diff --git a/emacs/.emacs.d/config/init-ai.el b/emacs/.emacs.d/config/init-ai.el
index 79e148d..ce19bd3 100644
--- a/emacs/.emacs.d/config/init-ai.el
+++ b/emacs/.emacs.d/config/init-ai.el
@@ -6,10 +6,25 @@
              gptel-request)
   :config
   (setq gptel-model "llama3:latest"
-        gptel-backend (gptel-make-ollama "Ollama"
-                        :stream t
-                        :models '("llama3:latest"
-                                  "mistral:latest")))
+        gptel-backends `((ollama . ((backend . ,(gptel-make-ollama "Ollama"
+                                                 :stream t
+                                                 :models '("llama3:latest"
+                                                           "mistral:latest")))
+                                    (model . "llama3:latest")))
+                         (openai . ((backend . ,(gptel-make-openai "OpenAI"
+                                                 :key #'gptel-api-key-from-auth-source
+                                                 :stream t
+                                                 :models '("gpt-4o")))
+                                    (model . "gpt-4o"))))
+        gptel-default-backend 'openai)
+  (defun gptel-select-backend (backend)
+    (interactive
+     (list (intern (completing-read "gptel backend: "
+                                    (mapcar #'car gptel-backends)))))
+    (let ((backend (alist-get backend gptel-backends)))
+      (setq gptel-backend (alist-get 'backend backend)
+            gptel-model (alist-get 'model backend))))
+  (gptel-select-backend gptel-default-backend)
   :general
   ("C-c RET" #'gptel-send
    "C-c C-<return>" #'gptel-menu))