
CodePen
replit
JSFiddle
StackBlitz
GitHub
VS Code
JS Bin
Online playground for React

Cursor
Claude Code
Google Antigravity
warp by spolu
Windsurf Editor
opencode
Codex 3.0 by OpenAI
The AI IDE for prototype to production

Which is more popular?
Based on our record, CodeSandbox should be more popular than Kiro. It has been mentioned 313 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | codesandbox.io | kiro.dev |
| Pricing | ||
| Company | Startup from The Netherlands · 1 - 9 employees · 2017 | — |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
A browser IDE that's actually GOOD? (CodeSandbox.io Review!)
More videos
Amazon's NEW AI IDE is Actually Different (in a good way!) – Kiro
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using CodeSandbox and Kiro. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Codesandbox is an online code editor and prototyping tool that makes creating and sharing web apps faster. Codesandbox: Online code editor and ide for rapid web development.
CodeSandbox can be thought of as a much more powerful and complete take on JSFiddle. True to its name, CodeSandbox provides a complete code editor experience and a sandboxed environment for front-end development.
We have no reviews of Kiro yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


To begin, you can start creating your own react app using the command line or can directly go to CodeSandbox if you want to skip using the command line which is faster. CodeSandbox is an online code editor and prototype tool that speeds... - Source: dev.to / 4 months ago
To begin, you can create a react app using the command line or any code editor (e.g., VSCode). You can also try using CodeSandbox as an online code editor that is simple to use and allows you to deploy your code. - Source: dev.to / 4 months ago
If you are in a rush to open unknown repos, use GitHub Codespaces or codesandbox with Copilot or another AI integration to analyze the repo for malicious intent and to run it in a safe environment. - Source: dev.to / 10 months ago
I was at a conference recently and watched Joel Hooks talk about Effect. Effect homepage h1 advertises that it's the "Reliable TypeScript for the AI era". Joel explained that AI agents (Kiro, Claude Code, etc) can write way better... - Source: dev.to / 20 days ago
Amazon Kiro is an AI-powered IDE that combines agentic coding with spec-driven development. Powers are packages of expertise and tooling that activate on demand based on keywords in your conversation. Mention "secrets" or "API keys" in a... - Source: dev.to / about 1 month ago
2025 was the year the industry moved to specifications. GitHub Spec Kit brought structure to agent workflows. Amazon Kiro built an IDE around requirements, design, and tasks. Tessl made the strongest commercial case that specs are... - Source: dev.to / 2 months ago
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Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor.
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Google Antigravity - Build the new way
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