Pre-registered re-run confirms Goodfire's SAE steering claim on SDXL-Turbo

kevrussell · x · 2026-10-27

An independent re-run of Goodfire's "painting with concepts" claim on SDXL-Turbo confirms that turning up SAE feature 7446 ("opening one's mouth") opens mouths in generated images. The CLIP "mouth open vs. closed" score rose 4.36 points on average against a pre-registered pass bar of 2.0, while 20 random features of similar frequency scored between −0.83 and 0.82 and a planted fake feature showed no comparable change. The claim holds up as tested.

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