Last updated: 2026-01-15

Windsurf vs Kiro

Detailed comparison of features, performance, and use cases
91/100

Windsurf

An AI-powered code editor focused on agentic workflows, multi-file editing, and in-editor refactoring.
AI-Native DevelopmentLarge CodebasesAgentic Workflows

Quick Verdict

Windsurf excels at ai-native development and large codebases with a score of 91/100. Windsurf competes in the Cursor-class editor category with an emphasis on agentic workflows.

85/100

Kiro

AWS's spec-driven agentic IDE that transforms natural language into structured requirements, designs, and tasks—enabling autonomous AI agents to work for hours or days with persistent context.
Agentic WorkflowsSpec-Driven DevelopmentEnterprise DevelopmentAWS IntegrationLong-Running Tasks

Quick Verdict

Kiro excels at agentic workflows and spec-driven development with a score of 85/100. Kiro represents AWS's strategic entry into agentic coding, differentiated by its unique spec-driven development approach.

📊 Visual Score Comparison

Side-by-side comparison of key performance metrics across six evaluation criteria

Technical Specifications

Feature Windsurf Kiro
Core AI Model(s) Not specified Claude Sonnet 4.5 as primary model, with Auto mode that combines frontier models with prompt caching to optimize quality, latency, and cost.
Context Window Not specified Large context support through Claude Sonnet 4.5. Persistent context across sessions enables multi-day autonomous work without losing project understanding.
Deployment Options Not specified Standalone IDE (Code OSS-based) for macOS, Windows, Linux. CLI available for macOS and Linux. No AWS account required—sign in with GitHub, Google, AWS Builder ID, or IAM Identity Center.
Offline Mode Not specified Cloud-based, requires internet connection. Core agentic features depend on cloud AI inference.

Core Features Comparison

Windsurf Features

  • Agentic workflows for multi-step tasks
  • Context-aware code completion and refactoring
  • Multi-file edits and project-wide reasoning
  • Native editor experience with low-latency responses

Kiro Features

  • Spec-driven development with auto-generated requirements.md, design.md, and tasks.md
  • Autonomous agent that works for hours/days with persistent context
  • Kiro Powers for dynamic context activation (Stripe, Figma, Datadog)
  • Property-based testing (PBT) to verify code matches specifications
  • Native MCP (Model Context Protocol) integration
  • Agent hooks for automated documentation and testing on file events
  • Multimodal chat supporting images and UI designs
  • Agent steering files for project-specific customization

Pricing & Value Analysis

Aspect Windsurf Kiro
Pricing URL View Windsurf Pricing View Kiro Pricing
Overall Score 91/100 85/100
Best For AI-Native Development, Large Codebases, Agentic Workflows Agentic Workflows, Spec-Driven Development, Enterprise Development, AWS Integration, Long-Running Tasks

Best Use Cases

Windsurf Excels At

  • Multi-file feature development with agent-guided refactors
  • Complex codebase changes coordinated across modules
  • Rapid iteration with in-editor AI for generation and fixes

Kiro Excels At

  • Converting product requirements into structured specs and implementation plans before writing any code—ensuring alignment between stakeholders and developers
  • Running autonomous agents on complex features overnight, returning to completed implementations with full audit trails of decisions made
  • Enterprise development where compliance requires traceable specifications that map directly to generated code artifacts

Performance & Integration

Category Windsurf Kiro Winner
IDE Support Multiple IDEs supported Kiro is a standalone IDE based on Code OSS. Supports VS Code settings import, Open VSX extensions, and existing themes. CLI available for terminal workflows. Tie
Community Limited community Active community Tie
Data Richness Basic Comprehensive Kiro
Overall Score 91/100 85/100 Windsurf

The Bottom Line

Both Windsurf and Kiro are capable AI coding tools, but they serve different needs. Windsurf scores higher (91/100 vs 85/100) and excels in ai-native development and large codebases. The choice depends on your specific workflow, team size, and technical requirements.

Choose Windsurf if: you prioritize ai-native development and large codebases and want the higher-rated option (91/100).

Choose Kiro if: you prioritize agentic workflows and spec-driven development and don't mind a slightly lower score for specialized features.

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