Yes
I'm finding Fable 5 to be a significant stop better than Opus 4.8, but that Opus occasionally comes up with something small but nontrivial that Fable missed
garyrob on Hacker News
In the thread “Fable 5 On Vending-Bench: Misbehaving, With Plausible Deniability”, replying to this comment
Helped: Fable 5 outperforms Opus 4.8 on complex cryptographic and mathematical tasks.
Got in the way: Fable 5 occasionally misses small but nontrivial details that Opus 4.8 catches.
I'm doing work with fairly complicated cryptographic algorithms and math. I'm finding Fable 5 to be a significant stop better than Opus 4.8, but that Opus occasionally comes up with something small but nontrivial that Fable missed. (The reverse is true much more often.)