diff --git a/notebooks/official/generative_ai/anthropic_claude_intro.ipynb b/notebooks/official/generative_ai/anthropic_claude_intro.ipynb
index 3ebb08b6c..513669dbb 100644
--- a/notebooks/official/generative_ai/anthropic_claude_intro.ipynb
+++ b/notebooks/official/generative_ai/anthropic_claude_intro.ipynb
@@ -72,6 +72,9 @@
         "\n",
         "### Available Anthropic Claude models\n",
         "\n",
+        "#### Claude Opus 5.5\n",
+        "Claude Opus 5.5 is Anthropic's most capable Opus model. Better at coding, knowledge work, and long-running tasks. It's easier to collaborate with and more cost efficient than ever.\n",
+        "\n",
         "#### Claude Fable 5.1\n",
         "Claude Fable 5.1 delivers frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows.\n",
         "\n",
@@ -204,9 +207,10 @@
       },
       "outputs": [],
       "source": [
-        "MODEL = \"claude-fable-5-1\"  # @param [\"claude-fable-5-1\",\"claude-opus-5\",\"claude-sonnet-5\",\"claude-fable-5\",\"claude-opus-4-8\",\"claude-opus-4-7\",\"claude-sonnet-4-6\",\"claude-opus-4-6\",\"claude-opus-4-5\",\"claude-haiku-4-5\",\"claude-sonnet-4-5\",\"claude-opus-4-1\",\"claude-sonnet-4\",\"claude-opus-4\",\"claude-3-7-sonnet\",\"claude-3-5-sonnet-v2\",\"claude-3-5-haiku\",\"claude-3-5-sonnet\",\"claude-3-opus\",\"claude-3-haiku\"]\n",
+        "MODEL = \"claude-opus-5-5\"  # @param [\"claude-opus-5-5\",\"claude-fable-5-1\",\"claude-opus-5\",\"claude-sonnet-5\",\"claude-fable-5\",\"claude-opus-4-8\",\"claude-opus-4-7\",\"claude-sonnet-4-6\",\"claude-opus-4-6\",\"claude-opus-4-5\",\"claude-haiku-4-5\",\"claude-sonnet-4-5\",\"claude-opus-4-1\",\"claude-sonnet-4\",\"claude-opus-4\",\"claude-3-7-sonnet\",\"claude-3-5-sonnet-v2\",\"claude-3-5-haiku\",\"claude-3-5-sonnet\",\"claude-3-opus\",\"claude-3-haiku\"]\n",
         "# Available regions per model.\n",
         "MODEL_AVAILABLE_REGIONS = {\n",
+        "    \"claude-opus-5-5\": [\"global\", \"us\", \"eu\"],\n",
         "    \"claude-fable-5-1\": [\"global\", \"us\", \"eu\"],\n",
         "    \"claude-opus-5\": [\"global\", \"us\", \"eu\"],\n",
         "    \"claude-sonnet-5\": [\"global\", \"us\", \"eu\"],\n",
@@ -681,9 +685,10 @@
       },
       "outputs": [],
       "source": [
-        "MODEL = \"claude-fable-5-1\"  # @param [\"claude-fable-5-1\",\"claude-opus-5\",\"claude-sonnet-5\",\"claude-fable-5\",\"claude-opus-4-8\",\"claude-opus-4-7\",\"claude-sonnet-4-6\",\"claude-opus-4-6\",\"claude-opus-4-5\",\"claude-haiku-4-5\",\"claude-sonnet-4-5\",\"claude-opus-4-1\",\"claude-sonnet-4\",\"claude-opus-4\",\"claude-3-7-sonnet\",\"claude-3-5-sonnet-v2\",\"claude-3-5-haiku\",\"claude-3-5-sonnet\",\"claude-3-opus\",\"claude-3-haiku\"]\n",
+        "MODEL = \"claude-opus-5-5\"  # @param [\"claude-opus-5-5\",\"claude-fable-5-1\",\"claude-opus-5\",\"claude-sonnet-5\",\"claude-fable-5\",\"claude-opus-4-8\",\"claude-opus-4-7\",\"claude-sonnet-4-6\",\"claude-opus-4-6\",\"claude-opus-4-5\",\"claude-haiku-4-5\",\"claude-sonnet-4-5\",\"claude-opus-4-1\",\"claude-sonnet-4\",\"claude-opus-4\",\"claude-3-7-sonnet\",\"claude-3-5-sonnet-v2\",\"claude-3-5-haiku\",\"claude-3-5-sonnet\",\"claude-3-opus\",\"claude-3-haiku\"]\n",
         "# Available regions per model.\n",
         "MODEL_AVAILABLE_REGIONS = {\n",
+        "    \"claude-opus-5-5\": [\"global\", \"us\", \"eu\"],\n",
         "    \"claude-fable-5-1\": [\"global\", \"us\", \"eu\"],\n",
         "    \"claude-opus-5\": [\"global\", \"us\", \"eu\"],\n",
         "    \"claude-sonnet-5\": [\"global\", \"us\", \"eu\"],\n",