
Agent Bar
ChatML
Claude Code UI
A Windows app that brings Claude Code, Codex and Grok Build into one room. Ask them separately, let them debate in turns, or have one build while another reviews.

CodePen
CodeSandbox
replit
Pastebin.com
JS Bin
VS Code
GitHub
Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor.

Which is more popular?
Based on our record, JSFiddle seems to be more popular. It has been mentioned 205 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | hellhoundai.com | jsfiddle.net |
| Pricing | — | |
| Company | Startup from Turkey | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Hellhound puts your AI agents in one room on your Windows PC. Bring Claude Code, Codex and Grok Build together, then choose how they work: get separate answers side by side, or start a discussion where they take turns, challenge each other and debate an idea, up to a turn limit you set. Let one...
No description of JSFiddle yet.
What each product offers, as listed by its team.


No features have been listed yet.
Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of Hellhound yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Claude + Codex in the Same Chat: Multiple AI Agents Coordinating & Debugging Together
Dashboard JSFiddle Online JavaScript Editor jQuery, Angular, Backbone, Underscore, Knockout, Y
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How often each product is chosen within a category, 0–100% relative to the other.


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


We have no reviews of Hellhound yet. Be the first one to post
Test your javascript, CSS, HTML or coffeescript online with jsfiddle code editor. Jsfiddle – code playground.
JSFiddle cannot be used to host code on your server. The code has to be on JSFiddle and is public all the time.
What is missing from JSFiddle is live previews. You have to basically refresh the page by clicking on the play button. And compared to other playgrounds, JSFiddle is probably the slowest. Another slightly frustrating...
Recommendations tracked on public social media and blogs since March 2021.


Tracking Hellhound since Oct 2026.
This is the code from my free lesson. You can run all of it in JSFiddle (no account needed). - Source: dev.to / 8 days ago
Https://jsfiddle.net/ used to be also very popular, I see that it is still available, but haven't used it in a while. Which other alternatives do people use now days? - Source: Hacker News / 3 months ago
Coding is like learning a new language—you must practice by writing code, not just reading about it. Use free online editors like CodePen, JSFiddle, or Replit to experiment. - Source: dev.to / over 1 year ago
When comparing Hellhound and JSFiddle, you can also consider the following products.


Cockpit for Claude Code - See everything your agents build
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Use Claude Code on mobile and web with Claude Code UI. Claude Code UI free open source webui/GUI that helps you manage your Claude Code session and projects remotely.
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Code, create, andlearn together. Use our free, collaborative, in-browser IDE to code in 50+ languages — without spending a second on setup.
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