diff --git a/oh-my-opencode.json b/oh-my-opencode.json
index 3ff8b07..7e72e41 100644
--- a/oh-my-opencode.json
+++ b/oh-my-opencode.json
@@ -1,26 +1,27 @@
 {
   "$schema": "https://raw.githubusercontent.com/code-yeongyu/oh-my-opencode/master/assets/oh-my-opencode.schema.json",
   "agents": {
-    "sisyphus": { "model": "openai/gpt-5.3-codex", "variant": "high" },
-    "hephaestus": { "model": "openai/gpt-5.3-codex", "variant": "high" },
-    "oracle": { "model": "openai/gpt-5.2", "variant": "high" },
-    "librarian": { "model": "openai/gpt-5.2", "variant": "medium" },
+    "sisyphus": { "model": "openai/gpt-5.4", "variant": "medium" },
+    "hephaestus": { "model": "openai/gpt-5.3-codex", "variant": "medium" },
+    "oracle": { "model": "openai/gpt-5.4", "variant": "high" },
+    "librarian": { "model": "openai/gpt-5.1-codex-mini" },
     "explore": { "model": "openai/gpt-5.1-codex-mini" },
-    "multimodal-looker": { "model": "openai/gpt-5.3-codex", "variant": "medium" },
-    "prometheus": { "model": "openai/gpt-5.2", "variant": "high" },
-    "metis": { "model": "openai/gpt-5.2", "variant": "high" },
-    "momus": { "model": "openai/gpt-5.2", "variant": "high" },
-    "atlas": { "model": "openai/gpt-5.2", "variant": "medium" }
+    "multimodal-looker": { "model": "openai/gpt-5.4", "variant": "medium" },
+    "prometheus": { "model": "openai/gpt-5.4", "variant": "high" },
+    "metis": { "model": "openai/gpt-5.4", "variant": "high" },
+    "momus": { "model": "openai/gpt-5.4", "variant": "xhigh" },
+    "atlas": { "model": "openai/gpt-5.4", "variant": "medium" },
+    "sisyphus-junior": { "model": "openai/gpt-5.4", "variant": "medium" }
   },
   "categories": {
-    "visual-engineering": { "model": "openai/gpt-5.3-codex", "variant": "high" },
+    "visual-engineering": { "model": "openai/gpt-5.4", "variant": "medium" },
     "ultrabrain": { "model": "openai/gpt-5.3-codex", "variant": "xhigh" },
-    "deep": { "model": "openai/gpt-5.3-codex", "variant": "high" },
-    "artistry": { "model": "openai/gpt-5.3-codex", "variant": "medium" },
+    "deep": { "model": "openai/gpt-5.3-codex", "variant": "medium" },
+    "artistry": { "model": "openai/gpt-5.4", "variant": "medium" },
     "quick": { "model": "openai/gpt-5.1-codex-mini" },
-    "unspecified-low": { "model": "openai/gpt-5.2", "variant": "medium" },
-    "unspecified-high": { "model": "openai/gpt-5.3-codex", "variant": "high" },
-    "writing": { "model": "openai/gpt-5.2", "variant": "medium" }
+    "unspecified-low": { "model": "openai/gpt-5.4", "variant": "medium" },
+    "unspecified-high": { "model": "openai/gpt-5.4", "variant": "high" },
+    "writing": { "model": "openai/gpt-5.4", "variant": "medium" }
   },
   "git_master": {
     "commit_footer": false,
diff --git a/opencode.json b/opencode.json
index 08421ef..66f9837 100644
--- a/opencode.json
+++ b/opencode.json
@@ -1,13 +1,12 @@
 {
   "$schema": "https://opencode.ai/config.json",
   "autoupdate": false,
-  "model": "openai/gpt-5.3-codex",
+  "model": "openai/gpt-5.4",
   "small_model": "openai/gpt-5.1-codex-mini",
   "experimental": {
     "disable_paste_summary": true
   },
   "plugin": ["oh-my-opencode@latest"],
-  "disabled_providers": ["opencode"],
   "provider": {
     "openai": {
       "npm": "@ai-sdk/openai",
@@ -16,11 +15,11 @@
         "apiKey": "{env:LITELLM_API_KEY}"
       },
       "models": {
-        "gpt-5.2": {
-          "name": "GPT-5.2",
+        "gpt-5.4": {
+          "name": "GPT-5.4",
           "reasoning": true,
-          "modalities": { "input": ["text", "image"], "output": ["text"] },
-          "limit": { "context": 400000, "input": 272000, "output": 128000 }
+          "modalities": { "input": ["text", "image", "pdf"], "output": ["text"] },
+          "limit": { "context": 1050000, "input": 922000, "output": 128000 }
         },
         "gpt-5.3-codex": {
           "name": "GPT-5.3-Codex",