diff --git a/packages/opencode/src/provider/transform.ts b/packages/opencode/src/provider/transform.ts
index b589d6371..c0ee45236 100644
--- a/packages/opencode/src/provider/transform.ts
+++ b/packages/opencode/src/provider/transform.ts
@@ -226,7 +226,10 @@ export namespace ProviderTransform {
       }
     }
 
-    if (model.providerID === "baseten") {
+    if (
+      model.providerID === "baseten" ||
+      (model.providerID === "opencode" && ["kimi-k2-thinking", "glm-4.6"].includes(model.api.id))
+    ) {
       result["chat_template_args"] = { enable_thinking: true }
     }