diff --git a/internal/providers/configs/copilot.json b/internal/providers/configs/copilot.json
index 2674dbd11f49ea319e07e6612a2415b2d2f69312..5928744c0f59811e69415507d8ab2ef1b7fab742 100644
--- a/internal/providers/configs/copilot.json
+++ b/internal/providers/configs/copilot.json
@@ -305,6 +305,19 @@
       "supports_attachments": true,
       "options": {}
     },
+    {
+      "id": "gpt-5.4-mini",
+      "name": "GPT-5.4 mini",
+      "cost_per_1m_in": 0,
+      "cost_per_1m_out": 0,
+      "cost_per_1m_in_cached": 0,
+      "cost_per_1m_out_cached": 0,
+      "context_window": 400000,
+      "default_max_tokens": 128000,
+      "can_reason": false,
+      "supports_attachments": true,
+      "options": {}
+    },
     {
       "id": "grok-code-fast-1",
       "name": "Grok Code Fast 1",