This project was created 6 months ago, and had been worked on for months with claude. I guess Fable existed 6 months ago and none of us knew about it...
The repo creation date is confusing but if you look at the actual commits, there's been 0 commits between repo creation on Dec 6 2025 and last week, after which it's all "Co-Authored-By: Claude Fable 5". So it's in fact all Fable, not Opus.
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This project was created 6 months ago, and had been worked on for months with claude. I guess Fable existed 6 months ago and none of us knew about it...
The repo creation date is confusing but if you look at the actual commits, there's been 0 commits between repo creation on Dec 6 2025 and last week, after which it's all "Co-Authored-By: Claude Fable 5". So it's in fact all Fable, not Opus.