PEFT How to use maxbittker/opus-4b-dsl-mixed-step150-2026-04-29 with PEFT:
from peft import PeftModel
from transformers import AutoModelForCausalLM
base_model = AutoModelForCausalLM.from_pretrained("Qwen/Qwen3.5-4B")
model = PeftModel.from_pretrained(base_model, "maxbittker/opus-4b-dsl-mixed-step150-2026-04-29") 
