feat: Update model to gemini-3.1-flash-live-preview and configure turn coverage for activity-only turns.

Author: thorwebdev

command-line/python/main.py

@@ -14,7 +14,7 @@
 pya = pyaudio.PyAudio()
 
 # --- Live API config ---
-MODEL = "gemini-2.5-flash-native-audio-preview-12-2025"
+MODEL = "gemini-3.1-flash-live-preview"
 CONFIG = {
     "response_modalities": ["AUDIO"],
     "system_instruction": "You are a helpful and friendly AI assistant.",

gemini-live-ephemeral-tokens-websocket/frontend/geminilive.js

@@ -346,6 +346,7 @@ class GeminiLiveAPI {
         },
         systemInstruction: { parts: [{ text: this.systemInstructions }] },
         tools: [{ functionDeclarations: tools }],
+        turnCoverage: "TURN_INCLUDES_ONLY_ACTIVITY",
         // proactivity: this.proactivity,
 
         // realtimeInputConfig: {

gemini-live-ephemeral-tokens-websocket/frontend/script.js

@@ -22,10 +22,8 @@ function initDOM() {
     "enableInputTranscription",
     "enableOutputTranscription",
     "enableGrounding",
-    "enableAffectiveDialog",
     "enableAlertTool",
     "enableCssStyleTool",
-    "enableProactiveAudio",
     "voiceSelect",
     "temperature",
     "temperatureValue",
@@ -136,16 +134,10 @@ async function connect() {
     state.client.outputAudioTranscription =
       elements.enableOutputTranscription.checked;
     state.client.googleGrounding = elements.enableGrounding.checked;
-    state.client.enableAffectiveDialog = elements.enableAffectiveDialog.checked;
     state.client.responseModalities = ["AUDIO"];
     state.client.voiceName = elements.voiceSelect.value;
     state.client.temperature = parseFloat(elements.temperature.value);
 
-    // Set proactivity configuration
-    state.client.proactivity = {
-      proactiveAudio: elements.enableProactiveAudio.checked,
-    };
-
     // Set automatic activity detection configuration
     state.client.automaticActivityDetection = {
       disabled: elements.disableActivityDetection.checked,

gemini-live-genai-python-sdk/frontend/index.html

@@ -35,11 +35,7 @@ <h3>Features Enabled:</h3>
               <li>
                 <strong>Multilingual:</strong> Speak in different languages
               </li>
-              <li>
-                <strong>Proactive Audio:</strong> Gemini can initiate speech
-                based on instructions E.g. "Only talk when I mention food"
-              </li>
-              <li><strong>Affective Audio:</strong> Emotional tone matching</li>
+
             </ul>
             <p>
               <em

gemini-live-genai-python-sdk/frontend/main.js

@@ -30,10 +30,8 @@ const geminiClient = new GeminiClient({
     // Send hidden instruction
     geminiClient.sendText(
       `System: Introduce yourself as a demo of the Gemini Live API.
-       Suggest playing with features like the native audio for accents, multilingual support,
-        proactive audio by asking you not to speak until I say something specific,
-        or the affective audio capabilities by changing the emotion in your voice to
-        match the tone of the conversation. Keep the intro concise and friendly.`
+       Suggest playing with features like the native audio for accents and multilingual support.
+       Keep the intro concise and friendly.`
     );
   },
   onMessage: (event) => {

gemini-live-genai-python-sdk/gemini_live.py

@@ -42,8 +42,8 @@ async def start_session(self, audio_input_queue, video_input_queue, text_input_q
             system_instruction=types.Content(parts=[types.Part(text="You are a helpful AI assistant. Keep your responses concise. Speak in a friendly Irish accent. You can see the user's camera or screen which is shared as realtime input images with you.")]),
             input_audio_transcription=types.AudioTranscriptionConfig(),
             output_audio_transcription=types.AudioTranscriptionConfig(),
-            #proactivity=types.ProactivityConfig(proactive_audio=True),
-            #enable_affective_dialog=True,
+            turn_coverage="TURN_INCLUDES_ONLY_ACTIVITY",
+
             tools=self.tools,
         )
 

gemini-live-genai-python-sdk/main.py

@@ -22,7 +22,7 @@
 
 # Configuration
 GEMINI_API_KEY = os.getenv("GEMINI_API_KEY")
-MODEL = os.getenv("MODEL", "gemini-2.5-flash-native-audio-preview-12-2025")
+MODEL = os.getenv("MODEL", "gemini-3.1-flash-live-preview")
 
 # Initialize FastAPI
 app = FastAPI()