Update nano banana preview models to GA

.gemini/styleguide.md

@@ -127,22 +127,24 @@ and Vertex AI/Agent Platform) as of 2026. Do not use legacy libraries and SDKs.
     -   **General Text & Multimodal Tasks:** `gemini-3.5-flash`
     -   **Coding and Complex Reasoning Tasks:** `gemini-3.1-pro-preview`
     -   **Low Latency & High Volume Tasks:** `gemini-3.1-flash-lite`
-    -   **Fast Image Generation and Editing:** `gemini-3.1-flash-image-preview` (aka Nano Banana 2)
-    -   **High-Quality Image Generation and Editing:** `gemini-3-pro-image-preview` (aka Nano Banana Pro)
+    -   **Fast Image Generation and Editing:** `gemini-3.1-flash-image` (aka Nano Banana 2)
+    -   **High-Quality Image Generation and Editing:** `gemini-3-pro-image` (aka Nano Banana Pro)
     -   **High-Fidelity Video Generation:**  or `veo-3.1-generate-001`
     -   **Advanced Video Editing Tasks:** `veo-3.1-generate-001`
     -   **Video Generation, Balance of speed and quality:**  `veo-3.1-fast-generate-001`
     -   **Fast Video Generation:** `veo-3.1-lite-generate-001`
 
 -   It is also acceptable to use following models if explicitly requested by the
     user:
-    -   **Gemini 3 Flash Preview**: `gemini-3-flash-preview`
     -   **Gemini 2.5 Series**: `gemini-2.5-flash`, `gemini-2.5-pro`, `gemini-2.5-flash-lite`
     -   **Nano Banana:** `gemini-2.5-flash-image`
 
 -   Do not use the following deprecated models (or their variants like
     `gemini-1.5-flash-latest`):
-    -   **Gemini 3 Pro**: `gemini-3-pro-preview` (Replaced by `gemini-3.1-pro-preview`)
+    -   **Gemini 3 Pro Preview**: `gemini-3-pro-preview` (Replaced by `gemini-3.1-pro-preview`)
+    -   **Gemini 3 Flash Preview**: `gemini-3-flash-preview`
+    -   **Gemini 3.1 Flash Image Preview**: `gemini-3.1-flash-image-preview`
+    -   **Gemini 3 Pro Image Preview**: `gemini-3-pro-image-preview`
     -   **Gemini 2.0 Series**: `gemini-2.0-flash`, `gemini-2.0-flash-lite`
     -   **Gemini 1.5 Series**: `gemini-1.5-flash`, `gemini-1.5-pro`
     -   **Prohibited:** `gemini-pro`

