diff --git a/openai_agents/model_providers/run_gpt_oss_worker.py b/openai_agents/model_providers/run_gpt_oss_worker.py
index 88c85fca..59798a1d 100644
--- a/openai_agents/model_providers/run_gpt_oss_worker.py
+++ b/openai_agents/model_providers/run_gpt_oss_worker.py
@@ -3,7 +3,12 @@
 from datetime import timedelta
 from typing import Optional
 
-from agents import Model, ModelProvider, OpenAIChatCompletionsModel
+from agents import (
+    Model,
+    ModelProvider,
+    OpenAIChatCompletionsModel,
+    set_tracing_disabled,
+)
 from openai import AsyncOpenAI
 from temporalio.client import Client
 from temporalio.contrib.openai_agents import ModelActivityParameters, OpenAIAgentsPlugin
@@ -27,6 +32,11 @@ def get_model(self, model_name: Optional[str]) -> Model:
 
 
 async def main():
+    # Disable Agents SDK tracing — the default exporter sends traces to OpenAI's
+    # backend, which requires an OpenAI API key not available in these samples.
+    # Call here rather than in the workflow because it's a global side effect.
+    set_tracing_disabled(disabled=True)
+
     # Configure logging to show workflow debug messages
     logging.basicConfig(level=logging.WARNING)
     logging.getLogger("temporalio.workflow").setLevel(logging.DEBUG)
diff --git a/openai_agents/model_providers/run_litellm_provider_worker.py b/openai_agents/model_providers/run_litellm_provider_worker.py
index 5eb8b8b2..3441013c 100644
--- a/openai_agents/model_providers/run_litellm_provider_worker.py
+++ b/openai_agents/model_providers/run_litellm_provider_worker.py
@@ -1,6 +1,7 @@
 import asyncio
 from datetime import timedelta
 
+from agents import set_tracing_disabled
 from agents.extensions.models.litellm_provider import LitellmProvider
 from temporalio.client import Client
 from temporalio.contrib.openai_agents import ModelActivityParameters, OpenAIAgentsPlugin
@@ -12,6 +13,11 @@
 
 
 async def main():
+    # Disable Agents SDK tracing — the default exporter sends traces to OpenAI's
+    # backend, which requires an OpenAI API key not available in these samples.
+    # Call here rather than in the workflow because it's a global side effect.
+    set_tracing_disabled(disabled=True)
+
     # Create client connected to server at the given address
     client = await Client.connect(
         "localhost:7233",
diff --git a/openai_agents/model_providers/workflows/gpt_oss_workflow.py b/openai_agents/model_providers/workflows/gpt_oss_workflow.py
index d7ed8021..821844b3 100644
--- a/openai_agents/model_providers/workflows/gpt_oss_workflow.py
+++ b/openai_agents/model_providers/workflows/gpt_oss_workflow.py
@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-from agents import Agent, Runner, function_tool, set_tracing_disabled
+from agents import Agent, Runner, function_tool
 from temporalio import workflow
 
 
@@ -8,8 +8,6 @@
 class GptOssWorkflow:
     @workflow.run
     async def run(self, prompt: str) -> str:
-        set_tracing_disabled(disabled=True)
-
         @function_tool
         def get_weather(city: str):
             workflow.logger.debug(f"Getting weather for {city}")
diff --git a/openai_agents/model_providers/workflows/litellm_auto_workflow.py b/openai_agents/model_providers/workflows/litellm_auto_workflow.py
index 4a67ded4..9fe3d40b 100644
--- a/openai_agents/model_providers/workflows/litellm_auto_workflow.py
+++ b/openai_agents/model_providers/workflows/litellm_auto_workflow.py
@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-from agents import Agent, Runner, function_tool, set_tracing_disabled
+from agents import Agent, Runner, function_tool
 from temporalio import workflow
 
 
@@ -8,8 +8,6 @@
 class LitellmAutoWorkflow:
     @workflow.run
     async def run(self, prompt: str) -> str:
-        set_tracing_disabled(disabled=True)
-
         @function_tool
         def get_weather(city: str):
             return f"The weather in {city} is sunny."