langsmith_openai_client_wrapper_automatic_tracing.py

1import openai
2from langsmith import wrappers, printable_metrics
3
4# 1. Wrap the OpenAI client to enable automatic tracing
5client = wrappers.wrap_openai(openai.Client())
6
7# 2. Call the OpenAI API as usual
8# The trace will be sent to LangSmith automatically in the background
9response = client.chat.completions.create(
10    model="gpt-4o-mini",
11    messages=[
12        {"role": "system", "content": "You are a helpful assistant."},
13        {"role": "user", "content": "Explain LangSmith in one sentence."}
14    ],
15)
16
17print(response.choices[0].message.content)
18
19# Note: Ensure LANGSMITH_API_KEY is set in your environment variables.
20# You can also set LANGSMITH_TRACING=true to enable tracing globally.