gemini/use-cases/customer-support/customer_support_gemini_genai_sdk.ipynb

@@ -33,18 +33,18 @@
         "\n",
         "<table align=\"left\">\n",
         "  <td style=\"text-align: center\">\n",
-        "    <a href=\"https://colab.research.google.com/github/GoogleCloudPlatform/generative-ai/blob/main/gemini/use-cases/customer-support/customer_support_gemini_genai_sdk.ipynb.ipynb\">\n",
+        "    <a href=\"https://colab.research.google.com/github/GoogleCloudPlatform/generative-ai/blob/main/gemini/use-cases/customer-support/customer_support_gemini_genai_sdk.ipynb\">\n",
         "      <img width=\"32px\" src=\"https://www.gstatic.com/pantheon/images/bigquery/welcome_page/colab-logo.svg\" alt=\"Google Colaboratory logo\"><br> Open in Colab\n",
         "    </a>\n",
         "  </td>\n",
         "  <td style=\"text-align: center\">\n",
-        "    <a href=\"https://console.cloud.google.com/vertex-ai/colab/import/https:%2F%2Fraw.githubusercontent.com%2FGoogleCloudPlatform%2Fgenerative-ai%2Fmain%2Fgemini%2Fuse-cases%2Fcustomer-support%2Fcustomer_support_gemini_genai_sdk.ipynb\">\n",
+        "    <a href=\"https://console.cloud.google.com/agent-platform/colab/import/https:%2F%2Fraw.githubusercontent.com%2FGoogleCloudPlatform%2Fgenerative-ai%2Fmain%2Fgemini%2Fuse-cases%2Fcustomer-support%2Fcustomer_support_gemini_genai_sdk.ipynb\">\n",
         "      <img width=\"32px\" src=\"https://lh3.googleusercontent.com/JmcxdQi-qOpctIvWKgPtrzZdJJK-J3sWE1RsfjZNwshCFgE_9fULcNpuXYTilIR2hjwN\" alt=\"Google Cloud Colab Enterprise logo\"><br> Open in Colab Enterprise\n",
         "    </a>\n",
         "  </td>\n",
         "  <td style=\"text-align: center\">\n",
-        "    <a href=\"https://console.cloud.google.com/vertex-ai/workbench/deploy-notebook?download_url=https://raw.githubusercontent.com/GoogleCloudPlatform/generative-ai/main/gemini/use-cases/customer-support/customer_support_gemini_genai_sdk.ipynb\">\n",
-        "      <img src=\"https://www.gstatic.com/images/branding/gcpiconscolors/vertexai/v1/32px.svg\" alt=\"Vertex AI logo\"><br> Open in Vertex AI Workbench\n",
+        "    <a href=\"https://console.cloud.google.com/agent-platform/workbench/instances?download_url=https://raw.githubusercontent.com/GoogleCloudPlatform/generative-ai/main/gemini/use-cases/customer-support/customer_support_gemini_genai_sdk.ipynb\">\n",
+        "      <img width=\"32px\" src=\"https://storage.googleapis.com/github-repo/workbench-icon.svg\" alt=\"Workbench logo\"><br> Open in Workbench\n",
         "    </a>\n",
         "  </td>\n",
         "  <td style=\"text-align: center\">\n",
@@ -56,6 +56,7 @@
         "\n",
         "<div style=\"clear: both;\"></div>\n",
         "\n",
+        "<p>\n",
         "<b>Share to:</b>\n",
         "\n",
         "<a href=\"https://www.linkedin.com/sharing/share-offsite/?url=https%3A//github.com/GoogleCloudPlatform/generative-ai/blob/main/gemini/use-cases/customer-support/customer_support_gemini_genai_sdk.ipynb\" target=\"_blank\">\n",
@@ -76,7 +77,8 @@
         "\n",
         "<a href=\"https://www.facebook.com/sharer/sharer.php?u=https%3A//github.com/GoogleCloudPlatform/generative-ai/blob/main/gemini/use-cases/customer-support/customer_support_gemini_genai_sdk.ipynb\" target=\"_blank\">\n",
         "  <img width=\"20px\" src=\"https://upload.wikimedia.org/wikipedia/commons/5/51/Facebook_f_logo_%282019%29.svg\" alt=\"Facebook logo\">\n",
-        "</a>"
+        "</a>\n",
+        "</p>"
       ]
     },
     {
@@ -504,7 +506,6 @@
       "source": [
         "from pydantic import BaseModel, RootModel\n",
         "\n",
-        "\n",
         "class MatchedFurnitureInfo(BaseModel):\n",
         "    id: int\n",
         "    match_score: int\n",
@@ -709,7 +710,7 @@
       "outputs": [],
       "source": [
         "response = client.models.generate_content(\n",
-        "    model=\"gemini-3.1-flash-image-preview\",\n",
+        "    model=\"gemini-3.1-flash-image\",\n",
         "    contents=[\n",
         "        contents,\n",
         "        \"Create an image with the chair be integrated in the living room\",\n",

