diff --git a/homeassistant/components/google_generative_ai_conversation/const.py b/homeassistant/components/google_generative_ai_conversation/const.py
index 108ffe1891d..a7dd584ebee 100644
--- a/homeassistant/components/google_generative_ai_conversation/const.py
+++ b/homeassistant/components/google_generative_ai_conversation/const.py
@@ -16,7 +16,7 @@ RECOMMENDED_TOP_P = 0.95
 CONF_TOP_K = "top_k"
 RECOMMENDED_TOP_K = 64
 CONF_MAX_TOKENS = "max_tokens"
-RECOMMENDED_MAX_TOKENS = 150
+RECOMMENDED_MAX_TOKENS = 1500
 CONF_HARASSMENT_BLOCK_THRESHOLD = "harassment_block_threshold"
 CONF_HATE_BLOCK_THRESHOLD = "hate_block_threshold"
 CONF_SEXUAL_BLOCK_THRESHOLD = "sexual_block_threshold"
diff --git a/tests/components/google_generative_ai_conversation/snapshots/test_conversation.ambr b/tests/components/google_generative_ai_conversation/snapshots/test_conversation.ambr
index 2376bf51cdc..ce257e61d53 100644
--- a/tests/components/google_generative_ai_conversation/snapshots/test_conversation.ambr
+++ b/tests/components/google_generative_ai_conversation/snapshots/test_conversation.ambr
@@ -6,7 +6,7 @@
       tuple(
       ),
       dict({
-        'config': GenerateContentConfig(http_options=None, system_instruction="You are a voice assistant for Home Assistant.\nAnswer questions about the world truthfully.\nAnswer in plain text. Keep it simple and to the point.\nOnly if the user wants to control a device, tell them to expose entities to their voice assistant in Home Assistant.\nCurrent time is 05:00:00. Today's date is 2024-05-24.", temperature=1.0, top_p=0.95, top_k=64.0, candidate_count=None, max_output_tokens=150, stop_sequences=None, response_logprobs=None, logprobs=None, presence_penalty=None, frequency_penalty=None, seed=None, response_mime_type=None, response_schema=None, routing_config=None, safety_settings=[SafetySetting(method=None, category=<HarmCategory.HARM_CATEGORY_HATE_SPEECH: 'HARM_CATEGORY_HATE_SPEECH'>, threshold=<HarmBlockThreshold.BLOCK_MEDIUM_AND_ABOVE: 'BLOCK_MEDIUM_AND_ABOVE'>), SafetySetting(method=None, category=<HarmCategory.HARM_CATEGORY_HARASSMENT: 'HARM_CATEGORY_HARASSMENT'>, threshold=<HarmBlockThreshold.BLOCK_MEDIUM_AND_ABOVE: 'BLOCK_MEDIUM_AND_ABOVE'>), SafetySetting(method=None, category=<HarmCategory.HARM_CATEGORY_DANGEROUS_CONTENT: 'HARM_CATEGORY_DANGEROUS_CONTENT'>, threshold=<HarmBlockThreshold.BLOCK_MEDIUM_AND_ABOVE: 'BLOCK_MEDIUM_AND_ABOVE'>), SafetySetting(method=None, category=<HarmCategory.HARM_CATEGORY_SEXUALLY_EXPLICIT: 'HARM_CATEGORY_SEXUALLY_EXPLICIT'>, threshold=<HarmBlockThreshold.BLOCK_MEDIUM_AND_ABOVE: 'BLOCK_MEDIUM_AND_ABOVE'>)], tools=[Tool(function_declarations=[FunctionDeclaration(response=None, description='Test function', name='test_tool', parameters=Schema(example=None, pattern=None, default=None, max_length=None, title=None, min_length=None, min_properties=None, max_properties=None, any_of=None, description=None, enum=None, format=None, items=None, max_items=None, maximum=None, min_items=None, minimum=None, nullable=None, properties={'param1': Schema(example=None, pattern=None, default=None, max_length=None, title=None, min_length=None, min_properties=None, max_properties=None, any_of=None, description='Test parameters', enum=None, format=None, items=Schema(example=None, pattern=None, default=None, max_length=None, title=None, min_length=None, min_properties=None, max_properties=None, any_of=None, description=None, enum=None, format=None, items=None, max_items=None, maximum=None, min_items=None, minimum=None, nullable=None, properties=None, property_ordering=None, required=None, type=<Type.STRING: 'STRING'>), max_items=None, maximum=None, min_items=None, minimum=None, nullable=None, properties=None, property_ordering=None, required=None, type=<Type.ARRAY: 'ARRAY'>), 