jan 2024 | $65M | Kleiner PerkinsGreenoaksGeneral Catalyst |
| Series C | Aug 2024 | $150M | General CatalystKleiner PerkinsGreenoaks |
Investors
General CatalystKleiner PerkinsGreenoaks