A LoRA fine-tune of unsloth/Qwen3-4B that teaches the model when not to call a tool. On BFCL v4 Irrelevance Detection, under identical conditions and a full 240-entry category: The baselines are statistically indistinguishable from this adapter. v1 leads the 8B by 0.84 points and its own base by 1.67 — two and four test cases respectively. The public benchmark does not support the claim that this fine-tune materially improved abstention. The much larger margin in the self-scored eval below does not replicate. The same recipe with --seed 1337 scored 97.50% on irrelevance — 20 entries better than this adapter, and a headline a 4B beating an 8B. It was meaningless. On BFCL Multiple (AST)…
Independent publisher
Abhijit Kapure
AbhijitK20
Models in Library1
Datasets in Library0
Models on Hugging Face1
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