diff --git a/examples/function-calling/function-calling-azure.py b/examples/function-calling/function-calling-azure.py
index 37d67b29b..35ff4e91e 100644
--- a/examples/function-calling/function-calling-azure.py
+++ b/examples/function-calling/function-calling-azure.py
@@ -133,6 +133,9 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
     async def on_client_connected(transport, client):
         logger.info(f"Client connected")
         # Kick off the conversation.
+        context.add_message(
+            {"role": "developer", "content": "Please introduce yourself to the user."}
+        )
         await task.queue_frames([LLMRunFrame()])
 
     @transport.event_handler("on_client_disconnected")
diff --git a/examples/function-calling/function-calling-cerebras.py b/examples/function-calling/function-calling-cerebras.py
index 82d98d40e..aca7c7673 100644
--- a/examples/function-calling/function-calling-cerebras.py
+++ b/examples/function-calling/function-calling-cerebras.py
@@ -142,6 +142,9 @@ Start by asking me for my location. Then, use 'get_weather_current' to give me a
     async def on_client_connected(transport, client):
         logger.info(f"Client connected")
         # Kick off the conversation.
+        context.add_message(
+            {"role": "developer", "content": "Please introduce yourself to the user."}
+        )
         await task.queue_frames([LLMRunFrame()])
 
     @transport.event_handler("on_client_disconnected")
diff --git a/examples/function-calling/function-calling-deepseek.py b/examples/function-calling/function-calling-deepseek.py
index fc354ccf5..d5b54f258 100644
--- a/examples/function-calling/function-calling-deepseek.py
+++ b/examples/function-calling/function-calling-deepseek.py
@@ -143,6 +143,9 @@ Start by asking me for my location. Then, use 'get_weather_current' to give me a
     async def on_client_connected(transport, client):
         logger.info(f"Client connected")
         # Kick off the conversation.
+        context.add_message(
+            {"role": "developer", "content": "Please introduce yourself to the user."}
+        )
         await task.queue_frames([LLMRunFrame()])
 
     @transport.event_handler("on_client_disconnected")
diff --git a/examples/function-calling/function-calling-direct.py b/examples/function-calling/function-calling-direct.py
index c885d6606..0f5c9080b 100644
--- a/examples/function-calling/function-calling-direct.py
+++ b/examples/function-calling/function-calling-direct.py
@@ -134,6 +134,9 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
     async def on_client_connected(transport, client):
         logger.info(f"Client connected")
         # Kick off the conversation.
+        context.add_message(
+            {"role": "developer", "content": "Please introduce yourself to the user."}
+        )
         await task.queue_frames([LLMRunFrame()])
 
     @transport.event_handler("on_client_disconnected")
diff --git a/examples/function-calling/function-calling-groq.py b/examples/function-calling/function-calling-groq.py
index d4c69349e..bcc64b339 100644
--- a/examples/function-calling/function-calling-groq.py
+++ b/examples/function-calling/function-calling-groq.py
@@ -131,6 +131,9 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
     async def on_client_connected(transport, client):
         logger.info(f"Client connected")
         # Kick off the conversation.
+        context.add_message(
+            {"role": "developer", "content": "Please introduce yourself to the user."}
+        )
         await task.queue_frames([LLMRunFrame()])
 
     @transport.event_handler("on_client_disconnected")
diff --git a/examples/function-calling/function-calling-mistral.py b/examples/function-calling/function-calling-mistral.py
index e44adf8ba..c2784b4cb 100644
--- a/examples/function-calling/function-calling-mistral.py
+++ b/examples/function-calling/function-calling-mistral.py
@@ -144,6 +144,9 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
     async def on_client_connected(transport, client):
         logger.info(f"Client connected")
         # Kick off the conversation.
+        context.add_message(
+            {"role": "developer", "content": "Please introduce yourself to the user."}
+        )
         await task.queue_frames([LLMRunFrame()])
 
     @transport.event_handler("on_client_disconnected")
diff --git a/examples/function-calling/function-calling-novita.py b/examples/function-calling/function-calling-novita.py
index d9838e37f..1d5e5f0c6 100644
--- a/examples/function-calling/function-calling-novita.py
+++ b/examples/function-calling/function-calling-novita.py
@@ -149,6 +149,9 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
     async def on_client_connected(transport, client):
         logger.info(f"Client connected")
         # Kick off the conversation.
+        context.add_message(
+            {"role": "developer", "content": "Please introduce yourself to the user."}
+        )
         await task.queue_frames([LLMRunFrame()])
 
