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目录

步骤一、下载模型

步骤二、安装模型依赖包

步骤三、写代码

步骤四、运行代码

步骤五、中文提问 & 运行代码

---

步骤一、下载模型

安装下载命令

pip install modelscope
 

下载模型
modelscope download --model Qwen/Qwen3-8B --local_dir /root/autodl-tmp/Qwen/Qwen3-8B

步骤二、安装模型依赖包

pip install transformers peft diffusers

步骤三、写代码

from modelscope import AutoModelForCausalLM, AutoTokenizermodel_name = "/root/autodl-tmp/Qwen/Qwen3-8B"# load the tokenizer and the model
tokenizer = AutoTokenizer.from_pretrained(model_name)
model = AutoModelForCausalLM.from_pretrained(model_name,torch_dtype="auto",device_map="auto"
)
# prepare the model input
prompt = "Give me a short introduction to large language model."
messages = [{"role": "user", "content": prompt}
]
text = tokenizer.apply_chat_template(messages,tokenize=False,add_generation_prompt=True,enable_thinking=True # Switches between thinking and non-thinking modes. Default is True.
)
model_inputs = tokenizer([text], return_tensors="pt").to(model.device)# conduct text completion
generated_ids = model.generate(**model_inputs,max_new_tokens=32768
)
output_ids = generated_ids[0][len(model_inputs.input_ids[0]):].tolist() # parsing thinking content
try:# rindex finding 151668 (</think>)index = len(output_ids) - output_ids[::-1].index(151668)
except ValueError:index = 0thinking_content = tokenizer.decode(output_ids[:index], skip_special_tokens=True).strip("\n")
content = tokenizer.decode(output_ids[index:], skip_special_tokens=True).strip("\n")print("thinking content:", thinking_content)
print("content:", content)

步骤四、运行代码

python startqw3.py

步骤五、中文提问 & 运行代码

from modelscope import AutoModelForCausalLM, AutoTokenizermodel_name = "/root/autodl-tmp/Qwen/Qwen3-8B"# load the tokenizer and the model
tokenizer = AutoTokenizer.from_pretrained(model_name)
model = AutoModelForCausalLM.from_pretrained(model_name,torch_dtype="auto",device_map="auto"
)
# prepare the model input
prompt = "1.我今年42岁是个程序员。2.我三高，高血压高血糖高血脂。3.不算工资收入，我如何在最短的时间内赚够一百万。请用中文思考和回复"
messages = [{"role": "user", "content": prompt}
]
text = tokenizer.apply_chat_template(messages,tokenize=False,add_generation_prompt=True,enable_thinking=True # Switches between thinking and non-thinking modes. Default is True.
)
model_inputs = tokenizer([text], return_tensors="pt").to(model.device)# conduct text completion
generated_ids = model.generate(**model_inputs,max_new_tokens=32768
)
output_ids = generated_ids[0][len(model_inputs.input_ids[0]):].tolist() # parsing thinking content
try:# rindex finding 151668 (</think>)index = len(output_ids) - output_ids[::-1].index(151668)
except ValueError:index = 0thinking_content = tokenizer.decode(output_ids[:index], skip_special_tokens=True).strip("\n")
content = tokenizer.decode(output_ids[index:], skip_special_tokens=True).strip("\n")print("thinking content:", thinking_content)
print("content:", content)