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Windsurf

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Enterprise AI IDE with proprietary SWE-1.5 model for deep codebase understanding

Updated Nov 27, 2025
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About

Windsurf is an AI IDE originally created by Exafunction as the evolution of Codeium (rebranded April 2025) and acquired by Cognition AI (creators of Devin) in July 2025. Features the Cascade agentic chat for conversational coding and a context-awareness engine that indexes your codebase for personalized suggestions. It offers AI Codemaps for visual codebase navigation, Fast Context for rapid understanding of large projects. Now supports frontier models including Claude Opus 4.5, Gemini 3 Pro, and GPT-5.1 (added November 2025). Designed for professional teams working with complex, multi-file codebases.

Key Features

  • Cascade agentic chat for conversational coding
  • Codebase indexing for personalized suggestions
  • AI Codemaps for visual codebase exploration
  • Fast Context for rapid project understanding
  • Support for Claude Opus 4.5, Gemini 3 Pro, GPT-5.1
  • Deep multi-file codebase understanding
  • Intelligent refactoring across repositories
  • Enterprise security and compliance
  • Advanced debugging capabilities

Use Cases

  • Managing large enterprise codebases
  • Complex multi-file refactoring projects
  • Understanding unfamiliar legacy code
  • High-performance development workflows
  • Team collaboration on complex projects
  • Enterprise software development

Technical Details

Languages

JavaScriptTypeScriptPythonJavaC++C#GoRustRubyPHP

AI Models

Claude Opus 4.5Gemini 3 ProGPT-5.1GPT-4Claude 3.5 Sonnet

Integrations

GitGitHubGitLabBitbucketDockerKubernetes

Frequently Asked Questions

What is Windsurf?

Windsurf is an AI IDE originally created by Exafunction as the evolution of Codeium (rebranded April 2025) and acquired by Cognition AI (creators of Devin) in July 2025. Features the Cascade agentic chat for conversational coding and a context-awareness engine that indexes your codebase for personalized suggestions. It offers AI Codemaps for visual codebase navigation, Fast Context for rapid understanding of large projects. Now supports frontier models including Claude Opus 4.5, Gemini 3 Pro, and GPT-5.1 (added November 2025). Designed for professional teams working with complex, multi-file codebases.

How much does Windsurf cost?

Windsurf offers paid pricing. Plans include: Pro: $15/month.

What programming languages does Windsurf support?

Windsurf supports 13+ programming languages including JavaScript, TypeScript, Python, Java, C++, C#, Go, Rust, Ruby, PHP.

What AI models does Windsurf use?

Windsurf is powered by Claude Opus 4.5, Gemini 3 Pro, GPT-5.1, GPT-4, Claude 3.5 Sonnet.

What platforms does Windsurf support?

Windsurf is available on macOS, Linux, Windows.

What can Windsurf do?

Windsurf provides code completion, code generation, debugging, AI chat, agentic/autonomous mode. Key features include: Cascade agentic chat for conversational coding, Codebase indexing for personalized suggestions, AI Codemaps for visual codebase exploration.

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Pricing

Pro

$15/month
  • SWE-1.5 proprietary model access
  • AI Codemaps for visual navigation
  • Fast Context technology
  • Multi-file understanding
  • 13x faster than Sonnet 4.5 (SWE-bench)
  • Enterprise-grade security

Company

Name
Windsurf (acquired by Cognition AI, July 2025)
Founded
2021 (as Exafunction/Codeium)
Location
San Francisco, CA
Users
Enterprise users

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