'param2': Schema(example=None, pattern=None, default=None, max_length=None, title=None, min_length=None, min_properties=None, max_properties=None, any_of=None, description=None, enum=None, format=None, items=None, max_items=None, maximum=None, min_items=None, minimum=None, nullable=None, properties=None, property_ordering=None, required=None, type=None), 'param3': Schema(example=None, pattern=None, default=None, max_length=None, title=None, min_length=None, min_properties=None, max_properties=None, any_of=None, description=None, enum=None, format=None, items=None, max_items=None, maximum=None, min_items=None, minimum=None, nullable=None, properties={'json': Schema(example=None, pattern=None, default=None, max_length=None, title=None, min_length=None, min_properties=None, max_properties=None, any_of=None, description=None, enum=None, format=None, items=None, max_items=None, maximum=None, min_items=None, minimum=None, nullable=None, properties=None, property_ordering=None, required=None, type=<Type.STRING: 'STRING'>)}, property_ordering=None, required=[], type=<Type.OBJECT: 'OBJECT'>)}, property_ordering=None, required=[], type=<Type.OBJECT: 'OBJECT'>))], retrieval=None, google_search=None, google_search_retrieval=None, code_execution=None)], tool_config=None, labels=None, cached_content=None, response_modalities=None, media_resolution=None, speech_config=None, audio_timestamp=None, automatic_function_calling=AutomaticFunctionCallingConfig(disable=True, maximum_remote_calls=None, ignore_call_history=None), thinking_config=None),
+        'config': GenerateContentConfig(http_options=None, system_instruction="You are a voice assistant for Home Assistant.\nAnswer questions about the world truthfully.\nAnswer in plain text. Keep it simple and to the point.\nOnly if the user wants to control a device, tell them to expose entities to their voice assistant in Home Assistant.\nCurrent time is 05:00:00. Today's date is 2024-05-24.", temperature=1.0, top_p=0.95, top_k=64.0, candidate_count=None, max_output_tokens=1500, stop_sequences=None, response_logprobs=None, logprobs=None, presence_penalty=None, frequency_penalty=None, seed=None, response_mime_type=None, response_schema=None, routing_config=None, safety_settings=[SafetySetting(method=None, category=<HarmCategory.HARM_CATEGORY_HATE_SPEECH: 'HARM_CATEGORY_HATE_SPEECH'>, threshold=<HarmBlockThreshold.BLOCK_MEDIUM_AND_ABOVE: 'BLOCK_MEDIUM_AND_ABOVE'>), SafetySetting(method=None, category=<HarmCategory.HARM_CATEGORY_HARASSMENT: 'HARM_CATEGORY_HARASSMENT'>, threshold=<HarmBlockThreshold.BLOCK_MEDIUM_AND_ABOVE: 'BLOCK_MEDIUM_AND_ABOVE'>), SafetySetting(method=None, category=<HarmCategory.HARM_CATEGORY_DANGEROUS_CONTENT: 'HARM_CATEGORY_DANGEROUS_CONTENT'>, threshold=<HarmBlockThreshold.BLOCK_MEDIUM_AND_ABOVE: 'BLOCK_MEDIUM_AND_ABOVE'>), SafetySetting(method=None, category=<HarmCategory.HARM_CATEGORY_SEXUALLY_EXPLICIT: 'HARM_CATEGORY_SEXUALLY_EXPLICIT'>, threshold=<HarmBlockThreshold.BLOCK_MEDIUM_AND_ABOVE: 'BLOCK_MEDIUM_AND_ABOVE'>)], tools=[Tool(function_declarations=[FunctionDeclaration(response=None, description='Test function', name='test_tool', parameters=Schema(example=None, pattern=None, default=None, max_length=None, title=None, min_length=None, min_properties=None, max_properties=None, any_of=None, description=None, enum=None, format=None, items=None, max_items=None, maximum=None, min_items=None, minimum=None, nullable=None, properties={'param1': Schema(example=None, pattern=None, default=None, max_length=None, title=None, min_length=None, min_properties=None, max_properties=None, any_of=None, description='Test parameters', enum=None, format=None, items=Schema(example=None, pattern=None, default=None, max_length=None, title=None, min_length=None, min_properties=None, max_properties=None, any_of=None, description=None, enum=None, format=None, items=None, max_items=None, maximum=None, min_items=None, minimum=None, nullable=None, properties=None, property_ordering=None, required=None, type=<Type.STRING: 