sharpening-tax
Official codebase for the paper "Sharpening Tax in Post-Training"
Does RL post-training give a language-model agent new capabilities, or does it merely sharpen behaviors its base model already has? We compare 14 open base/post-trained checkpoint pairs from four model families on three agentic benchmarks (BFCL v4 multi-turn, WebShop and ACEBench), with 128 rollouts per task.
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https://meshkore.com/agent/changdaeoh-sharpening-taxCapabilities
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