What Is Windsurf AI?
Windsurf is an agentic AI coding IDE an editor built around an AI agent that can read your whole codebase, make changes across multiple files, run commands, and fix its own errors. Its flagship agent is called Cascade, and it goes well beyond the autocomplete that older AI coding tools offered.
Built on a fork of VS Code, Windsurf feels familiar to most developers immediately while adding a deep layer of AI assistance. It was formerly known as Codeium (and before that, Exafunction), and it competes head-to-head with Cursor and GitHub Copilot in the fast-growing AI coding space.
It suits everyone from beginners trying “vibe coding” describing what they want in plain language to experienced engineers shipping production code faster.
What Happened to Windsurf AI?
This is the question most people arrive with, and the answer is one of the strangest stories in recent AI history. In 2026, OpenAI was reportedly on the verge of buying Windsurf for around $3 billion. Then it collapsed reportedly because Microsoft, OpenAI’s largest backer, would have gained access to Windsurf’s intellectual property, a dealbreaker.
Within hours, Google stepped in. It paid $2.4 billion to license Windsurf’s technology and hire CEO Varun Mohan, co-founder Douglas Chen, and key engineers a “reverse-acquihire” that took the brains without buying the company. Days later, Cognition, the maker of the Devin coding agent, acquired what remained: the product, brand, IP, and roughly 250-person team.
So the short version: OpenAI walked away empty-handed, Google took the founders, and Cognition took the product. Jeff Wang was promoted to CEO of the Windsurf that continues today.
Windsurf was nearly OpenAI’s crown jewel. Google took its crown. Cognition took the kingdom.
Is Windsurf Still Worth Using?
Yes the product didn’t vanish with its founders. Under Cognition, Windsurf continues as an actively developed IDE, and Cognition’s own agent expertise (from Devin) arguably makes it a natural home. The upheaval is a real consideration for a long-term enterprise commitment, but for day-to-day coding, Windsurf remains one of the strongest AI IDEs available.
Key Windsurf AI Features
- Cascade Agent Multi-File, Multi-Step Coding
- Cascade reads your entire codebase, builds a working model of how files relate to each other, and executes multi-step plans creating files, editing existing code, and iterating on its own output without constant prompting.
- Agentic Actions Commands, Dependencies, Self-Correction
- Beyond writing code, Cascade runs terminal commands, installs dependencies, and catches and fixes its own errors mid-task, closer to a junior developer executing a plan than an autocomplete tool.
- VS Code Foundation Familiar Editor, Broad Compatibility
- Because Windsurf is built on a VS Code fork, most existing VS Code extensions and language support carry over, so developers switch without relearning their environment.
- In-line Autocomplete Plus Conversational Chat
- Windsurf combines fast, predictive Tab-style autocomplete with a full conversational assistant in one interface, so quick edits and complex requests both stay in the same window.
- Codebase-Wide Context Awareness
- Rather than reasoning file-by-file, Cascade tracks context across the whole project file relationships, architectural patterns, and recent edits so suggestions stay consistent at project scale.
- Natural-Language Coding
- Developers can describe a change in plain English “add pagination to this API” and Cascade plans and builds the implementation directly, lowering the barrier for less code-heavy team members.
Who Should Use Windsurf AI?
Best suited for: developers wanting an agentic IDE that handles multi-file work, beginners trying AI-assisted coding, and teams already comfortable in a VS Code-style editor.
Not ideal for: developers who prefer a lightweight autocomplete plugin over a full IDE switch, and enterprises that need absolute certainty about long-term vendor ownership before committing.
Imperial AI Tools Feedback
Set the corporate drama aside and Windsurf is simply a very good AI coding tool. The Cascade agent’s ability to work across a whole codebase not just complete the current line is where agentic IDEs earn their keep, and Windsurf does it with a clean, approachable workflow that beginners and pros both get on with. On the VS Code base, it feels familiar from the first minute.
The honest caveat is stability of ownership, not stability of the software. The 2025 saga saw the founders leave for Google and the product land with Cognition inside a single week. Cognition is a serious, well-funded home with deep coding-agent expertise, so this isn’t a red flag but an enterprise signing a multi-year deal should factor the recent upheaval into its planning.
Our view: one of the best agentic AI IDEs available, and a strong Cursor alternative. Use the free tier to see if the Cascade workflow fits how you build, and judge it on the code it writes, not the headlines it made.
Suggestions For Improvement
- Communicate the post-Cognition roadmap clearly to reassure enterprise buyers.
- Keep pricing transparent as ownership and strategy settle.
- Maintain feature parity with Cursor as competition intensifies.
- Publish clear guidance on data handling for codebases.
- Offer stronger onboarding for developers new to agentic coding.
