diff --git a/admin/DashboardController.php b/admin/DashboardController.php
index ac517e8..effe798 100644
--- a/admin/DashboardController.php
+++ b/admin/DashboardController.php
@@ -2303,7 +2303,7 @@ HTML;
                 ['key' => 'openai_api_key', 'label' => 'OpenAI API Key', 'type' => 'password', 'placeholder' => 'sk-...'],
                 ['key' => 'openai_model', 'label' => 'Modelo OpenAI', 'type' => 'select', 'options' => ['gpt-4o-mini' => 'GPT-4o Mini', 'gpt-4o' => 'GPT-4o', 'gpt-3.5-turbo' => 'GPT-3.5 Turbo']],
                 ['key' => 'gemini_api_key', 'label' => 'Google Gemini API Key', 'type' => 'password', 'placeholder' => 'AIza...'],
-                ['key' => 'gemini_model', 'label' => 'Modelo Gemini', 'type' => 'select', 'options' => ['gemini-2.0-flash' => 'Gemini 2.0 Flash', 'gemini-1.5-flash' => 'Gemini 1.5 Flash', 'gemini-1.5-pro' => 'Gemini 1.5 Pro']],
+                ['key' => 'gemini_model', 'label' => 'Modelo Gemini', 'type' => 'select', 'options' => ['gemini-2.5-flash' => 'Gemini 2.5 Flash', 'gemini-2.0-flash' => 'Gemini 2.0 Flash', 'gemini-1.5-flash' => 'Gemini 1.5 Flash', 'gemini-1.5-pro' => 'Gemini 1.5 Pro']],
                 ['key' => 'ai_max_tokens', 'label' => 'Máximo de tokens', 'type' => 'number', 'placeholder' => '500'],
                 ['key' => 'ai_default_prompt', 'label' => 'System Prompt por defecto', 'type' => 'textarea', 'placeholder' => 'Eres un asistente...'],
             ],
@@ -3054,7 +3054,8 @@ HTML;
         $aiProviderMock    = $aiProviderVal === 'mock'    ? ' selected' : '';
         $openaiApiKeyVal   = self::h($config['openai_api_key'] ?? '');
         $geminiApiKeyVal   = self::h($config['gemini_api_key'] ?? '');
-        $geminiModelVal    = $config['gemini_model'] ?? 'gemini-2.0-flash';
+        $geminiModelVal    = $config['gemini_model'] ?? 'gemini-2.5-flash';
+        $geminiModelF25    = $geminiModelVal === 'gemini-2.5-flash' ? ' selected' : '';
         $geminiModelF20    = $geminiModelVal === 'gemini-2.0-flash' ? ' selected' : '';
         $geminiModelF15    = $geminiModelVal === 'gemini-1.5-flash' ? ' selected' : '';
         $geminiModelP15    = $geminiModelVal === 'gemini-1.5-pro'   ? ' selected' : '';
@@ -3558,6 +3559,7 @@ HTML;
           <div class="form-group">
             <label>Modelo Gemini</label>
             <select name="gemini_model">
+              <option value="gemini-2.5-flash"{$geminiModelF25}>Gemini 2.5 Flash</option>
               <option value="gemini-2.0-flash"{$geminiModelF20}>Gemini 2.0 Flash</option>
               <option value="gemini-1.5-flash"{$geminiModelF15}>Gemini 1.5 Flash</option>
               <option value="gemini-1.5-pro"{$geminiModelP15}>Gemini 1.5 Pro</option>
diff --git a/services/AiBot.php b/services/AiBot.php
index a4e4712..6ff7e57 100644
--- a/services/AiBot.php
+++ b/services/AiBot.php
@@ -150,7 +150,7 @@ class AiBot
         $apiKey = env('GEMINI_API_KEY', '');
         if ($apiKey === '') return null;
 
-        $model = env('GEMINI_MODEL', 'gemini-2.0-flash');
+        $model = env('GEMINI_MODEL', 'gemini-2.5-flash');
         $maxTokens = (int)env('AI_MAX_TOKENS', '500');
 
         // Gemini usa "contents" con roles "user"/"model"
diff --git a/setup/migrate.php b/setup/migrate.php
index eb1edc7..67800bb 100644
--- a/setup/migrate.php
+++ b/setup/migrate.php
@@ -200,7 +200,7 @@ $seedSettings = [
     'openai_api_key'                   => '',
     'openai_model'                     => 'gpt-4o-mini',
     'gemini_api_key'                   => '',
-    'gemini_model'                     => 'gemini-2.0-flash',
+    'gemini_model'                     => 'gemini-2.5-flash',
     'ai_max_tokens'                    => '500',
     'ai_default_prompt'                => 'Eres un asistente virtual de Palmas360. Responde de forma amable y profesional.',
 ];