diff --git a/internal/providers/configs/openai.json b/internal/providers/configs/openai.json
index b186bd49b1a8e988ea77048152984dcdce50a573..21d06a80ab53dbe4b53c7ca3da2062f84d186ea0 100644
--- a/internal/providers/configs/openai.json
+++ b/internal/providers/configs/openai.json
@@ -21,6 +21,20 @@
       "default_reasoning_effort": "medium",
       "supports_attachments": true
     },
+    {
+      "id": "gpt-5.5-pro",
+      "name": "GPT-5.5 Pro",
+      "cost_per_1m_in": 30,
+      "cost_per_1m_out": 180,
+      "cost_per_1m_in_cached": 0,
+      "cost_per_1m_out_cached": 0,
+      "context_window": 1050000,
+      "default_max_tokens": 128000,
+      "can_reason": true,
+      "reasoning_levels": ["low", "medium", "high", "xhigh"],
+      "default_reasoning_effort": "medium",
+      "supports_attachments": true
+    },
     {
       "id": "gpt-5.4",
       "name": "GPT-5.4",