diff --git a/packages/opencode/src/provider/transform.ts b/packages/opencode/src/provider/transform.ts
index 9de1b1debf..a5eb0adc17 100644
--- a/packages/opencode/src/provider/transform.ts
+++ b/packages/opencode/src/provider/transform.ts
@@ -619,7 +619,7 @@ export function variants(model: Provider.Model): Record<string, Record<string, a
               type: "enabled",
             },
             output_config: {
-              effort: "max",
+              effort: "high",
             },
           },
           max: {