diff --git a/packages/opencode/src/provider/transform.ts b/packages/opencode/src/provider/transform.ts
index 6feceb5e6f..2594940fad 100644
--- a/packages/opencode/src/provider/transform.ts
+++ b/packages/opencode/src/provider/transform.ts
@@ -229,7 +229,6 @@ export namespace ProviderTransform {
     const id = model.id.toLowerCase()
     if (id.includes("qwen")) return 1
     if (id.includes("minimax-m2")) {
-      if (id.includes("m2.1")) return 0.9
       return 0.95
     }
     if (id.includes("gemini")) return 0.95
@@ -238,7 +237,10 @@ export namespace ProviderTransform {
 
   export function topK(model: Provider.Model) {
     const id = model.id.toLowerCase()
-    if (id.includes("minimax-m2")) return 20
+    if (id.includes("minimax-m2")) {
+      if (id.includes("m2.1")) return 40
+      return 20
+    }
     if (id.includes("gemini")) return 64
     return undefined
   }