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Kiro vs Codex: Features, Pricing and User Reviews 2026

Kiro logo

Kiro

AWS Agentic IDE for Spec-Driven Coding

Kiro screenshot
VS
Codex logo

Codex

OpenAI's AI Coding Agent for Developers

Codex screenshot

What are Kiro and Codex?

Kiro logo
Kiro

Kiro is a coding tool built by AWS that helps developers write software with the help of AI agents. Instead of turning a prompt straight into code, Kiro first turns your idea into clear written plans, called specs. These specs include requirements, a design plan, and a list of tasks that need to be done. AI agents then use these plans to write the code, run tests, and check that the result actually matches what you asked for. Kiro is built on Amazon Bedrock and follows AWS security and privacy standards. It works as a desktop app, a command line tool, a web app, and a mobile app, and it is used by solo developers, teams, and large companies.

Codex logo
Codex

Codex is an AI coding agent from OpenAI that can plan, write, test, and fix code with real autonomy. You describe a task in plain language, and Codex works through your project step by step, running commands, checking tests, and preparing changes for you to review.

It started as a tool for software engineers but has grown into a wider work assistant used by analysts, designers, and other non-technical teams too. Codex runs in isolated spaces, so it does not touch your main project files directly.

You can use it from a desktop app, a command line tool, inside your code editor, or through ChatGPT on the web, and everything stays in sync across each place you work.

Features of Kiro and Codex

Kiro logo
Kiro
  • Spec-driven development with requirements, design, and tasks

  • Parallel AI agents for faster work

  • Correctness checks beyond simple tests

  • Steering for consistent team standards

  • Hooks for automatic actions on file changes

  • Ready-made Powers for Figma, Terraform, AWS

  • MCP support for outside tools and data

  • Multiple models including Claude and GPT

  • Desktop, CLI, web, and mobile apps

  • Enterprise security and admin controls

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Codex
  • AI agent for coding, testing, and reviewing

  • Multi-agent parallel task execution

  • Isolated sandboxes for safe changes

  • Reusable skills for repeat workflows

  • Role-based plugins for teams

  • Background automations for recurring tasks

  • Desktop, CLI, IDE, and web access

  • Synced work across your ChatGPT account

  • Approval gates and permission controls

  • Used by developers and knowledge workers

Use Cases of Kiro and Codex

Pricing of Kiro and Codex

Kiro logo
Kiro

Kiro offers a free plan and several paid plans based on monthly credits. The Free plan costs nothing and gives you 50 credits, open-weight models, and access to Claude Sonnet 4.5. Paid plans range from $20 to $200 per user each month, with credits growing from 1,000 up to 10,000. All paid plans let you buy extra credits for $0.04 each. Team versions add single sign-on, usage reports, and central billing, while Enterprise offers custom pricing for larger organizations.

  • Free: $0/month, 50 credits, open-weight models and Claude Sonnet 4.5

  • Pro: $20/user/month, 1,000 credits, premium models

  • Pro+: $40/user/month, 2,000 credits, premium models

  • Pro Max: $100/user/month, 5,000 credits, premium models

  • Power: $200/user/month, 10,000 credits, premium models

  • Enterprise: Custom pricing, extra security and admin controls

Codex logo
Codex

Codex is included as part of ChatGPT's plans, so pricing depends on which plan you choose.

  • Free ($0/month): Limited access to Codex along with basic chat features.

  • Go ($8/month): More messages, uploads, and memory, though Codex access stays limited.

  • Plus ($20/month): Unlocks expanded Codex usage along with stronger models and more features.

  • Pro (from $100/month): Gives the most Codex tasks, top-tier models, and unlimited image creation.

  • Business: Costs $20 per user a month billed yearly, or $25 monthly, with a minimum of two users, and includes full Codex access with admin tools.

  • Enterprise: Custom pricing that adds advanced security, data controls, and priority support.

FAQs: Kiro vs Codex

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Kiro
Codex logo
Codex

Reviews: Kiro vs Codex

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Kiro
0.0

Based on 0 reviews

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1
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Codex logo
Codex
0.0

Based on 0 reviews

5
0
4
0
3
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1
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Compare Kiro With Other Tools

Compare Codex With Other Tools