diff --git a/app/Http/Livewire/Chat/ShowConfiguracionChat.php b/app/Http/Livewire/Chat/ShowConfiguracionChat.php
index 11781ef..a311144 100755
--- a/app/Http/Livewire/Chat/ShowConfiguracionChat.php
+++ b/app/Http/Livewire/Chat/ShowConfiguracionChat.php
@@ -99,48 +99,57 @@ class ShowConfiguracionChat extends Component
             return;
         }
 
-        $url = "https://generativelanguage.googleapis.com/v1beta/models/{$model}:generateContent";
+        // Try v1 first (newer models), fall back to v1beta
+        $apiVersions = ['v1', 'v1beta'];
+        $lastError   = '';
 
-        try {
-            $inicio   = microtime(true);
-            $response = Http::timeout(15)
-                ->withHeaders(['Content-Type' => 'application/json'])
-                ->post("{$url}?key={$key}", [
+        foreach ($apiVersions as $ver) {
+            $url = "https://generativelanguage.googleapis.com/{$ver}/models/{$model}:generateContent";
+
+            try {
+                $inicio   = microtime(true);
+                $body     = [
                     'contents'         => [['parts' => [['text' => 'Responde solo "ok"']]]],
                     'generationConfig' => ['maxOutputTokens' => 5, 'temperature' => 0],
-                    ...(preg_match('/gemini-(2\.5|3[\.\d]*)/', $model)
-                        ? ['thinkingConfig' => ['thinkingBudget' => 0]]
-                        : []),
-                ]);
-
-            $ms   = (int) ((microtime(true) - $inicio) * 1000);
-            $data = $response->json();
-
-            if (! $response->successful() || isset($data['error'])) {
-                $apiMsg = $data['error']['message'] ?? ('HTTP ' . $response->status());
-
-                // Listar modelos disponibles para ayudar a elegir el correcto
-                $lista = Http::timeout(10)
-                    ->get("https://generativelanguage.googleapis.com/v1beta/models?key={$key}");
-
-                if ($lista->successful()) {
-                    $nombres = collect($lista->json('models', []))
-                        ->filter(fn ($m) => str_contains($m['name'] ?? '', 'gemini'))
-                        ->pluck('name')
-                        ->map(fn ($n) => str_replace('models/', '', $n))
-                        ->values()->implode(', ');
-                    $this->geminiResult = "❌ Modelo \"{$model}\" no disponible. Modelos en tu cuenta: {$nombres}";
-                } else {
-                    $this->geminiResult = "❌ Error: {$apiMsg}";
+                ];
+                if (preg_match('/gemini-(2\.5|3[\.\d]*)/', $model)) {
+                    $body['thinkingConfig'] = ['thinkingBudget' => 0];
                 }
-                return;
+
+                $response = Http::timeout(15)
+                    ->withHeaders(['Content-Type' => 'application/json'])
+                    ->post("{$url}?key={$key}", $body);
+
+                $ms   = (int) ((microtime(true) - $inicio) * 1000);
+                $data = $response->json();
+
+                if ($response->successful() && ! isset($data['error'])) {
+                    $texto = $data['candidates'][0]['content']['parts'][0]['text'] ?? '(sin texto)';
+                    $this->geminiResult = "✅ Gemini OK — modelo: {$model} ({$ver}) — {$ms}ms — respuesta: \"{$texto}\"";
+                    return;
+                }
+
+                $lastError = "[{$ver}] " . ($data['error']['message'] ?? 'HTTP ' . $response->status());
+
+            } catch (\Throwable $e) {
+                $lastError = "[{$ver}] " . $e->getMessage();
             }
+        }
 
-            $texto = $data['candidates'][0]['content']['parts'][0]['text'] ?? '(sin texto)';
-            $this->geminiResult = "✅ Gemini OK — modelo: {$model} — ({$ms}ms) — respuesta: \"{$texto}\"";
+        // Ambas versiones fallaron — listar modelos disponibles
+        $lista = Http::timeout(10)
+            ->get("https://generativelanguage.googleapis.com/v1beta/models?key={$key}");
 
-        } catch (\Throwable $e) {
-            $this->geminiResult = '❌ No se pudo conectar con Gemini: ' . $e->getMessage();
+        if ($lista->successful()) {
+            $nombres = collect($lista->json('models', []))
+                ->filter(fn ($m) => str_contains($m['name'] ?? '', 'gemini'))
+                ->filter(fn ($m) => in_array('generateContent', $m['supportedGenerationMethods'] ?? []))
+                ->pluck('name')
+                ->map(fn ($n) => str_replace('models/', '', $n))
+                ->values()->implode(', ');
+            $this->geminiResult = "❌ Error: {$lastError} — Modelos con generateContent: {$nombres}";
+        } else {
+            $this->geminiResult = "❌ Error: {$lastError}";
         }
     }
 
diff --git a/app/Services/GeminiIntentService.php b/app/Services/GeminiIntentService.php
index 722f3fc..018c4c3 100644
--- a/app/Services/GeminiIntentService.php
+++ b/app/Services/GeminiIntentService.php
@@ -18,7 +18,9 @@ class GeminiIntentService
     {
         $this->apiKey = ChatConfig::get('gemini_api_key', '');
         $this->model  = ChatConfig::get('gemini_model', 'gemini-2.0-flash');
-        $this->apiUrl = "https://generativelanguage.googleapis.com/v1beta/models/{$this->model}:generateContent";
+        // v1 for newer models, v1beta as fallback
+        $ver          = preg_match('/gemini-(2\.5|3[\.\d]*)/', $this->model) ? 'v1' : 'v1beta';
+        $this->apiUrl = "https://generativelanguage.googleapis.com/{$ver}/models/{$this->model}:generateContent";
     }
 
     private function buildRequest(array $contents, array $genConfig = []): array
diff --git a/app/Services/GeminiVisionService.php b/app/Services/GeminiVisionService.php
index 407fbcf..a8af1fe 100644
--- a/app/Services/GeminiVisionService.php
+++ b/app/Services/GeminiVisionService.php
@@ -18,7 +18,8 @@ class GeminiVisionService
     {
         $this->apiKey = ChatConfig::get('gemini_api_key', '');
         $this->model  = ChatConfig::get('gemini_model', 'gemini-2.0-flash');
-        $this->apiUrl = "https://generativelanguage.googleapis.com/v1beta/models/{$this->model}:generateContent";
+        $ver          = preg_match('/gemini-(2\.5|3[\.\d]*)/', $this->model) ? 'v1' : 'v1beta';
+        $this->apiUrl = "https://generativelanguage.googleapis.com/{$ver}/models/{$this->model}:generateContent";
     }
 
     private function buildRequest(array $contents, array $genConfig = []): array