diff --git a/internal/providers/configs/openai.json b/internal/providers/configs/openai.json
index 0835b65b8199de7307da8da9deaa7dbaaab93e5c..518a7bc6d8c66ac6e6eb181b2979c38320e08d35 100644
--- a/internal/providers/configs/openai.json
+++ b/internal/providers/configs/openai.json
@@ -4,7 +4,7 @@
   "type": "openai",
   "api_key": "$OPENAI_API_KEY",
   "api_endpoint": "$OPENAI_API_ENDPOINT",
-  "default_large_model_id": "gpt-5-1-codex",
+  "default_large_model_id": "gpt-5.1-codex",
   "default_small_model_id": "gpt-4o",
   "models": [
     {
@@ -17,12 +17,7 @@
       "context_window": 400000,
       "default_max_tokens": 128000,
       "can_reason": true,
-      "reasoning_levels": [
-        "minimal",
-        "low",
-        "medium",
-        "high"
-      ],
+      "reasoning_levels": ["minimal", "low", "medium", "high"],
       "default_reasoning_effort": "medium",
       "supports_attachments": true
     },
@@ -36,12 +31,7 @@
       "context_window": 400000,
       "default_max_tokens": 128000,
       "can_reason": true,
-      "reasoning_levels": [
-        "minimal",
-        "low",
-        "medium",
-        "high"
-      ],
+      "reasoning_levels": ["minimal", "low", "medium", "high"],
       "default_reasoning_effort": "medium",
       "supports_attachments": true
     },
@@ -55,11 +45,7 @@
       "context_window": 400000,
       "default_max_tokens": 128000,
       "can_reason": true,
-      "reasoning_levels": [
-        "low",
-        "medium",
-        "high"
-      ],
+      "reasoning_levels": ["low", "medium", "high"],
       "default_reasoning_effort": "medium",
       "supports_attachments": true
     },
@@ -73,12 +59,7 @@
       "context_window": 400000,
       "default_max_tokens": 128000,
       "can_reason": true,
-      "reasoning_levels": [
-        "minimal",
-        "low",
-        "medium",
-        "high"
-      ],
+      "reasoning_levels": ["minimal", "low", "medium", "high"],
       "default_reasoning_effort": "medium",
       "supports_attachments": true
     },
@@ -92,12 +73,7 @@
       "context_window": 400000,
       "default_max_tokens": 128000,
       "can_reason": true,
-      "reasoning_levels": [
-        "minimal",
-        "low",
-        "medium",
-        "high"
-      ],
+      "reasoning_levels": ["minimal", "low", "medium", "high"],
       "default_reasoning_effort": "medium",
       "supports_attachments": true
     },
@@ -111,11 +87,7 @@
       "context_window": 400000,
       "default_max_tokens": 128000,
       "can_reason": true,
-      "reasoning_levels": [
-        "low",
-        "medium",
-        "high"
-      ],
+      "reasoning_levels": ["low", "medium", "high"],
       "default_reasoning_effort": "medium",
       "supports_attachments": true
     },
@@ -129,11 +101,7 @@
       "context_window": 400000,
       "default_max_tokens": 128000,
       "can_reason": true,
-      "reasoning_levels": [
-        "low",
-        "medium",
-        "high"
-      ],
+      "reasoning_levels": ["low", "medium", "high"],
       "default_reasoning_effort": "medium",
       "supports_attachments": true
     },
@@ -147,11 +115,7 @@
       "context_window": 200000,
       "default_max_tokens": 50000,
       "can_reason": true,
-      "reasoning_levels": [
-        "low",
-        "medium",
-        "high"
-      ],
+      "reasoning_levels": ["low", "medium", "high"],
       "default_reasoning_effort": "medium",
       "supports_attachments": true
     },
@@ -165,11 +129,7 @@
       "context_window": 200000,
       "default_max_tokens": 50000,
       "can_reason": true,
-      "reasoning_levels": [
-        "low",
-        "medium",
-        "high"
-      ],
+      "reasoning_levels": ["low", "medium", "high"],
       "default_reasoning_effort": "medium",
       "supports_attachments": true
     },
@@ -219,11 +179,7 @@
       "context_window": 200000,
       "default_max_tokens": 50000,
       "can_reason": true,
-      "reasoning_levels": [
-        "low",
-        "medium",
-        "high"
-      ],
+      "reasoning_levels": ["low", "medium", "high"],
       "default_reasoning_effort": "medium",
       "supports_attachments": false
     },