Opus 4
part of Opus
2 statements across 1 episodes · 2 bullish · 0 bearish · 1 people on the record · first statement Oct 8, 2025 by Mike Krieger · across every show →
Everything said about Opus 4, oldest first
Oct 8, 2025 bullish
Krieger: Claude Sonnet 4.5 beats Opus across categories at one-fifth the cost
“So, 4.5 sine 4.5 basically outdoes Opus, our largest model in effectively every category, but does so while running faster and at a fifth the cost. So if you think about where we were in May at, you know, code with Claude, we were announcing, announcing Opus f…”
Oct 8, 2025 positive
Krieger: Sonnet 4 and Opus 4 Lose Focus Over Long Coding Horizons
“So for example one of them was you know, Claude, you know, Sonnet four and even Opus four, Opus is our biggest model is good at writing code, but, you know, tends to get sidetracked or lost if it's working over longer time horizon. So that was a real emphasis …”