Windsurf Review 2026: Agentic AI IDE by Cognition

What Is Windsurf?

Windsurf is an AI-first IDE and direct competitor to Cursor, featuring Cascade — an agentic assistant that navigates your codebase and makes multi-file changes. Now owned by Cognition (the company behind Devin) after a July 2025 acquisition, with Google separately hiring the founding team in a $2.4B talent deal.

What Sets It Apart

Windsurf’s primary appeal is offering a full agentic AI IDE experience at a lower price point than Cursor. The Pro plan at $15/mo (500 credits) undercuts Cursor’s $20/mo, and the free tier is genuinely usable: 25 premium credits per month, unlimited Cascade Base in Write mode, unlimited fast Tab completions, and access to all premium models including GPT-4.1 and o4-mini (which cost only 0.25 credits per prompt). That makes it one of the strongest free tiers among AI IDEs.

Cascade, the built-in agent, handles multi-step coding tasks: navigating your project, planning changes, and editing multiple files. It works reliably for straightforward tasks like adding features, fixing bugs, and implementing known patterns. On more complex multi-step refactors spanning many files, Cascade can occasionally lose context — an area where Cursor’s Composer tends to be more consistent.

The UI is well-designed with clear status indicators during AI operations, easy-to-review diffs, and a modern editing experience. Windsurf also supports multiple AI models including Claude, GPT, Gemini, and DeepSeek, and is available as both a standalone IDE (VS Code fork) and as a plugin for JetBrains editors.

Under Cognition’s ownership, Windsurf is now a sibling product to Devin, the autonomous coding agent. The relationship between these products continues to evolve. The community is smaller than Cursor’s, which means fewer third-party tutorials and resources, but the product ships updates frequently and stability has improved steadily since launch.

Who It’s For

• Developers who want an AI IDE with agentic capabilities at a lower price than Cursor
• Developers evaluating AI IDEs for the first time via a usable free tier
• Teams that want a self-contained AI development environment with multi-model support
• Not ideal for developers who need the most consistent multi-file editing or who depend on a large community ecosystem

Sources

• Windsurf
• Documentation
• Pricing