Kiro is Amazon Web Services' product for coding with AI agents. Its editor is built on Code OSS and accepts VS Code settings and extensions. Its core idea is spec-driven development: instead of writing code right away, it first builds requirements, a technical design and a task list from your request, and then carries them out step by step. It also has command-line and web versions.

What is Kiro good for?#

  • Building a larger feature with a plan: you say you want a polling system and first get a requirements and design document that you review.
  • Organized teamwork: specs are stored in the project, and teammates can read the same documents.
  • Automation with hooks: each time a file is saved, tests or documentation can be updated automatically.
  • Project rules with steering: you write your team's coding standards once and the agent follows them.
  • Parallel tasks: several agents work at the same time on separate jobs.

Strengths and weaknesses#

Strengths:

  • The spec-driven flow is more orderly than unplanned code for serious projects.
  • Documentation and decisions stay inside the project.
  • Compatible with VS Code settings and extensions.
  • Supports MCP and AWS services.

Weaknesses:

  • For small, quick jobs the requirements and design steps are cumbersome.
  • Pricing is credit-based, and heavy use can get expensive.
  • The product is relatively new and its features change quickly.
  • Access is difficult from Iran.

Free version and pricing#

You can sign up and try it with limited credit, but serious use means credit-based subscription plans. Check the official site for current terms and prices.

Language support and access from Iran#

The models understand Persian to a degree, but English is more precise for programming instructions. The site and service usually need a VPN from Iran. Signing in with accounts such as GitHub or Google is possible and an AWS account isn't required, but sanctions can still limit access.

Kiro alternatives#

  • Cursor: a popular agent editor with a faster, less formal experience.
  • Windsurf: an agent editor with a smooth workflow and the Cascade agent.
  • GitHub Copilot: code completion and an agent in common editors.
  • Claude Code: a command-line agent for working across a whole project.