models:
  - model: Qwen2.5-7B-Instruct-SFT (SFT on Qwen2.5-7B-Instruct)
    parameters:
      weight: 0.5
  - model: Qwen2.5-7B-Instruct
    parameters:
      weight: 1.0
merge_method: linear
dtype: bfloat16