diff --git a/api/lab/test_gemini.php b/api/lab/test_gemini.php
index c83819b..40ba9f2 100644
--- a/api/lab/test_gemini.php
+++ b/api/lab/test_gemini.php
@@ -17,7 +17,7 @@ $payload = json_encode([
     'generationConfig' => ['maxOutputTokens' => 10, 'temperature' => 0],
 ], JSON_UNESCAPED_UNICODE);
 
-$ch = curl_init("https://generativelanguage.googleapis.com/v1beta/models/gemini-2.5-flash:generateContent?key={$key}");
+$ch = curl_init("https://generativelanguage.googleapis.com/v1beta/models/gemini-3.5-flash:generateContent?key={$key}");
 curl_setopt_array($ch, [
     CURLOPT_RETURNTRANSFER => true,
     CURLOPT_POST           => true,
@@ -37,4 +37,4 @@ if ($code !== 200) {
     jsonError($gemini['error']['message'] ?? "Error HTTP {$code}", 502);
 }
 
-jsonOk(['modelo' => 'gemini-2.5-flash', 'respuesta' => $gemini['candidates'][0]['content']['parts'][0]['text'] ?? '']);
+jsonOk(['modelo' => 'gemini-3.5-flash', 'respuesta' => $gemini['candidates'][0]['content']['parts'][0]['text'] ?? '']);
diff --git a/modules/turnero/api/ai_chat.php b/modules/turnero/api/ai_chat.php
index 9251131..532fa35 100644
--- a/modules/turnero/api/ai_chat.php
+++ b/modules/turnero/api/ai_chat.php
@@ -186,7 +186,7 @@ $payload = json_encode([
     ],
 ], JSON_UNESCAPED_UNICODE);
 
-$ch = curl_init("https://generativelanguage.googleapis.com/v1beta/models/gemini-2.5-flash:generateContent?key={$apiKey}");
+$ch = curl_init("https://generativelanguage.googleapis.com/v1beta/models/gemini-3.5-flash:generateContent?key={$apiKey}");
 curl_setopt_array($ch, [
     CURLOPT_RETURNTRANSFER => true,
     CURLOPT_POST           => true,