docs: use gemini-3.8-flash in the Google GenAI and ADK examples

examples/adk/README.md

@@ -1,6 +1,6 @@
 # Google ADK + Braintrust
 
-Calls `braintrust.auto_instrument()` so Google ADK is patched automatically, then runs a weather agent against `gemini-2.0-flash` with one tool. The trace shows the runner span, the agent span, the LLM span, and the tool call.
+Calls `braintrust.auto_instrument()` so Google ADK is patched automatically, then runs a weather agent against `gemini-3.8-flash` with one tool. The trace shows the runner span, the agent span, the LLM span, and the tool call.
 
 ## Run
 

examples/adk/example.py

@@ -26,7 +26,7 @@ def get_weather(location: str):
 async def main():
     agent = Agent(
         name="weather_agent",
-        model="gemini-2.0-flash",
+        model="gemini-3.8-flash",
         instruction="You are a helpful weather assistant.",
         tools=[get_weather],
     )

examples/google_genai/README.md

@@ -1,6 +1,6 @@
 # Google GenAI + Braintrust
 
-Calls `braintrust.auto_instrument()` to patch the Google GenAI client, then runs a single `generate_content` call against `gemini-2.0-flash-001`. The trace captures the LLM span with token metrics.
+Calls `braintrust.auto_instrument()` to patch the Google GenAI client, then runs a single `generate_content` call against `gemini-3.8-flash`. The trace captures the LLM span with token metrics.
 
 ## Run
 

examples/google_genai/example.py

@@ -13,7 +13,7 @@
 client = genai.Client()
 
 response = client.models.generate_content(
-    model="gemini-2.0-flash-001",
+    model="gemini-3.8-flash",
     contents="What is the capital of Australia?",
 )
 print(response.text)

integrations/adk-py/README.md

@@ -64,7 +64,7 @@ setup_adk(
 # Create your ADK agent as normal
 agent = LlmAgent(
     tools=[get_weather, get_current_time],
-    model="gemini-2.0-flash-exp",
+    model="gemini-3.8-flash",
     system_instruction="You are a helpful assistant that can check weather and time."
 )
 
@@ -108,7 +108,7 @@ def search_flights(origin: str, destination: str, date: str) -> dict:
 # Create agent with multiple tools
 agent = LlmAgent(
     tools=[get_weather, search_flights],
-    model="gemini-2.0-flash-exp",
+    model="gemini-3.8-flash",
     system_instruction="You are a travel assistant."
 )
 

integrations/adk-py/examples/manual.py

@@ -55,7 +55,7 @@ def get_user_info(name: str):
 
     agent = CustomAgent(
         name="hello_agent",
-        model="gemini-2.0-flash",
+        model="gemini-3.8-flash",
         instruction="Use the appropriate tool based on the user's request. For greetings, use say_hello. For user info requests, use get_user_info.",
         tools=[say_hello, get_user_info],
     )

integrations/adk-py/examples/mcp_tracing/agent.py

@@ -36,7 +36,7 @@ async def main():
     # Create agent with MCP filesystem tools
     agent = LlmAgent(
         name="filesystem_assistant",
-        model="gemini-2.0-flash-exp",
+        model="gemini-3.8-flash",
         instruction="You are a helpful assistant that can read and list files. Be concise in your responses.",
         tools=[
             MCPToolset(

integrations/adk-py/examples/multi_tool_agent/agent.py

@@ -66,7 +66,7 @@ def get_current_time(city: str) -> Dict[str, str]:
 
 root_agent = LlmAgent(
     name="weather_time_agent",
-    model="gemini-2.0-flash",
+    model="gemini-3.8-flash",
     description=("Agent to answer questions about the time and weather in a city."),
     instruction=("You are a helpful agent who can answer user questions about the time and weather in a city."),
     tools=[get_weather, get_current_time],

py/src/braintrust/auto.py

@@ -140,7 +140,7 @@ def auto_instrument(
         # Google ADK
         from google.adk import Agent
         from google.adk.runners import Runner
-        agent = Agent(name="my_agent", model="gemini-2.0-flash")
+        agent = Agent(name="my_agent", model="gemini-3.8-flash")
         runner = Runner(agent=agent, app_name="my_app")
 
         # Pydantic AI
@@ -151,7 +151,7 @@ def auto_instrument(
         # Google GenAI
         from google.genai import Client
         client = Client()
-        client.models.generate_content(model="gemini-2.0-flash", contents="Hello!")
+        client.models.generate_content(model="gemini-3.8-flash", contents="Hello!")
         ```
     """
     if span_customizers is not None: