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Trace-Inverter-4B: A Qwen 4B FT on Jackrongs datasets of synthetic traces to support {prompt, final answer} -> synthetic reasoning

This story is from 2026-08-21. It is preserved in the archive; the latest stories are on the live feed.

Today I've trained and released a small experiment based on the paper How to Steal Reasoning Without Reasoning Traces . No-summary trace inversion is not a new thing; the original paper already defines and evaluates a trace-inverter that can reconstruct a synthetic trace from only the problem and f…

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  1. 2026-08-21 15:38 · r/LocalLLaMA
    Trace-Inverter-4B: A Qwen 4B FT on Jackrongs datasets of synthetic traces to support {prompt, final answer} -> synthetic reasoning

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