diff --git a/dotfiles/common/.codex/config.toml.j2 b/dotfiles/common/.codex/config.toml.j2
index ced7015..eadfee8 100644
--- a/dotfiles/common/.codex/config.toml.j2
+++ b/dotfiles/common/.codex/config.toml.j2
@@ -1,4 +1,4 @@
-model = "gpt-5.5"
+model = "gpt-5.6-terra"
 model_reasoning_effort = "medium"
 
 model_instructions_file = "{{ effective_user_home }}/.config/ai/bootstrap.md"
@@ -10,7 +10,7 @@ trust_level = "trusted"
 theme = "coldark-dark"
 
 [tui.model_availability_nux]
-"gpt-5.5" = 3
+"gpt-5.6-terra" = 3
 
 [features]
 memories = true