diff --git a/assets/js/config.js b/assets/js/config.js
new file mode 100644
index 0000000..7b71fc3
--- /dev/null
+++ b/assets/js/config.js
@@ -0,0 +1,39 @@
+export const STORAGE_KEYS = {
+  apiKey: "vibegif_openrouter_api_key",
+};
+
+export const MASTER_PROMPT =
+  "minimal black and white line doodle, single stroke, white background, kawaii style";
+
+export const NEXT_FRAME_PROMPT_TEMPLATE = (frameCount) =>
+  `imagine we are trying to create a ${frameCount} frame gif. generate the next meaningful frame`;
+
+export const MODELS = [
+  {
+    id: "google/gemini-3.1-flash-image-preview",
+    label: "google/gemini-3.1-flash-image-preview",
+    supportsHalfK: true,
+    supportsExtendedAspectRatios: true,
+  },
+  {
+    id: "bytedance-seed/seedream-4.5",
+    label: "bytedance-seed/seedream-4.5",
+    supportsHalfK: false,
+    supportsExtendedAspectRatios: false,
+  },
+];
+
+export const BASE_ASPECT_RATIOS = [
+  "1:1",
+  "2:3",
+  "3:2",
+  "3:4",
+  "4:3",
+  "4:5",
+  "5:4",
+  "9:16",
+  "16:9",
+  "21:9",
+];
+
+export const GEMINI_EXTRA_ASPECT_RATIOS = ["1:4", "4:1", "1:8", "8:1"];