Kiro

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Kiro helps developers and teams do their best work: turn prompts into executable specs, validate code correctness to find bugs unit tests miss, and build across large codebases with parallel agents that learn from every session.

Our take

Last updated 21 October 2026

Kiro is an agentic coding environment from AWS (you sign in with AWS Builder ID or a social login). It leads with spec-driven work: turn a prompt into an executable spec, check code correctness, and run parallel agents across a large codebase. The free tier has 50 credits; paid tiers run from $20 to $200 per user a month with $0.04 add-on credits. Amazon's own Q Developer page now points IDE-plugin users to Kiro.

Best for Developers who want an agentic IDE with specs and published credit pricing for a growing codebase.

Pros

  • A perpetual free tier with 50 credits and access to Claude Sonnet 4.5 and open-weight models, per the pricing page.
  • Specs, correctness checks and parallel agents are aimed at large codebases such as a growing game project.
  • Credit allowances and add-on credit prices are published for every plan.

Cons

  • It is a general coding tool; nothing on the pages we read is specific to Unity, Unreal or Godot.
  • Credits get used up faster on bigger tasks, so heavy users will buy add-ons or move up a tier.
  • Some premium models are not available in every country, per the pricing notes.

Written from the vendor's official site and docs, not a hands-on benchmark. How we review tools.

CategoryCode & Engines
PricingFree plan $0/mo with 50 credits; Pro $20/user/mo (1,000 credits), Pro+ $40 (2,000), Pro Max $100 (5,000), Power $200 (10,000); add-on credits $0.04 each on paid plans — official pricing
Websitehttps://kiro.dev/
Last checked2026-10-21

Description taken from the tool's official website meta description; pricing from the official pricing page.

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