gemini/use-cases/retail/retail_ai_location_strategy_gemini_3.ipynb

@@ -38,13 +38,13 @@
         "    </a>\n",
         "  </td>\n",
         "  <td style=\"text-align: center\">\n",
-        "    <a href=\"https://console.cloud.google.com/vertex-ai/colab/import/https:%2F%2Fraw.githubusercontent.com%2FGoogleCloudPlatform%2Fgenerative-ai%2Fmain%2Fgemini%2Fuse-cases%2Fretail%2Fretail_ai_location_strategy_gemini_3.ipynb\">\n",
+        "    <a href=\"https://console.cloud.google.com/agent-platform/colab/import/https:%2F%2Fraw.githubusercontent.com%2FGoogleCloudPlatform%2Fgenerative-ai%2Fmain%2Fgemini%2Fuse-cases%2Fretail%2Fretail_ai_location_strategy_gemini_3.ipynb\">\n",
         "      <img width=\"32px\" src=\"https://lh3.googleusercontent.com/JmcxdQi-qOpctIvWKgPtrzZdJJK-J3sWE1RsfjZNwshCFgE_9fULcNpuXYTilIR2hjwN\" alt=\"Google Cloud Colab Enterprise logo\"><br> Open in Colab Enterprise\n",
         "    </a>\n",
         "  </td>\n",
         "  <td style=\"text-align: center\">\n",
-        "    <a href=\"https://console.cloud.google.com/vertex-ai/workbench/deploy-notebook?download_url=https://raw.githubusercontent.com/GoogleCloudPlatform/generative-ai/main/gemini/use-cases/retail/retail_ai_location_strategy_gemini_3.ipynb\">\n",
-        "      <img src=\"https://www.gstatic.com/images/branding/gcpiconscolors/vertexai/v1/32px.svg\" alt=\"Vertex AI logo\"><br> Open in Vertex AI Workbench\n",
+        "    <a href=\"https://console.cloud.google.com/agent-platform/workbench/instances?download_url=https://raw.githubusercontent.com/GoogleCloudPlatform/generative-ai/main/gemini/use-cases/retail/retail_ai_location_strategy_gemini_3.ipynb\">\n",
+        "      <img width=\"32px\" src=\"https://storage.googleapis.com/github-repo/workbench-icon.svg\" alt=\"Workbench logo\"><br> Open in Workbench\n",
         "    </a>\n",
         "  </td>\n",
         "  <td style=\"text-align: center\">\n",
@@ -1911,7 +1911,7 @@
       },
       "outputs": [],
       "source": [
-        "MODEL_ID = \"gemini-3-pro-image-preview\"\n",
+        "MODEL_ID = \"gemini-3-pro-image\"\n",
         "\n",
         "prompt = f\"\"\"\n",
         "Generate an infographic for the following report\n",

gemini/use-cases/spatial-understanding/object_detection_and_editing.ipynb

@@ -697,8 +697,8 @@
         "    # Generally Available (GA)\n",
         "    GEMINI_2_5_FLASH_IMAGE = \"gemini-2.5-flash-image\"  # Nano Banana\n",
         "    # Preview\n",
-        "    GEMINI_3_PRO_IMAGE = \"gemini-3-pro-image-preview\"  # Nano Banana Pro\n",
-        "    GEMINI_3_1_FLASH_IMAGE = \"gemini-3.1-flash-image-preview\"  # Nano Banana 2\n",
+        "    GEMINI_3_PRO_IMAGE = \"gemini-3-pro-image\"  # Nano Banana Pro\n",
+        "    GEMINI_3_1_FLASH_IMAGE = \"gemini-3.1-flash-image\"  # Nano Banana 2\n",
         "    # Default model used for image editing\n",
         "    DEFAULT = GEMINI_2_5_FLASH_IMAGE\n",
         "\n",

vision/sample-apps/genmedia-live/app.py

@@ -74,7 +74,7 @@
         pass
 
 VEO_MODEL_ID = "veo-3.1-generate-001"
-GEMINI_IMAGE_MODEL = "gemini-3-pro-image-preview"
+GEMINI_IMAGE_MODEL = "gemini-3-pro-image"
 GEMINI_LIVE_MODEL = "gemini-live-2.5-flash-native-audio"
 
 IMAGE_ASPECT_RATIOS = [
@@ -1587,4 +1587,4 @@ def serve_style():
     print(f"ffmpeg: {'available' if shutil.which('ffmpeg') else 'NOT FOUND'}")
     print("=" * 50)
 
-    socketio.run(app, host="0.0.0.0", port=8080, debug=False)
+    socketio.run(app, host="0.0.0.0", port=8080, debug=False)