Opus 4.5

part of Opus

2 statements across 2 episodes · 2 bullish · 0 bearish · 2 people on the record · first statement Feb 19, 2026 by Martin Casado · across every show →

Everything said about Opus 4.5, oldest first

Feb 19, 2026 positive
Opinion
Casado: Codex is better than Opus 4.5 at solving hard coding bugs
“Listen, Codex, in my experience, is for sure better than Opus 4.5 for coding. Like, it finds the hardest bugs that I work in with, like, it's, you know, the smartest developers I don't work on it.”
Martin Casado Feb 19, 2026 ▶ 35:17 Inside AI’s $10B+ Capital Flywheel — Martin Casado & Sarah Wang of a16z
Mar 6, 2026 positive
Assertion Not checkable as stated
Horthy: Skilled Context Engineers Matched Opus 4.5 Output on Opus 4.0
“When Opus 4.5 came out, they're like, oh, This is good enough. This is a big change, and I saw the things that they were shipping, and I was like, okay, but I know a bunch of engineers who got really good at context engineering, and they were getting the same …”
Dex Horthy Mar 6, 2026 ▶ 13:41 Why Your AI Agents Don’t Work with Dex Horthy of HumanLayer | In-Context Cooking
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