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DPO fixed the collapse and still failed the actual task

This story is from 2026-09-07. It is preserved in the archive; the latest stories are on the live feed.

The SQL specialist could produce executable queries, but it wrapped them in prose. The target was simple to describe: keep execution accuracy and remove the wrapper. The first ref-free SimPO run collapsed execution accuracy from 0.860 to 0.080. Reference-anchored DPO recovered it to 0.900. A higher…

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  1. 2026-09-07 04:30 · DEV Community — Machine Learning
    DPO fixed the collapse and still failed the actual task

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