'STRING'>), max_items=None, maximum=None, min_items=None, minimum=None, nullable=None, properties=None, property_ordering=None, required=None, type=<Type.ARRAY: 'ARRAY'>), 'param2': Schema(example=None, pattern=None, default=None, max_length=None, title=None, min_length=None, min_properties=None, max_properties=None, any_of=None, description=None, enum=None, format=None, items=None, max_items=None, maximum=None, min_items=None, minimum=None, nullable=None, properties=None, property_ordering=None, required=None, type=None), 'param3': Schema(example=None, pattern=None, default=None, max_length=None, title=None, min_length=None, min_properties=None, max_properties=None, any_of=None, description=None, enum=None, format=None, items=None, max_items=None, maximum=None, min_items=None, minimum=None, nullable=None, properties={'json': Schema(example=None, pattern=None, default=None, max_length=None, title=None, min_length=None, min_properties=None, max_properties=None, any_of=None, description=None, enum=None, format=None, items=None, max_items=None, maximum=None, min_items=None, minimum=None, nullable=None, properties=None, property_ordering=None, required=None, type=<Type.STRING: 'STRING'>)}, property_ordering=None, required=[], type=<Type.OBJECT: 'OBJECT'>)}, property_ordering=None, required=[], type=<Type.OBJECT: 'OBJECT'>))], retrieval=None, google_search=None, google_search_retrieval=None, code_execution=None)], tool_config=None, labels=None, cached_content=None, response_modalities=None, media_resolution=None, speech_config=None, audio_timestamp=None, automatic_function_calling=AutomaticFunctionCallingConfig(disable=True, maximum_remote_calls=None, ignore_call_history=None), thinking_config=None),
         'history': list([
         ]),
         'model': 'models/gemini-2.0-flash',
@@ -39,7 +39,7 @@
       tuple(
       ),
       dict({
-        'config': GenerateContentConfig(http_options=None, system_instruction="You are a voice assistant for Home Assistant.\nAnswer questions about the world truthfully.\nAnswer in plain text. Keep it simple and to the point.\nOnly if the user wants to control a device, tell them to expose entities to their voice assistant in Home Assistant.\nCurrent time is 05:00:00. Today's date is 2024-05-24.", temperature=1.0, top_p=0.95, top_k=64.0, candidate_count=None, max_output_tokens=150, stop_sequences=None, response_logprobs=None, logprobs=None, presence_penalty=None, frequency_penalty=None, seed=None, response_mime_type=None, response_schema=None, routing_config=None, safety_settings=[SafetySetting(method=None, category=<HarmCategory.HARM_CATEGORY_HATE_SPEECH: 'HARM_CATEGORY_HATE_SPEECH'>, threshold=<HarmBlockThreshold.BLOCK_MEDIUM_AND_ABOVE: 'BLOCK_MEDIUM_AND_ABOVE'>), SafetySetting(method=None, category=<HarmCategory.HARM_CATEGORY_HARASSMENT: 'HARM_CATEGORY_HARASSMENT'>, threshold=<HarmBlockThreshold.BLOCK_MEDIUM_AND_ABOVE: 'BLOCK_MEDIUM_AND_ABOVE'>), SafetySetting(method=None, category=<HarmCategory.HARM_CATEGORY_DANGEROUS_CONTENT: 'HARM_CATEGORY_DANGEROUS_CONTENT'>, threshold=<HarmBlockThreshold.BLOCK_MEDIUM_AND_ABOVE: 'BLOCK_MEDIUM_AND_ABOVE'>), SafetySetting(method=None, category=<HarmCategory.HARM_CATEGORY_SEXUALLY_EXPLICIT: 'HARM_CATEGORY_SEXUALLY_EXPLICIT'>, threshold=<HarmBlockThreshold.BLOCK_MEDIUM_AND_ABOVE: 'BLOCK_MEDIUM_AND_ABOVE'>)], tools=[Tool(function_declarations=[FunctionDeclaration(response=None, description='Test function', name='test_tool', parameters=None)], retrieval=None, google_search=None, google_search_retrieval=None, code_execution=None)], tool_config=None, labels=None, cached_content=None, response_modalities=None, media_resolution=None, speech_config=None, audio_timestamp=None, automatic_function_calling=AutomaticFunctionCallingConfig(disable=True, maximum_remote_calls=None, ignore_call_history=None), thinking_config=None),
+        'config': GenerateContentConfig(http_options=None, system_instruction="You are a voice assistant for Home Assistant.\nAnswer questions about the world truthfully.\nAnswer in plain text. Keep it simple and to the point.\nOnly if the user wants to control a device, tell them to expose entities to their voice assistant in Home Assistant.\nCurrent time is 05:00:00. Today's date is 2024-05-24.", temperature=1.0, top_p=0.95, top_k=64.0, candidate_count=None, max_output_tokens=1500, stop_sequences=None, response_logprobs=None, logprobs=None, presence_penalty=None, frequency_penalty=None, seed=None, response_mime_type=None, response_schema=None, routing_config=None, safety_settings=[SafetySetting(method=None, category=<HarmCategory.HARM_CATEGORY_HATE_SPEECH: 'HARM_CATEGORY_HATE_SPEECH'>, threshold=<HarmBlockThreshold.BLOCK_MEDIUM_AND_ABOVE: 'BLOCK_MEDIUM_AND_ABOVE'>), SafetySetting(method=None, category=<HarmCategory.HARM_CATEGORY_HARASSMENT: 'HARM_CATEGORY_HARASSMENT'>, threshold=<HarmBlockThreshold.BLOCK_MEDIUM_AND_ABOVE: 'BLOCK_MEDIUM_AND_ABOVE'>), SafetySetting(method=None, category=<HarmCategory.HARM_CATEGORY_DANGEROUS_CONTENT: 'HARM_CATEGORY_DANGEROUS_CONTENT'>, threshold=<HarmBlockThreshold.BLOCK_MEDIUM_AND_ABOVE: 'BLOCK_MEDIUM_AND_ABOVE'>), SafetySetting(method=None, category=<HarmCategory.HARM_CATEGORY_SEXUALLY_EXPLICIT: 'HARM_CATEGORY_SEXUALLY_EXPLICIT'>, threshold=<HarmBlockThreshold.BLOCK_MEDIUM_AND_ABOVE: 'BLOCK_MEDIUM_AND_ABOVE'>)], tools=[Tool(function_declarations=[FunctionDeclaration(response=None, description='Test function', name='test_tool', parameters=None)], retrieval=None, google_search=None, google_search_retrieval=None, code_execution=None)], tool_config=None, labels=None, cached_content=None, response_modalities=None, media_resolution=None, speech_config=None, audio_timestamp=None, automatic_function_calling=AutomaticFunctionCallingConfig(disable=True, maximum_remote_calls=None, ignore_call_history=None), thinking_config=None),
         'history': list([
         ]),
         'model': 'models/gemini-2.0-flash',
@@ -72,7 +72,7 @@
       tuple(
       ),
       dict({
-        'config': GenerateContentConfig(http_options=None, system_instruction="You are a voice assistant for Home Assistant.\nAnswer questions about the world truthfully.\nAnswer in plain text. Keep it simple and to the point.\nOnly if the user wants to control a device, tell them to expose entities to their voice assistant in Home Assistant.\nCurrent time is 05:00:00. Today's date is 2024-05-24.", temperature=1.0, top_p=0.95, top_k=64.0, candidate_count=None, max_output_tokens=150, stop_sequences=None, response_logprobs=None, logprobs=None, presence_penalty=None, frequency_penalty=None, seed=None, response_mime_type=None, response_schema=None, routing_config=None, safety_settings=[SafetySetting(method=None, category=<HarmCategory.HARM_CATEGORY_HATE_SPEECH: 'HARM_CATEGORY_HATE_SPEECH'>, threshold=<HarmBlockThreshold.BLOCK_MEDIUM_AND_ABOVE: 'BLOCK_MEDIUM_AND_ABOVE'>), SafetySetting(method=None, category=<HarmCategory.HARM_CATEGORY_HARASSMENT: 'HARM_CATEGORY_HARASSMENT'>, threshold=<HarmBlockThreshold.BLOCK_MEDIUM_AND_ABOVE: 'BLOCK_MEDIUM_AND_ABOVE'>), SafetySetting(method=None, category=<HarmCategory.HARM_CATEGORY_DANGEROUS_CONTENT: 'HARM_CATEGORY_DANGEROUS_CONTENT'>, threshold=<HarmBlockThreshold.BLOCK_MEDIUM_AND_ABOVE: 'BLOCK_MEDIUM_AND_ABOVE'>), SafetySetting(method=None, category=<HarmCategory.HARM_CATEGORY_SEXUALLY_EXPLICIT: 'HARM_CATEGORY_SEXUALLY_EXPLICIT'>, threshold=<HarmBlockThreshold.BLOCK_MEDIUM_AND_ABOVE: 'BLOCK_MEDIUM_AND_ABOVE'>)], tools=[Tool(function_declarations=[FunctionDeclaration(response=None, description='Test function', name='test_tool', parameters=Schema(example=None, pattern=None, default=None, max_length=None, title=None, min_length=None, min_properties=None, max_properties=None, any_of=None, description=None, enum=None, format=None, items=None, max_items=None, maximum=None, min_items=None, minimum=None, nullable=None, properties={'param1': Schema(example=None, pattern=None, default=None, max_length=None, title=None, min_length=None, min_properties=None, max_properties=None, any_of=None, description='Test parameters', enum=None, format=None, items=Schema(example=None, pattern=None, default=None, max_length=None, title=None, min_length=None, min_properties=None, max_properties=None, any_of=None, description=None, enum=None, format=None, items=None, max_items=None, maximum=None, min_items=None, minimum=None, nullable=None, properties=None, property_ordering=None, required=None, type=<Type.STRING: 'STRING'>), max_items=None, maximum=None, min_items=None, minimum=None, nullable=None, properties=None, property_ordering=None, required=None, type=<Type.ARRAY: 'ARRAY'>), 'param2': Schema(example=None, pattern=None, default=None, max_length=None, title=None, min_length=None, min_properties=None, max_properties=None, any_of=None, description=None, enum=None, format=None, items=None, max_items=None, maximum=None, min_items=None, minimum=None, nullable=None, properties=None, property_ordering=None, required=None, type=None), 'param3': Schema(example=None, pattern=None, default=None, max_length=None, title=None, min_length=None, min_properties=None, max_properties=None, any_of=None, description=None, enum=None, format=None, items=None, max_items=None, maximum=None, min_items=None, minimum=None, nullable=None, properties={'json': Schema(example=None, pattern=None, default=None, max_length=None, title=None, min_length=None, min_properties=None, max_properties=None, any_of=None, description=None, enum=None, format=None, items=None, max_items=None, maximum=None, min_items=None, minimum=None, nullable=None, properties=None, property_ordering=None, required=None, type=<Type.STRING: 'STRING'>)}, property_ordering=None, required=[], type=<Type.OBJECT: 'OBJECT'>)}, property_ordering=None, required=[], type=<Type.OBJECT: 'OBJECT'>))], retrieval=None, google_search=None, google_search_retrieval=None, code_execution=None), Tool(function_declarations=None, retrieval=None, google_search=GoogleSearch(), google_search_retrieval=None, code_execution=None)], tool_config=None, labels=None, cached_content=None, response_modalities=None, media_resolution=None, speech_config=None, audio_timestamp=None, automatic_function_calling=AutomaticFunctionCallingConfig(disable=True, maximum_remote_calls=None, ignore_call_history=None), thinking_config=None),
+        'config': GenerateContentConfig(http_options=None, system_instruction="You are a voice assistant for Home Assistant.\nAnswer questions about the world truthfully.\nAnswer in plain text. Keep it simple and to the point.\nOnly if the user wants to control a device, tell them to expose entities to their voice assistant in Home Assistant.\nCurrent time is 05:00:00. Today's date is 2024-05-24.", temperature=1.0, top_p=0.95, top_k=64.0, candidate_count=None, max_output_tokens=1500, stop_sequences=None, response_logprobs=None, logprobs=None, presence_penalty=None, frequency_penalty=None, seed=None, response_mime_type=None, response_schema=None, routing_config=None, safety_settings=[SafetySetting(method=None, category=<HarmCategory.HARM_CATEGORY_HATE_SPEECH: 'HARM_CATEGORY_HATE_SPEECH'>, threshold=<HarmBlockThreshold.BLOCK_MEDIUM_AND_ABOVE: 'BLOCK_MEDIUM_AND_ABOVE'>), SafetySetting(method=None, category=<HarmCategory.HARM_CATEGORY_HARASSMENT: 'HARM_CATEGORY_HARASSMENT'>, threshold=<HarmBlockThreshold.BLOCK_MEDIUM_AND_ABOVE: 'BLOCK_MEDIUM_AND_ABOVE'>), SafetySetting(method=None, category=<HarmCategory.HARM_CATEGORY_DANGEROUS_CONTENT: 'HARM_CATEGORY_DANGEROUS_CONTENT'>, threshold=<HarmBlockThreshold.BLOCK_MEDIUM_AND_ABOVE: 'BLOCK_MEDIUM_AND_ABOVE'>), SafetySetting(method=None, category=<HarmCategory.HARM_CATEGORY_SEXUALLY_EXPLICIT: 'HARM_CATEGORY_SEXUALLY_EXPLICIT'>, threshold=<HarmBlockThreshold.BLOCK_MEDIUM_AND_ABOVE: 'BLOCK_MEDIUM_AND_ABOVE'>)], tools=[Tool(function_declarations=[FunctionDeclaration(response=None, description='Test function', name='test_tool', parameters=Schema(example=None, pattern=None, default=None, max_length=None, title=None, min_length=None, min_properties=None, max_properties=None, any_of=None, description=None, enum=None, format=None, items=None, max_items=None, maximum=None, min_items=None, minimum=None, nullable=None, properties={'param1': Schema(example=None, pattern=None, default=None, max_length=None, title=None, min_length=None, min_properties=None, max_properties=None, any_of=None, description='Test parameters', enum=None, format=None, items=Schema(example=None, pattern=None, default=None, max_length=None, title=None, min_length=None, min_properties=None, max_properties=None, any_of=None, description=None, enum=None, format=None, items=None, max_items=None, maximum=None, min_items=None, minimum=None, nullable=None, properties=None, property_ordering=None, required=None, type=<Type.STRING: 'STRING'>), max_items=None, maximum=None, min_items=None, minimum=None, nullable=None, properties=None, property_ordering=None, required=None, type=<Type.ARRAY: 'ARRAY'>), 'param2': Schema(example=None, pattern=None, default=None, max_length=None, title=None, min_length=None, min_properties=None, max_properties=None, any_of=None, description=None, enum=None, format=None, items=None, max_items=None, maximum=None, min_items=None, minimum=None, nullable=None, properties=None, property_ordering=None, required=None, type=None), 'param3': Schema(example=None, pattern=None, default=None, max_length=None, title=None, min_length=None, min_properties=None, max_properties=None, any_of=None, description=None, enum=None, format=None, items=None, max_items=None, maximum=None, min_items=None, minimum=None, nullable=None, properties={'json': Schema(example=None, pattern=None, default=None, max_length=None, title=None, min_length=None, min_properties=None, max_properties=None, any_of=None, description=None, enum=None, format=None, items=None, max_items=None, maximum=None, min_items=None, minimum=None, nullable=None, properties=None, property_ordering=None, required=None, type=<Type.STRING: 'STRING'>)}, property_ordering=None, required=[], type=<Type.OBJECT: 'OBJECT'>)}, property_ordering=None, required=[], type=<Type.OBJECT: 'OBJECT'>))], retrieval=None, google_search=None, google_search_retrieval=None, code_execution=None), Tool(function_declarations=None, retrieval=None, google_search=GoogleSearch(), google_search_retrieval=None, code_execution=None)], tool_config=None, labels=None, cached_content=None, response_modalities=None, media_resolution=None, speech_config=None, audio_timestamp=None, automatic_function_calling=AutomaticFunctionCallingConfig(disable=True, maximum_remote_calls=None, ignore_call_history=None), thinking_config=None),
         'history': list([
         ]),
         'model': 'models/gemini-2.0-flash',
diff --git a/tests/components/google_generative_ai_conversation/snapshots/test_diagnostics.ambr b/tests/components/google_generative_ai_conversation/snapshots/test_diagnostics.ambr
index b445499ad49..60d388d0502 100644
--- a/tests/components/google_generative_ai_conversation/snapshots/test_diagnostics.ambr
+++ b/tests/components/google_generative_ai_conversation/snapshots/test_diagnostics.ambr
@@ -9,7 +9,7 @@
       'dangerous_block_threshold': 'BLOCK_MEDIUM_AND_ABOVE',
       'harassment_block_threshold': 'BLOCK_MEDIUM_AND_ABOVE',
       'hate_block_threshold': 'BLOCK_MEDIUM_AND_ABOVE',
-      'max_tokens': 150,
+      'max_tokens': 1500,
       'prompt': 'Speak like a pirate',
       'recommended': False,
       'sexual_block_threshold': 'BLOCK_MEDIUM_AND_ABOVE',