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CodePen Radio

by CodePen Blog

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Latest episodes

445: CodePen AI is Here

October 20, 2026

Chris and Alex are talking this week about CodePen's biggest release since the 2.0 drop. It's live! We'll be working on CodePen AI forever, since it's a fast-changing technology that regularly adds new abilities. That sounds like a trite…
444: A Gosh-Dang Full-Blown Read/Write API

October 14, 2026

Marie and Chris are on the podcast to talk about our very new v2 API. This baby (slaps the hood) can do it all. It's complete read/write access to all your Pens, Collections, and Assets. This API isn't hamstrung by anything, so the door is…
443: Image Hosting is Quite Powerful on CodePen

October 7, 2026

We've made several upgrades to uploading/hosting images on CodePen lately. One change, moving to the open-source file-uploading library Uppy, was driven by business concerns. But the benefits are good for everyone: uploads are faster, and…
442: Pens are Actually Websites

September 30, 2026

Stephen and Chris jump on the podcast to talk about our (ahem, super cool) deployment feature. Any Pen can be a website! Well, they kinda are already, but you know what I mean. If you're a PRO user all you do is click a button and the…
441: Challenges For We, Challenges For Thee

September 22, 2026

Marie and Chris talk about CodePen Challenges. We've been at it for many years! We get into the technology behind it, how we build our own CMS for it that powers the website and the emails that get sent about it. We also cover why they can…

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440: Hey! Hi! Right here! In-App Notifications That Like You

September 15, 2026

Rach and Chris jump on the podcast to talk about the brand-new in-app notification system we built and shipped. We're actively trying to balance a system that isn't annoying, but allows us to show targetting information to targetted users…
439: Dragging! Drag Everything!

September 8, 2026

Stephen just implemented a great UI feature for the 2.0 editor where all the Panels that were previously stuck to the left side of the page can now be dragged away to become an "Editor Tab" just like a file (or Block!). Now you've got a…
438: Are Diffusion Models Better Than LLMs at Web Design?

August 25, 2026

Chris has Jacob Miller on the show, who is building a tool called DiffUI. The big idea is that it uses a diffusion model to do prompt-to-website design rather than an LLM, because image-based models are more interesting and creative. So…
437: The Cheese. It Has Been Moved.

August 18, 2026

Stephen and Chris hop on to talk about the couple of weeks post 2.0 launch. Things are certainly different in 2.0! Literally the location of certain buttons is in a new place, and that requires folks to poke around a bit and figure it out…
436: The Design & Message of Launch Emails (with MJML)

July 28, 2026

Just one week off our big 2.0 launch, Shaw and Chris hop on to talk about how email is actually a big part of the launch. Social media ain't what it used to be, and not everybody is on your app every single day waiting for a notification…
435: The 2.0 Launch & Team CodePen’s Favorite Features

July 23, 2026

The whole team is here! That's a first for us. Today we're launching 2.0, so we're having a little fun in this episode picking out our favorite features. Time Jumps Links Plus a bonus appearance here of Marie's victory graphic.
434: Still Proudly on WordPress for our Blog, Podcast, and Documentation

July 15, 2026

Marie and Chris hop on CodePen Radio for a little chat on how we're still happily using WordPress for a variety of things here on CodePen. We've got it hosted on a subdomain and on a different (WordPress-specific) hosting plan than our…