I've noticed that out of all LLMs I've ever used that Fable is the MOST LLM; the text it produces is abomination. It's impressive how much I hate it. It is such an awful writer - it assumes the reader has zero context and therefore gives every single bit of context and detail - which is nice if you're writing a legal document I suppose. But it uses, niche, $10 words to describe every facet of everything it's discussing. I had it re-write some docs and I ended up rewriting 1k lines of of Fable torment nexus text to around 100. Because guess what, someone reading highly technical docs has a knowledge base that allows us to compress the topic into a much tighter representation.

Fable is much better at handling nuance. Opus/GPT 5.6 Sol are much more likely to miss the point you are trying to make, emphasise the wrong thing, exaggerate the importance of unimportant details, or introduce contradictions.

That said, Fable is still not a great writer, largely driven by it not knowing what it should exclude, and it still having the usual LLM-isms. But it’s better.