diff --git a/hermes_cli/models.py b/hermes_cli/models.py
index 8359693f2..90441b18d 100644
--- a/hermes_cli/models.py
+++ b/hermes_cli/models.py
@@ -12,6 +12,7 @@ OPENROUTER_MODELS: list[tuple[str, str]] = [
     ("anthropic/claude-opus-4.5",       ""),
     ("openai/gpt-5.2",                  ""),
     ("openai/gpt-5.3-codex",            ""),
+    ("openai/gpt-5.4",                  ""),
     ("google/gemini-3-pro-preview",     ""),
     ("google/gemini-3-flash-preview",   ""),
     ("z-ai/glm-4.7",                    ""),