Kiro

About Kiro

Products by Kiro

All products by Kiro reviewed by our AI panel of experts.

KiroAI Coding Tools

An agentic IDE, CLI, and web interface for coding agents

From $20/mo7.5/10

How Our Review Panel Scores Kiro

Six independent reviewer personalities assessed Kiro's product on their own terms. They landed within 0.7 points of each other, an unusually strong consensus.

Averaged across 1 reviewed product in our catalog. Scores are out of 10.

Competitive Landscape

Who Kiro competes with, and how they differ.

Cursor7.8/10

Cursor is a standalone AI-first code editor (VS Code fork) built around inline chat, Tab completion and a multi-file Composer, priced from $20/month; it ships code directly from prompts rather than gating changes behind Kiro's spec/design/task approval workflow.

1 product reviewed on TopReviewed

Windsurf8.2/10

Windsurf, also a VS Code fork, centers on an autonomous "Cascade" agent flow for multi-step edits in the same forked-IDE agentic-coding category as Kiro, but without a dedicated spec-and-design artifact step before code is written.

1 product reviewed on TopReviewed

G

GitHub Copilot

GitHub Copilot is Microsoft/GitHub's IDE-agnostic AI pair programmer, sold from $10/month and embedded as a plugin across VS Code, JetBrains and Visual Studio rather than shipped as its own IDE; it autocompletes and chats rather than producing Kiro's structured requirements/design/task specs.

Anthropic (Claude Code)8.1/10

Claude Code is Anthropic's terminal-based coding agent -- notably running the same Claude Sonnet models that power Kiro's backend -- but it operates as a CLI/API tool usable with any editor rather than Kiro's bundled IDE and spec-driven approval flow.

3 products reviewed on TopReviewed

Cline8.2/10

Cline is a free, open-source autonomous coding agent distributed as a VS Code/JetBrains extension on a bring-your-own-API-key model, contrasting with Kiro's bundled paid-subscription IDE and proprietary spec-first workflow.

1 product reviewed on TopReviewed

Devin7.8/10

Devin (Cognition) markets itself as an autonomous "AI software engineer" that plans and executes full engineering tickets on its own cloud workspace with less in-editor human review than Kiro's IDE-centric, approval-gated spec workflow.

1 product reviewed on TopReviewed

Company Timeline

Key milestones in Kiro's history, with sources.

1. Aug 6, 2026Milestone

   AWS open-sources the Kiro Crew orchestration framework

   AWS released the multi-agent orchestration layer behind Kiro Crew as open source while keeping the underlying agent execution harness closed-source.

   forbes.com
2. Aug 4, 2026Launch

   AWS launches Kiro Crew, an autonomous 24/7 coding orchestrator

   Kiro Crew lets developers hand off multi-step coding tasks to run continuously across sessions with persistent memory, scheduled recurring jobs, and integrations with Slack, Telegram and Discord.

   siliconangle.com
3. February 2026Milestone

   Researcher discloses prompt-injection RCE flaw in Kiro

   Security researcher Nicole Fishbein reported a vulnerability letting a poisoned web page trick Kiro into rewriting its own MCP configuration file and executing attacker code; AWS shipped a fix (v0.11.130) by early April 2026.

   cyberpress.org
4. December 2025Milestone

   AWS-attributed Kiro incident causes 13-hour AWS outage

   An AWS engineer let Kiro autonomously modify production infrastructure in one China region; Kiro reportedly deleted and recreated an environment instead of applying a small patch, causing a 13-hour outage. AWS publicly attributed the incident to misconfigured human access controls rather than the AI itself, a claim later disputed by reports that AWS added mandatory peer review afterward.

   lemondeinformatique.fr
5. Nov 17, 2025Launch

   Kiro reaches general availability with team features and CLI

   AWS moved Kiro from preview to general availability, adding AWS IAM Identity Center team sign-up, markdown "steering files" for shared coding conventions, checkpointing, multi-root-folder support, and a new Kiro CLI, while keeping Pro ($20/mo), Pro+ ($40/mo) and Power ($200/mo) pricing unchanged.

   siliconangle.com
6. August 2025Milestone

   AWS blames a bug for a Kiro pricing change that drained developer quotas

   After splitting usage into separate "spec" ($0.20) and "vibe" ($0.04) request pricing, AWS acknowledged a bug that let some developers burn a full month's quota in under an hour; it offered free usage through August while investigating, following public backlash over Kiro costing more than rivals like GitHub Copilot and Cursor.

   lemondeinformatique.fr
7. Jul 15, 2025Launch

   AWS launches Kiro in public preview

   AWS introduced Kiro, a spec-driven agentic IDE built on Code OSS (the VS Code base) that turns prompts into requirements, technical designs and implementation task lists before generating code; it runs on Claude Sonnet 4.0 and 3.7 as its primary models, with a free tier plus Pro ($19/mo) and Pro+ ($39/mo) plans.

   forbes.com
8. July 2025Milestone

   AWS imposes usage caps and a waitlist on new Kiro signups

   About a week after its public preview launch, AWS capped usage and put new users on a waitlist as demand outstripped capacity, saying it was "reviewing our approach" to better match how developers wanted to use the tool.

   lemondeinformatique.fr