# Make a chat completion request
response = client.chat.completions.create(
    model="anthropic/claude-3-5-sonnet",  # You can use any of the 500+ models
    messages=[
        {"role": "system", "content": "You are a knowledgeable AI assistant."},
        {"role": "user", "content": "What are some interesting facts about tropical fruits?"}
    ]
)