diff --git a/oh-my-opencode.jsonc b/oh-my-opencode.jsonc
index 2502be3..6aa79e8 100644
--- a/oh-my-opencode.jsonc
+++ b/oh-my-opencode.jsonc
@@ -35,7 +35,7 @@
       "model": "cpa-google/gemini-3-pro-high"
     },
     "ultrabrain": {
-      "model": "packy-openai/gpt-5.2-codex-xhigh"
+      "model": "packy-openai/gpt-5.2-codex"
     },
     "artistry": {
       "model": "cpa-google/gemini-3-pro-high"
diff --git a/opencode.jsonc b/opencode.jsonc
index a15edeb..95d217a 100644
--- a/opencode.jsonc
+++ b/opencode.jsonc
@@ -53,17 +53,17 @@
         "setCacheKey": true
       },
       "models": {
-        "gpt-5.2-xhigh": {
-          "name": "GPT-5.2 (xhigh)"
-        },
         "gpt-5.2": {
-          "name": "GPT-5.2"
-        },
-        "gpt-5.2-codex-xhigh": {
-          "name": "GPT-5.2-Codex (xhigh)"
+          "name": "GPT-5.2",
+          "options": {
+            "reasoningEffort": "xhigh"
+          }
         },
         "gpt-5.2-codex": {
-          "name": "GPT-5.2-Codex"
+          "name": "GPT-5.2-Codex",
+          "options": {
+            "reasoningEffort": "xhigh"
+          }
         }
       }
     }