MedQWEN-2.5-32B

A 32B medical language model created by SLERP-merging Qwen2.5-32B-Instruct with a medical domain fine-tune (shaafsalman/qwen-2.5-32B), using mergekit.

The merge retains the instruction-following capability of the base instruct model while blending in clinical domain knowledge from the fine-tuned variant.

Model Details

Field Value
Architecture Qwen2.5 (64 layers, 32B parameters)
Merge Method SLERP
Base Model Qwen/Qwen2.5-32B-Instruct
Domain Fine-tune shaafsalman/qwen-2.5-32B
Dtype bfloat16
Library Transformers

Merge Configuration

slices:
  - sources:
      - model: Qwen/Qwen2.5-32B-Instruct
        layer_range: [0, 64]
      - model: shaafsalman/qwen-2.5-32B
        layer_range: [0, 64]
merge_method: slerp
base_model: Qwen/Qwen2.5-32B-Instruct
tokenizer_source: Qwen/Qwen2.5-32B-Instruct
parameters:
  t:
    - filter: self_attn
      value: [0, 0.5, 0.3, 0.7, 1]
    - filter: mlp
      value: [1, 0.5, 0.7, 0.3, 0]
    - value: 0.5
dtype: bfloat16

SLERP interpolation weights by layer type:

Layer type Interpolation pattern
Self-attention [0, 0.5, 0.3, 0.7, 1] — sweeps from base to fine-tune
MLP [1, 0.5, 0.7, 0.3, 0] — inverse sweep
Other (norms, embeddings) 0.5 — equal blend

Usage

from transformers import AutoModelForCausalLM, AutoTokenizer

model_id = "shaafsalman/MedQWEN-2.5-32B"

tokenizer = AutoTokenizer.from_pretrained(model_id)
model = AutoModelForCausalLM.from_pretrained(
    model_id,
    torch_dtype="bfloat16",
    device_map="auto",
)

messages = [{"role": "user", "content": "What are the symptoms of hypomagnesemia?"}]
text = tokenizer.apply_chat_template(messages, tokenize=False, add_generation_prompt=True)
inputs = tokenizer(text, return_tensors="pt").to(model.device)
outputs = model.generate(**inputs, max_new_tokens=512)
print(tokenizer.decode(outputs[0], skip_special_tokens=True))

Evaluation

Evaluated on MedAgentBench — a FHIR-based clinical agentic benchmark covering 300 tasks across 10 clinical task types including lab retrieval, medication ordering, and referral management.

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