Kiro

Kiro is an agentic IDE from AWS built around spec-driven development, turning requirements into designs and task lists before code is written.

Overview

Kiro is a purpose-built agentic development environment introduced by AWS that emphasizes structured specs over pure vibe coding. Describe a feature and Kiro produces living documents: a requirements file, a design file, and a task breakdown that the agent then executes one task at a time. Steering files let teams codify project conventions so every generated change follows house rules. Hooks automate routine work, such as updating documentation or running checks whenever certain events occur.

Kiro’s bet is that documentation and planning artifacts are worth the extra ceremony because they make agent output reviewable. Each feature arrives with requirements, design, and tasks attached, which shortens human review and provides a record for compliance-minded organizations.

Developers who dislike spec overhead can still use the inline chat and completion features, so the structured workflow is a mode of operation rather than a mandatory tax on every change.

Because specs live with the code, they double as documentation for future maintainers, a practical benefit beyond the agent workflow itself.

Key Features

• Spec-driven workflow that generates requirements, design, and task documents for each feature
• Agent mode that executes tasks sequentially with visible progress and checkpoints
• Steering files for project-specific rules, architecture, and documentation standards
• Hooks that trigger automated actions on file changes and agent events
• Inline chat and completion alongside the agent workflow
• AWS integration and enterprise controls for teams on the Amazon cloud

Pricing

Kiro offers a free trial tier with a monthly quota of agent and model usage, plus paid subscription plans per user that unlock higher quotas and premium models. Enterprise agreements are available through AWS.

Who Is It For

Teams that want AI-generated code to come with design artifacts and reviewable plans, especially organizations already standardized on AWS that need governance around agent output.

Teams report that spec artifacts also improve onboarding, since new members can read intent rather than infer it from diffs.

FAQ

Is Kiro free to use?

A limited free tier is available for evaluation, while sustained daily use requires a paid subscription plan.

Does Kiro offer an API?

Kiro is distributed as a desktop IDE; it integrates with AWS services and standard developer tooling rather than exposing a standalone coding API.

How does Kiro compare to alternatives?

Kiro’s spec-first approach differentiates it from free-form agents like Cursor and Cline, trading some spontaneity for traceability and documentation that enterprise reviewers appreciate.