Exafunction, Inc.
Exafunction, Inc., now operating as Windsurf, is a Mountain View-based AI software company that developed the Windsurf Editor—the first AI-native integrated development environment (IDE) designed to keep developers in a state of flow by combining agentic intelligence with real-time collaboration tools. Formerly known as Codeium, the company was acquired by OpenAI in May 2025 for approximately $3 billion.
2 AI Tools by Exafunction, Inc.

Code Review
Windsurf Live
Real-time collaborative coding platform with AI-assisted pair programming and flow state optimization

AI Coding Assistants
Windsurf
Advanced AI-powered coding assistant and IDE with agentic capabilities and contextual awareness
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Exafunction, Inc. AI Topics
Exafunction, Inc. focuses on these topics: AI Coding Assistants (2 tools), Development Environments (1 tool), UX Design (1 tool), Code Review (1 tool) and Business Intelligence (1 tool).