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Kiro

Free tier

Move beyond AI coding to agentic engineering

Free tier available·All audiences·Powered by Multiple: Anthropic (Claude), OpenAI (GPT), DeepSeek, MiniMax, GLM, Qwen (open-weight)·API available
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Key strengths

Spec-driven development (prompts → requirements → architecture → tasks)Parallel agentic implementation (local and cloud)Property-based testing to catch edge cases missed by unit testsAutomated reasoning to check requirements for contradictions and gapsMulti-model support (Auto, Claude, GPT, open-weight models)Enterprise-grade security built on AWS infrastructureHeadless CLI for CI/CD integrationMCP and ACP compatibilityHooks for automated background tasks
Free tier + paid plans · from $20 USD/mo
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Kiro — Technical Overview

Tagline: Move beyond AI coding to agentic engineering

Kiro is a freemium agentic engineering platform designed for developers and engineering teams. It goes beyond standard AI code completion by introducing spec-driven development: natural-language prompts are automatically expanded into structured requirements, architecture plans, and discrete implementation tasks before a single line of code is written.

Architecture & Model Support

Kiro is multi-model by design, routing work across providers including Anthropic (Claude), OpenAI (GPT), DeepSeek, MiniMax, GLM, and Qwen (open-weight). An Auto mode selects the optimal model per task. The platform is built on AWS infrastructure, providing enterprise-grade security guarantees.

Agentic Capabilities

  • Parallel agentic implementation — agents execute tasks locally and in the cloud simultaneously.
  • Hooks — trigger automated background tasks on configurable events.
  • Headless CLI — integrates Kiro directly into CI/CD pipelines.
  • MCP & ACP compatibility — supports the Model Context Protocol and Agent Client Protocol for interoperability with external agents and tooling.

Testing & Reasoning

  • Property-based testing catches edge cases that unit tests miss.
  • Automated reasoning checks requirement sets for internal contradictions and coverage gaps before implementation begins.

Integrations

Figma, Terraform, MCP, ACP, Open VSX extensions, VS Code settings, bash, zsh, fish, and CI/CD pipelines.

API

A public API is available for programmatic access and automation workflows.

Pricing

TierPriceCredits
Free$0/month50 credits
Pro$20/user/month1,000 credits
Pro+$40/user/month2,000 credits
Pro Max$100/user/month5,000 credits
Power$200/user/month10,000 credits

Add-on credits are available at $0.04/credit on paid plans. An Enterprise plan is also available.