import anthropic

client = anthropic.Anthropic(
    api_key = "YOUR_POE_API_KEY",  # or os.getenv("POE_API_KEY")
    base_url = "https://api.poe.com",
)

message = client.messages.create(
    model = "claude-sonnet-4",
    max_tokens = 1024,
    messages = [{
      "role": "user",
      "content": "How would you explain the process of photosynthesis to a 5-year-old?"
    }]
)

print(message.content[0].text)