[toraway]

Wait, are you really saying you have never had Opus 4.5 fail at a programming task you've given it? That strains credulity somewhat... and would certainly contribute to people believing you're exaggerating/hyping up Opus 4.5 beyond what can be reasonably supported.

Also, "order of magnitude better" is such plainly obvious exaggeration it does call your objectivity into question about Opus 4.5 vs. previous models and/or the competition.

[minimaxir]

Opus 4.5 does made mistakes but I've found that's more due to ambiguous/imprecise functional requirements on my end rather than an inherent flaw of the agent pipeline. Giving it more clear instructions to reduce said ambiguity almost always fixes it, so I do not consider Opus failing. One of the very few times Opus 4.5 got completely stuck was, after tracing, an issue in a dependency's library which inherently can't be fixed on my end.

I am someone who has spent a lot of time with Sonnet 4.5 before that and was a very outspoken skeptic of agentic coding (https://news.ycombinator.com/item?id=43897320) until I gave Opus 4.5 a fair shake.