diff --git a/oh-my-opencode.jsonc b/oh-my-opencode.jsonc
index 6aa79e8..2502be3 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"
+      "model": "packy-openai/gpt-5.2-codex-xhigh"
     },
     "artistry": {
       "model": "cpa-google/gemini-3-pro-high"
diff --git a/opencode.jsonc b/opencode.jsonc
index 72b182d..a15edeb 100644
--- a/opencode.jsonc
+++ b/opencode.jsonc
@@ -53,9 +53,15 @@
         "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)"
+        },
         "gpt-5.2-codex": {
           "name": "GPT-5.2-Codex"
         }