diff --git a/internal/providers/configs/copilot.json b/internal/providers/configs/copilot.json
index 4778366a56fd2ec4b2074e47b24fba770c4e9680..9aebe287d5072e5642d211e11f8255cfba07bd76 100644
--- a/internal/providers/configs/copilot.json
+++ b/internal/providers/configs/copilot.json
@@ -258,6 +258,18 @@
       "can_reason": false,
       "supports_attachments": true
     },
+    {
+      "id": "gpt-5.5",
+      "name": "GPT-5.5",
+      "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
+    },
     {
       "id": "grok-code-fast-1",
       "name": "Grok Code Fast 1",