使用大型语言模型（LLMs）进行情感分类

背景

这个提示词通过要求大型语言模型（LLM）对一段文本进行分类，来测试其文本分类能力。

提示词

Classify the text into neutral, negative, or positive
Text: I think the food was okay.
Sentiment:

提示词模板

Classify the text into neutral, negative, or positive
Text: {input}
Sentiment:

代码与 API

GPT-4 (OpenAI)

from openai import OpenAI
client = OpenAI()

response = client.chat.completions.create(
    model="gpt-4",
    messages=[
        {
        "role": "user",
        "content": "Classify the text into neutral, negative, or positive\nText: I think the food was okay.\nSentiment:\n"
        }
    ],
    temperature=1,
    max_tokens=256,
    top_p=1,
    frequency_penalty=0,
    presence_penalty=0
)

Mixtral MoE 8x7B Instruct (Fireworks)

import fireworks.client
fireworks.client.api_key = "<FIREWORKS_API_KEY>"
completion = fireworks.client.ChatCompletion.create(
    model="accounts/fireworks/models/mixtral-8x7b-instruct",
    messages=[
        {
        "role": "user",
        "content": "Classify the text into neutral, negative, or positive\nText: I think the food was okay.\nSentiment:\n",
        }
    ],
    stop=["<|im_start|>","<|im_end|>","<|endoftext|>"],
    stream=True,
    n=1,
    top_p=1,
    top_k=40,
    presence_penalty=0,
    frequency_penalty=0,
    prompt_truncate_len=1024,
    context_length_exceeded_behavior="truncate",
    temperature=0.9,
    max_tokens=4000
)

参考

• 提示工程指南 (2023年3月16日)