Opus 4.7 was hit or miss with design, but it generally worked well enough if you provided it feedback or asked for an edit. I was excited to try 4.8, because I figured with the release of Claude Design - there would be some improvements to how it interprets UI. At least in my testing, it has dramatically regressed. Is anyone else experiencing this? Example 1 - CSS Edit I asked it to change a dividers fade to make it smoother. It thought for 11k tokens, made the edit - caused the divider to visibly break and overlap several elements - screenshoted the change through Playwright and determined that it was correct. I explained that the divider exceeded its container, that it should never exceed its container, and to fix the issue. It took said divider and, for some inexplicable reason, made it a blur. Example 2 - Claude Design I gave it a screenshot of a screen, and it had my codebase. I asked it to produce 5 design iterations of this screen to improve its quality. I identified a few elements specifically that I wanted to touch upon, and asked it not to make any dramatic changes to the layout. It produced 5 nonsensical screens (I mean literally every screen it produced was an entirely different set of features, none of which related to each other in any way), verified them and presented them. I pointed out that - and I assumed this was a bug or some sort of hallucination - the screens were literally not even modestly related to what I asked for and to try again. It acknowledged that it screwed up, and would redo the screens. It did not. It built a screen that allowed you to flip through the screens it already built. submitted by /u/fseed
Originally posted by u/fseed on r/ClaudeCode
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