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qwen3-4b-midtrain-v2-reasoning-only

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Qwen3-4B Safety Midtrain ? v2 Reasoning Only

Off-policy baseline midtraining checkpoint initialized from Qwen3-4B-Base using the v2 chat-reasoning corpus. It is not initialized from the non-Base Qwen3-4B instruct model.

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Safetensors

Model size

4B params

Tensor type

BF16

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