chore: remove references to flash-exp and unnecessary use of v1alpha

PiperOrigin-RevId: 745680746

Author: MarkDaoust

examples/src/main/java/com/google/genai/examples/LiveAudioConversationAsync.java

@@ -135,7 +135,7 @@ public static void main(String[] args) throws LineUnavailableException {
 
     // Instantiates the client.
     Client client =
-        Client.builder().httpOptions(HttpOptions.builder().apiVersion("v1alpha").build()).build();
+        Client.builder().httpOptions(HttpOptions.builder().apiVersion("v1beta").build()).build();
 
     // --- Audio Line Setup ---
     microphoneLine = getMicrophoneLine();
@@ -195,8 +195,12 @@ public static void main(String[] args) throws LineUnavailableException {
     try {
       // --- Connect to Gemini Live API ---
       System.out.println("Connecting to Gemini Live API...");
-      session =
-          client.async.live.connect("gemini-2.0-flash-exp", config).get(); // Use appropriate model
+
+      if (client.vertexAi()) {
+        session = client.async.live.connect("gemini-2.0-flash-live-preview-04-09", config).get();
+      } else {
+        session = client.async.live.connect("gemini-2.0-flash-live-001", config).get();
+      }
       System.out.println("Connected.");
 
       // --- Start Audio Lines ---

examples/src/main/java/com/google/genai/examples/LiveTextConversationAsync.java

@@ -58,7 +58,7 @@ public class LiveTextConversationAsync {
   public static void main(String[] args) {
     // Instantiates the client.
     Client client =
-        Client.builder().httpOptions(HttpOptions.builder().apiVersion("v1alpha").build()).build();
+        Client.builder().httpOptions(HttpOptions.builder().apiVersion("v1beta").build()).build();
 
     LiveConnectConfig config =
         LiveConnectConfig.builder()
@@ -71,8 +71,12 @@ public static void main(String[] args) {
     CompletableFuture<Void> allDone = new CompletableFuture<>();
 
     try {
-      AsyncSession session = client.async.live.connect("gemini-2.0-flash-exp", config).get();
-
+      if (client.vertexAi()) {
+        AsyncSession session =
+            client.async.live.connect("gemini-2.0-flash-live-preview-04-09", config).get();
+      } else {
+        AsyncSession session = client.async.live.connect("gemini-2.0-flash-live-001", config).get();
+      }
       // Start receiving messages.
       CompletableFuture<Void> receiveFuture =
           session.receive(message -> printLiveServerMessage(message, allDone));

examples/src/main/java/com/google/genai/examples/LiveTextToAudioTranscriptionAsync.java

@@ -81,10 +81,17 @@ public static void main(String[] args) {
 
     CompletableFuture<Void> allDone = new CompletableFuture<>();
 
+    String modelName;
+    if (client.vertexAi()) {
+      modelName = "gemini-2.0-flash-live-preview-04-09";
+    } else {
+      modelName = "gemini-2.0-flash-live-001";
+    }
+
     client
         .async
         .live
-        .connect("gemini-2.0-flash-exp", config)
+        .connect(modelName, config)
         .thenCompose(
             session -> {
               String inputText = "What is the weather like in Tokyo now?";

examples/src/main/java/com/google/genai/examples/LiveTextToTextGenerationAsync.java

@@ -55,17 +55,24 @@ public class LiveTextToTextGenerationAsync {
   public static void main(String[] args) {
     // Instantiates the client.
     Client client =
-        Client.builder().httpOptions(HttpOptions.builder().apiVersion("v1alpha").build()).build();
+        Client.builder().httpOptions(HttpOptions.builder().apiVersion("v1beta").build()).build();
 
     LiveConnectConfig config =
         LiveConnectConfig.builder().responseModalities(ImmutableList.of("TEXT")).build();
 
     CompletableFuture<Void> allDone = new CompletableFuture<>();
 
+    String modelName;
+    if (client.vertexAi()) {
+      modelName = "gemini-2.0-flash-live-preview-04-09";
+    } else {
+      modelName = "gemini-2.0-flash-live-001";
+    }
+
     client
         .async
         .live
-        .connect("gemini-2.0-flash-exp", config)
+        .connect(modelName, config)
         .thenCompose(
             session -> {
               String inputText = "Write a short poem about a cat.";

src/test/java/com/google/genai/DefaultValuesTest.java

@@ -51,7 +51,7 @@ public void testDefaultValues() throws Exception {
     apiClientField.set(client.models, httpClientSpy);
 
     GenerateContentResponse response =
-        client.models.generateContent("gemini-2.0-flash-exp", "What is your name?", null);
+        client.models.generateContent("gemini-2.0-flash", "What is your name?", null);
 
     ArgumentCaptor<String> argumentCaptor = ArgumentCaptor.forClass(String.class);
     verify(httpClientSpy).post(argumentCaptor.capture(), argumentCaptor.capture());

src/test/java/com/google/genai/ForwardCompatibilityTest.java

@@ -57,7 +57,7 @@ public void testForwardCompatibility() throws Exception {
     apiClientField.set(client.models, mockedClient);
 
     GenerateContentResponse response =
-        client.models.generateContent("gemini-2.0-flash-exp", "What is your name?", null);
+        client.models.generateContent("gemini-2.0-flash", "What is your name?", null);
 
     assertNotNull(response);
   }

src/test/java/com/google/genai/HttpApiClientTest.java

@@ -272,7 +272,7 @@ public void testProxySetup() throws Exception {
       Client client = Client.builder().httpOptions(httpOptions).build();
 
       GenerateContentResponse response =
-          client.models.generateContent("gemini-2.0-flash-exp", "What is your name?", null);
+          client.models.generateContent("gemini-2.0-flash", "What is your name?", null);
 
       assertEquals(response.text(), expectedText);
     } finally {