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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
$243M
Founded
2021
Team Size
200-350
Headquarters
Mountain View, California, USA
Valuation
$1.25B (Series C, Aug 2024)
Stage
Series C (acquired by Cognition in 2025)

Founders

Varun Mohan

Co-Founder & CEO (now at Google DeepMind)

Douglas Chen

Co-Founder (now at Google)

Funding Rounds

RoundDateAmountInvestors
Seed2021Undisclosed
Greenoaks
Series AApr 2022$25M
Greenoaks
Series BJan 2024$65M
Kleiner PerkinsGreenoaksGeneral Catalyst
Series CAug 2024$150M
General CatalystKleiner PerkinsGreenoaks

Investors

General CatalystKleiner PerkinsGreenoaks

Company Profiles

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