diff --git a/internal/providers/configs/gemini.json b/internal/providers/configs/gemini.json
index 84cb21ca07c131f4a856fa12beb0de89f9c8a23d..96e0facf90e166ca8d1463511442e2a15f0a5b09 100644
--- a/internal/providers/configs/gemini.json
+++ b/internal/providers/configs/gemini.json
@@ -7,6 +7,19 @@
   "default_large_model_id": "gemini-2.5-pro",
   "default_small_model_id": "gemini-2.5-flash",
   "models": [
+    {
+      "id": "gemini-3-pro-preview",
+      "name": "Gemini 3 Pro (preview)",
+      "cost_per_1m_in": 2,
+      "cost_per_1m_out": 12,
+      "cost_per_1m_in_cached": 0,
+      "cost_per_1m_out_cached": 0.2,
+      "context_window": 1048576,
+      "default_max_tokens": 64000,
+      "can_reason": true,
+      "has_reasoning_efforts": false,
+      "supports_attachments": true
+    },
     {
       "id": "gemini-2.5-pro",
       "name": "Gemini 2.5 Pro",