Opus 5.5’s performance against Fable
One user claims Opus 5.5 exceeds Fable on many benchmarks and calls it better, smarter and faster than any frontier model they’ve used.
TLDR
A user says Anthropic described Opus 5.5 as being as good as Fable, but argues that this undersells the model: they claim it exceeds Fable on many benchmarks. Citing personal use on September 22 and 23, 2026, they also call it better, smarter and faster than any frontier model they’ve used.
Opus 5.5’s performance against Fable
One user claims Opus 5.5 exceeds Fable on many benchmarks and calls it better, smarter and faster than any frontier model they’ve used.
TLDR
A user says Anthropic described Opus 5.5 as being as good as Fable, but argues that this undersells the model: they claim it exceeds Fable on many benchmarks. Citing personal use on September 22 and 23, 2026, they also call it better, smarter and faster than any frontier model they’ve used.