Two padding tokens doubled a hosted DeepSeek V4.1-Flash success rate, pointing to phase sensitivity

No_Pea_6625 · reddit · 2026-11-09

Running an identical 700-line Python refactor at temperature 0 across three DeepSeek V4.1-Flash hosts (9 runs each), the author got 7/9 clean on the official API vs 4/9 and 3/9 from resellers. Inspired by a Seed paper on phase sensitivity, adding one meaningless docstring line (two extra tokens) lifted Host B from 3/9 to 6/9 and Host A from 4/9 to 7/9. Same weights, same meaning, different prefix length, different quality—hard to attribute to quantization. Author admits n=9 and asks for cheaper validation designs.

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