diff --git a/packages/opencode/src/provider/transform.ts b/packages/opencode/src/provider/transform.ts
index 36535e11..3264dd05 100644
--- a/packages/opencode/src/provider/transform.ts
+++ b/packages/opencode/src/provider/transform.ts
@@ -1,7 +1,6 @@
 import type { ModelMessage } from "ai"
 import { unique } from "remeda"
 
-
 export namespace ProviderTransform {
   function normalizeToolCallIds(msgs: ModelMessage[]): ModelMessage[] {
     return msgs.map((msg) => {
@@ -10,7 +9,7 @@ export namespace ProviderTransform {
           if ((part.type === "tool-call" || part.type === "tool-result") && "toolCallId" in part) {
             return {
               ...part,
-              toolCallId: part.toolCallId.replace(/[^a-zA-Z0-9_-]/g, '_')
+              toolCallId: part.toolCallId.replace(/[^a-zA-Z0-9_-]/g, "_"),
             }
           }
           return part
@@ -40,8 +39,7 @@ export namespace ProviderTransform {
     }
 
     for (const msg of unique([...system, ...final])) {
-      const shouldUseContentOptions =
-        providerID !== "anthropic" && Array.isArray(msg.content) && msg.content.length > 0
+      const shouldUseContentOptions = providerID !== "anthropic" && Array.isArray(msg.content) && msg.content.length > 0
 
       if (shouldUseContentOptions) {
         const lastContent = msg.content[msg.content.length - 1]
@@ -70,7 +68,7 @@ export namespace ProviderTransform {
     if (providerID === "anthropic" || modelID.includes("anthropic") || modelID.includes("claude")) {
       msgs = applyCaching(msgs, providerID)
     }
-    
+
     return msgs
   }
 
@@ -78,4 +76,9 @@ export namespace ProviderTransform {
     if (modelID.toLowerCase().includes("qwen")) return 0.55
     return 0
   }
+
+  export function topP(_providerID: string, modelID: string) {
+    if (modelID.toLowerCase().includes("qwen")) return 1
+    return undefined
+  }
 }