diff --git a/home/.chezmoitemplates/models/big-brain b/home/.chezmoitemplates/models/big-brain
new file mode 100644
index 0000000..e234435
--- /dev/null
+++ b/home/.chezmoitemplates/models/big-brain
@@ -0,0 +1 @@
+AquaAI/glm-4.7-flash
\ No newline at end of file
diff --git a/home/dot_config/opencode/agents/commit.md b/home/dot_config/opencode/agents/commit.md.tmpl
similarity index 93%
rename from home/dot_config/opencode/agents/commit.md
rename to home/dot_config/opencode/agents/commit.md.tmpl
index 4dd0d28..f2ce270 100644
--- a/home/dot_config/opencode/agents/commit.md
+++ b/home/dot_config/opencode/agents/commit.md.tmpl
@@ -1,7 +1,7 @@
 ---
 description: Commit currently staged code in git
 mode: all
-model: AquaAI/gpt-oss:20b
+model: {{ template "models/big-brain" . }}
 temperature: 0.1
 tools:
   write: false