pen.dev @pendev

Design in your codebase. AI Design Canvas that you can use with your ChatGPT and Claude subscriptions and Composer/Grok, Gemini, Kimi, GLM, Qwen, Minimax models pen.dev localhost Joined February 2026

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3K
Following

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81

Jonathan Morency @JoMorency

17 hours ago

pendev is ridiculously good. if you are building with ai and you have good design taste, please don’t sleep on this tool

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So which model is the best at frontend design? You can now eval pretty much all of them in pen(dot)dev in realtime in parallel. It's the most versatile design agent, where you can Sign in with ChatGPT, use your Claude subscription, OpenCode Go, Github CoPilot, connect Cursor Composer 2.5/Grok 4.5, Minimax M3, Kimi K2.7/K3, GLM 5.2, Gemini 3.5 Flash, Qwen 3.7 Plus etc, mix and match these models on design tasks directly in your codebase locally on your desktop.

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pen.dev @pendev

a week ago

@AnthonyLimo yeah, it goes surprisingly deep. This is the first time we saw such a level of depth, one shot. `Design control panel for a humanoid robotics factory floor`

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delopsu @delopsu_com

a week ago

Exploring styles for this new idea with @pendev Just described the vibe I want. I would never come with this style even I had vibe in mind. It would take ages to implement and add two additional drafts just to take a look. Come on!

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pen.dev @pendev

a week ago

@delopsu_com whoa, cool!

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pen.dev @pendev

a week ago

Ask @pendev agent "create a sitemap of pen.dev on the canvas, import each page." 🤯

Tom Krcha @tomkrcha

a week ago

@ridd_design @pendev Hey @ridd_design, thanks! Still surprises me how much this unlocks. I just asked the agent `create a sitemap of pen.dev on the canvas, import each page.` It pulled all the pages, all editable. Gotta finally redesign our web...

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pen.dev @pendev

a week ago

@zstvns cinnamon 😋

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pen.dev @pendev

a week ago

@tanlethanh_ We did a bunch of optimizations recently. more to come, but actually there is a way to minimize the GPU usage already if needed. Go to Settings > Turn off animations and set the cursor size to hidden. Let us know if that helped.

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pen.dev @pendev

a week ago

@mechXsteam nice! Cool to see @pendev & @cursor_ai models designing together.

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pen.dev @pendev

a week ago

Import HTML, Export HTML now in pen.dev. Canvas 🤝Browser. Design🤝 code.

Tom Krcha @tomkrcha

a week ago

Design ∞ code loop, but 10x better. Introducing the browser agent in @pendev. Import HTML/React to fully editable canvas, make edits/variations, export back to code. Build with the browser & the canvas at the same time, the ultimate combo. Download today.