Opus 4.7 isn't scary because it's weaker. It's scary because it stops guessing for you 👀

If you use Claude like a chat buddy or coding sidekick, the easy mistake is thinking 4.7 is just 4.6 with extra power. Lowkey, the real upgrade is that it stopped covering for fuzzy instructions, which is exactly why the new one can feel off at first.

The thing that made me pause wasn't smarter. It was more literal.[S003] Like telling someone to clean the room and realizing they only moved the chair, because you never said anything about the desk.

That sounds small until you hit the numbers. Anthropic's notes say the same request can turn into about 35% more words on 4.7, and some older settings now get a hard 400 error, basically the model saying nope, ask me properly.[S001][S003] ⚠️

Plot twist: that doesn't make 4.7 dumber. It makes it less willing to mind-read. The launches people argue about most are the ones that suddenly show the boundary.

Boundary check: this take comes from Anthropic's Opus 4.7 release note and migration guide, not a full real-world rollout, so your setup may behave differently. Save this before your next model switch, or send it to the friend who still thinks newer always means safer?

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