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ValentineCtoday at 3:36 AM1 replyview on HN

I wonder if this is one of the few times simonw's pelican was broken on the first try [1]:

https://tools.simonwillison.net/markdown-svg-renderer#url=ht...

My experience with Opus 5 thus far haven't been that great either. It's been making mistake after mistake editing my coding plans that were being reviewed by GPT-6 Sol.

[1] https://simonwillison.net/2026/Jul/24/introducing-claude-opu...


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simonwtoday at 3:38 AM

Yeah this was pretty surprising. For almost every model I've run the pelican against the first attempt was at least recognizable enough that I didn't feel like the model needed a second shot.

It's always a roll of a dice, but it's surprising that the dice rolls so infrequently come up bad, yet Opus 5 rolled a bad pelican this one time.

I suspect it's just a freak occurrence. I rolled a few more and they were all fine, I think Opus 5 just got unlucky.

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