
ChatGPT
Gemini
Claude AI
OpenAI
Claude by Anthropic
Poe
Perplexity.ai
DeepSeek is an advanced AI designed to assist with answering questions, solving problems, and providing insights through natural, conversational interactions.

JSFiddle
CodeSandbox
GitHub
replit
VS Code
Pastebin.com
JS Bin
A front end web development playground.

Which is more popular?
Based on our record, CodePen seems to be a lot more popular than DeepSeek. While we know about 513 links to CodePen, we've tracked only 2 mentions of DeepSeek.
Website, pricing, platforms and company facts side by side.
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| Website | deepseek.com | codepen.io |
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What each product offers, as listed by its team.


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DeepSeek V3 A 20-Year Developer’s Honest Review After 30 Hours of Coding
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How often each product is chosen within a category, 0–100% relative to the other.


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


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Codepen is a social network for developers to show off their work, ask and answer questions, and exchange ideas. It's like a Reddit for coding and design, with a large community of talented web developers.
Codepen is a social development environment that allows developers to showcase their work and experiment with HTML, CSS, and JavaScript in a collaborative space. Codepen’s focus on visual and interactive development...
Codepen is a social development environment for front-end designers and developers. Build and deploy a website, show off your work, build test cases to learn.
Recommendations tracked on public social media and blogs since March 2021.


DeepSeek — DeepSeek’s primary site, covering the company behind the release. - Source: dev.to / 6 months ago
It's not the official website, https://deepseek.com is - super misleading and scammy behavior. - Source: Hacker News / over 1 year ago
> I vividly remember IE and many hacks to have css elements properly working in it… The common advice now is to only use CSS that is supported in the last two major versions of each major browser. You can check any css property's support... - Source: Hacker News / 2 months ago
Thank you, heartfelt... For sharing an artwork, a miracle! Just in case, have you considered publishing the work at platforms as CodePen, where genius Artists/People express their art, too, as you?: // https://codepen.io/. - Source: Hacker News / 3 months ago
Embed on DEV: If you prefer CodePen embed, create a Pen with that HTML and add to the post as: {% codepen https://codepen.io//pen/ %}. - Source: dev.to / 12 months ago
When comparing DeepSeek and CodePen, you can also consider the following products.


Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor.
Compare JSFiddle to DeepSeek or CodePen:

Gemini, formerly known as Bard, is a generative artificial intelligence chatbot developed by Google. Based on the large language model (LLM) of the same name, it was launched in 2023 in response to the rise of OpenAI's ChatGPT.
Compare Gemini to DeepSeek or CodePen:


Claude is a next generation AI assistant built for work and trained to be safe, accurate, and secure. An AI assistant from Anthropic.
Compare Claude AI to DeepSeek or CodePen:

Originally founded as a project to simplify sharing code, GitHub has grown into an application used by over a million people to store over two million code repositories, making GitHub the largest code host in the world.
Compare GitHub to DeepSeek or CodePen: