diff --git a/core/models/usage_log.py b/core/models/usage_log.py
index c629d86..ee8cfc5 100644
--- a/core/models/usage_log.py
+++ b/core/models/usage_log.py
@@ -10,7 +10,7 @@ COST_PER_MILLION_TOKENS = {
         'gpt-4-turbo': {'input': 10.00, 'output': 30.00, 'blended': 15.00},
     },
     'google': {
-        'gemini-2.0-flash': {'input': 0.10, 'output': 0.40, 'blended': 0.20},
+        'gemini-2.5-flash': {'input': 0.10, 'output': 0.40, 'blended': 0.20},
         'gemini-2.5-pro': {'input': 1.25, 'output': 10.00, 'blended': 3.50},
         'gemini-1.5-pro': {'input': 1.25, 'output': 5.00, 'blended': 2.50},
     },
diff --git a/core/services/llm_config.py b/core/services/llm_config.py
index 8d25a4b..64af609 100644
--- a/core/services/llm_config.py
+++ b/core/services/llm_config.py
@@ -34,7 +34,7 @@ class LLMConfig:
         },
         'google': {
             'api_key_env': 'GOOGLE_API_KEY',
-            'models': ['gemini-2.0-flash', 'gemini-2.5-pro', 'gemini-1.5-pro']
+            'models': ['gemini-2.5-flash', 'gemini-2.5-pro', 'gemini-1.5-pro']
         },
         'anthropic': {
             'api_key_env': 'ANTHROPIC_API_KEY',
diff --git a/modules/hm_qc/routes.py b/modules/hm_qc/routes.py
index 69b9d46..0d4d97e 100644
--- a/modules/hm_qc/routes.py
+++ b/modules/hm_qc/routes.py
@@ -217,7 +217,7 @@ def execute():
 
         # Override LLM provider if user selected one
         if llm_provider:
-            provider_models = {'openai': 'gpt-4o', 'google': 'gemini-2.0-flash'}
+            provider_models = {'openai': 'gpt-4o', 'google': 'gemini-2.5-flash'}
             for check in profile.get('checks', []):
                 if check.get('llm_provider'):
                     check['llm_provider'] = llm_provider
@@ -300,7 +300,7 @@ def execute_batch():
 
         # Override LLM provider if user selected one
         if llm_provider:
-            provider_models = {'openai': 'gpt-4o', 'google': 'gemini-2.0-flash'}
+            provider_models = {'openai': 'gpt-4o', 'google': 'gemini-2.5-flash'}
             for check in profile.get('checks', []):
                 if check.get('llm_provider'):
                     check['llm_provider'] = llm_provider
diff --git a/modules/video_qc/routes.py b/modules/video_qc/routes.py
index 4127477..60a4f75 100644
--- a/modules/video_qc/routes.py
+++ b/modules/video_qc/routes.py
@@ -120,7 +120,7 @@ def execute():
         if not session_id:
             return jsonify({'error': 'Missing session_id'}), 400
 
-        provider_models = {'openai': 'gpt-4o', 'google': 'gemini-2.0-flash'}
+        provider_models = {'openai': 'gpt-4o', 'google': 'gemini-2.5-flash'}
         llm_model = provider_models.get(llm_provider, 'gpt-4o')
 
         upload_path = os.path.join(