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If you've used Crafts, you've probably hit this. You ask Merlin to build a React dashboard, a styled HTML page, or a diagram with more than a few nodes, and somewhere around the 150-line mark, the output just stops. Mid-function. Sometimes mid-tag. The AI cheerfully continues the conversation like the code is complete. It isn't.
That single bug report collected ~90 votes and had ~39 separate complaints merged into it. It was the loudest thing in our bug tracker for months, and we owe you an honest answer: the original Crafts was fundamentally broken for anything complex. We built it as a single generation call, the AI tried to output your entire file in one shot, hit its limit, and silently stopped. No retry, no warning, no signal that your code was incomplete. Just a broken component and a confused user.
So we rebuilt it from scratch.
The core change: instead of one all-or-nothing generation step, the AI now builds files the way a developer would, in stages, with the ability to read what it wrote, fill in sections iteratively, and only show you the result when it's actually ready. No more silent truncation. No more half-finished code.
The result: files over 500 lines work properly. Files over 1,000 lines work. We've tested up to 7,000. The code that used to get cut off mid-function doesn't anymore.
A few other things that came with the rebuild:
The easiest test: ask Merlin to build something that would have broken before. A React component with charts and a sidebar. A styled landing page with multiple sections. A Mermaid sequence diagram with 20+ steps. That's exactly the kind of output v1 couldn't finish. It should work now.
Let us know how it goes - Shubhankit @ Merlin
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We've launched a host of new models from OpenAI and xAI on Merlin.
We've added three brand-new OpenAI models:
Two new models from xAI are now available (finally):
We have plans to increase the context window on GPT-4.1 series models soon. Let's see how that goes!
Hints: New Merlin UI, Deep Research, AI Tasks!
We've released some great stuff over this month. This video runs you through some of them:
Share feedback if something's buggy!
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Introducing three new features on getmerlin.in/chat!
Create custom bots in 3 simple steps:
Features:
New open-source AI model now available on Merlin!
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Enhanced project search feature:
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Hey Merlin family! We're excited to launch Focus Mode - a smarter way to search specific types of content right from your chat!
Three specialized search modes to help you find exactly what you need: