Update app.py

app.py

@@ -7,8 +7,8 @@ from transformers import pipeline
 # Install necessary dependencies
 os.system('pip install transformers gradio requests pandas')
 
-# Inference client for chat completion
-client = InferenceClient("HuggingFaceH4/zephyr-7b-beta")
+# Inference client for chat completion using GPT-4
+client = InferenceClient("openai/gpt-4")
 
 # Different pipelines for different tasks
 qa_pipeline = pipeline("question-answering", model="deepset/roberta-base-squad2")