Opus 4.5

1. Sonnet 5 vs 4.6 (and how it relates to Opus) (www.reddit.com via reddit)

   2d sonnetopusanthropic+1

   There’s great anticipation for Sonnet 5 next week, so putting my thoughts here before it gets released, to see if I’m right. I believe that Sonnet 5 will be mediocre, in a way that would make you prefer opus over it.

2. GLM 5.2 vs. Claude Opus 4.5 (gopeekapp.blogspot.com via hn)

   +21 3d glmopusanthropic

   Claude Opus 4.5 vs GLM-5.2 Claude Opus 4.5 vs GLM-5.2 Claude Opus 4.5 (2025) and GLM-5.2 (2026) are frontier-tier reasoning models from Anthropic and Zhipu AI. Claude Opus 4.5 ships a 200k-token context window, while GLM-5.2 ships a 1M-tok…

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