coding

Windsurf

by Cognition AI

Windsurf is an agentic AI-first IDE originally built by Codeium (formerly Exafunction), featuring the Cascade agentic AI system that can autonomously plan, edit, and execute multi-file coding tasks with deep codebase awareness. It ships a proprietary coding model (SWE-1.5) optimized for software engineering tasks and competes directly with Cursor as one of the leading AI code editors. Codeium/Windsurf was acquired by Cognition AI (makers of Devin) for approximately $250M in December 2025.

8 Overall Score

Scores

Capability
9
Ease of Use
8
Documentation
7
Reliability
7
Value
8
Momentum
9

Details

Status
active
Pricing
freemium
Launch Date
2024-11
Last Updated
2026-03-15

Key Features

  • Cascade agentic AI system for autonomous multi-file coding tasks
  • Proprietary SWE-1.5 model fine-tuned for software engineering
  • Deep codebase context and awareness across large repos
  • Credit-based predictable pricing model
  • Multi-model support including Claude and other frontier models

Tech Stack

TypeScriptElectronVS CodePythonSWE-1.5 (proprietary model)