     @transport.event_handler("on_client_disconnected")
diff --git a/examples/function-calling/function-calling-nvidia.py b/examples/function-calling/function-calling-nvidia.py
index 2b4818ceb..3dddb295e 100644
--- a/examples/function-calling/function-calling-nvidia.py
+++ b/examples/function-calling/function-calling-nvidia.py
@@ -135,6 +135,9 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
     async def on_client_connected(transport, client):
         logger.info(f"Client connected")
         # Kick off the conversation.
+        context.add_message(
+            {"role": "developer", "content": "Please introduce yourself to the user."}
+        )
         await task.queue_frames([LLMRunFrame()])
 
     @transport.event_handler("on_client_disconnected")
diff --git a/examples/function-calling/function-calling-ollama.py b/examples/function-calling/function-calling-ollama.py
index ec6c3948a..5fbee4394 100644
--- a/examples/function-calling/function-calling-ollama.py
+++ b/examples/function-calling/function-calling-ollama.py
@@ -149,6 +149,9 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
     async def on_client_connected(transport, client):
         logger.info(f"Client connected")
         # Kick off the conversation.
+        context.add_message(
+            {"role": "developer", "content": "Please introduce yourself to the user."}
+        )
         await task.queue_frames([LLMRunFrame()])
 
     @transport.event_handler("on_client_disconnected")
diff --git a/examples/function-calling/function-calling-openai-responses-async-stream.py b/examples/function-calling/function-calling-openai-responses-async-stream.py
index 4007c21eb..27307232c 100644
--- a/examples/function-calling/function-calling-openai-responses-async-stream.py
+++ b/examples/function-calling/function-calling-openai-responses-async-stream.py
@@ -187,6 +187,9 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
     async def on_client_connected(transport, client):
         logger.info(f"Client connected")
         # Kick off the conversation.
+        context.add_message(
+            {"role": "developer", "content": "Please introduce yourself to the user."}
+        )
         await task.queue_frames([LLMRunFrame()])
 
     @transport.event_handler("on_client_disconnected")
diff --git a/examples/function-calling/function-calling-openai.py b/examples/function-calling/function-calling-openai.py
index 20777eaca..45378a4cf 100644
--- a/examples/function-calling/function-calling-openai.py
+++ b/examples/function-calling/function-calling-openai.py
@@ -148,6 +148,9 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
     async def on_client_connected(transport, client):
         logger.info(f"Client connected")
         # Kick off the conversation.
+        context.add_message(
+            {"role": "developer", "content": "Please introduce yourself to the user."}
+        )
         await task.queue_frames([LLMRunFrame()])
 
     @transport.event_handler("on_client_disconnected")
diff --git a/examples/function-calling/function-calling-openrouter.py b/examples/function-calling/function-calling-openrouter.py
index 299846133..58c98c2a3 100644
--- a/examples/function-calling/function-calling-openrouter.py
+++ b/examples/function-calling/function-calling-openrouter.py
@@ -76,7 +76,6 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
     llm = OpenRouterLLMService(
         api_key=os.environ["OPENROUTER_API_KEY"],
         settings=OpenRouterLLMService.Settings(
-            model="openai/gpt-4o-2024-11-20",
             system_instruction="You are a helpful assistant in a voice conversation. Your responses will be spoken aloud, so avoid emojis, bullet points, or other formatting that can't be spoken. Respond to what the user said in a creative, helpful, and brief way.",
         ),
     )
@@ -136,6 +135,9 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
     async def on_client_connected(transport, client):
         logger.info(f"Client connected")
         # Kick off the conversation.
+        context.add_message(
+            {"role": "developer", "content": "Please introduce yourself to the user."}
+        )
         await task.queue_frames([LLMRunFrame()])
 
     @transport.event_handler("on_client_disconnected")
diff --git a/examples/function-calling/function-calling-qwen.py b/examples/function-calling/function-calling-qwen.py
index 78aa48adf..366f35ec8 100644
--- a/examples/function-calling/function-calling-qwen.py
+++ b/examples/function-calling/function-calling-qwen.py
@@ -134,6 +134,9 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
     async def on_client_connected(transport, client):
         logger.info(f"Client connected")
         # Kick off the conversation.
+        context.add_message(
+            {"role": "developer", "content": "Please introduce yourself to the user."}
+        )
         await task.queue_frames([LLMRunFrame()])
 
     @transport.event_handler("on_client_disconnected")
diff --git a/examples/function-calling/function-calling-sambanova.py b/examples/function-calling/function-calling-sambanova.py
index 528c4fc47..091bbe449 100644
--- a/examples/function-calling/function-calling-sambanova.py
+++ b/examples/function-calling/function-calling-sambanova.py
@@ -133,6 +133,9 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
     async def on_client_connected(transport, client):
         logger.info(f"Client connected")
         # Kick off the conversation.
+        context.add_message(
+            {"role": "developer", "content": "Please introduce yourself to the user."}
+        )
         await task.queue_frames([LLMRunFrame()])
 
     @transport.event_handler("on_client_disconnected")