What is Kiro?
Kiro is an agentic AI development platform designed to enhance developer productivity through spec-driven development. It transforms natural language prompts into structured requirements and executable specifications, enabling precise implementation of complex features across codebases. The platform integrates advanced AI agents that autonomously handle tasks like bug fixes, documentation generation, and code optimization while maintaining developer control.
Operating through both a dedicated IDE and CLI, Kiro supports multimodal inputs, including images for UI design guidance, and offers features like agent hooks for automated task execution. It provides enterprise-grade security, compatibility with VS Code settings, and flexible model options including Claude Sonnet 4.5 and Auto for optimized performance. Kiro helps teams reduce development time, improve code quality, and streamline workflows from prototype to production.
Features
- Spec-Driven Development: Transforms natural language prompts into structured requirements and acceptance criteria using EARS notation
- Advanced AI Agents: Autonomous agents that fix bugs, generate documentation, and optimize code performance
- Multimodal Input Support: Accepts images of UI designs or architecture diagrams to guide implementation
- Agent Hooks: Automates tasks in the background based on predefined triggers like file saves
- Native MCP Integration: Connects to docs, databases, and APIs for enhanced context management
- VS Code Compatibility: Supports Open VSX plugins, themes, and settings in an AI-ready environment
- Credit Usage Tracking: Real-time display of credit consumption per prompt for cost control
- Autopilot Mode: Allows autonomous execution of large tasks without step-by-step instructions
Use Cases
- Accelerating feature development from concept to working prototype
- Automating bug fixes and error diagnostics in complex codebases
- Generating documentation and unit tests automatically through agent hooks
- Building secure applications with encryption and security best practices
- Creating video games or applications from scratch with minimal coding knowledge
- Optimizing code performance and architecture design systematically
- Drafting Terraform modules and cloud infrastructure configurations
- Learning new programming languages or tech stacks with AI assistance
FAQs
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What programming languages does Kiro support?
Kiro supports various programming languages including Python, Java, JavaScript, TypeScript, C#, Go, Rust, PHP, Ruby, Kotlin, C, C++, shell scripting, SQL, Scala, JSON, YAML, and HCL. -
Can I import settings from my existing IDE?
Yes, Kiro is based on Code OSS, allowing users to import VS Code settings, themes, and Open VSX compatible plugins during the onboarding process. -
What models does Kiro use under the hood?
Kiro uses Auto by default, which combines frontier models like Sonnet 4.5 with specialized models for tasks like intent detection and caching. Users can also choose Sonnet 4, Sonnet 4.5, Haiku 4.5, Opus 4.5, or Opus 4.6 exclusively. -
How does the free trial work?
New users receive 500 bonus credits usable within 30 days when signing up via social login or Builder ID, applicable to any plan including Kiro Free. -
What is a credit and how is it used?
A credit is a unit of work for user prompts, with simple prompts consuming less than 1 credit and complex tasks costing more. Credits are used for prompts in vibe or spec mode, spec refinement, task execution, and agent hook execution.
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Kiro Uptime Monitor
Average Uptime
100%
Average Response Time
62.53 ms
