diff --git a/tests/e2e/llm_translation/realtime/REALTIME_COVERAGE_MATRIX.md b/tests/e2e/llm_translation/realtime/REALTIME_COVERAGE_MATRIX.md
index bae858d50af..a6e32b88479 100644
--- a/tests/e2e/llm_translation/realtime/REALTIME_COVERAGE_MATRIX.md
+++ b/tests/e2e/llm_translation/realtime/REALTIME_COVERAGE_MATRIX.md
@@ -42,7 +42,7 @@ at call time. The provider table below is the source of truth; edit `PROVIDERS`
 | openai | `openai-realtime` | `openai/gpt-realtime-2` |
 | azure | `azure-realtime` | `azure/gpt-realtime-2` (GA protocol) |
 | gemini | `gemini-realtime` | `gemini/gemini-3.1-flash-live-preview` |
-| vertex_ai | `vertex-realtime` | `vertex_ai/gemini-live-2.5-flash-preview-native-audio-09-2025` |
+| vertex_ai | `vertex-realtime` | `vertex_ai/gemini-live-2.5-flash-native-audio` |
 
 Bedrock and xai (`xai/grok-4-1-fast-non-reasoning`) are supported by the proxy but
 kept commented out in `PROVIDERS` until they pass end-to-end here; re-enable them by
diff --git a/tests/e2e/llm_translation/realtime/realtime_client.py b/tests/e2e/llm_translation/realtime/realtime_client.py
index 632a9cf7e57..3ffca7e8b88 100644
--- a/tests/e2e/llm_translation/realtime/realtime_client.py
+++ b/tests/e2e/llm_translation/realtime/realtime_client.py
@@ -78,7 +78,7 @@ PROVIDERS = (
         "vertex_ai",
         "vertex-realtime",
         LiteLLMParamsBody(
-            model="vertex_ai/gemini-live-2.5-flash-preview-native-audio-09-2025",
+            model="vertex_ai/gemini-live-2.5-flash-native-audio",
             vertex_location="us-central1",
             vertex_credentials="os.environ/VERTEXAI_CREDENTIALS",
         ),