diff --git a/packages/opencode/src/provider/transform.ts b/packages/opencode/src/provider/transform.ts
index 933df3dd..a5a8c2f4 100644
--- a/packages/opencode/src/provider/transform.ts
+++ b/packages/opencode/src/provider/transform.ts
@@ -82,8 +82,14 @@ export namespace ProviderTransform {
     return undefined
   }
 
-  export function options(_providerID: string, modelID: string) {
+  export function options(providerID: string, modelID: string): Record<string, any> | undefined {
     if (modelID.includes("gpt-5")) {
+      if (providerID === "azure") {
+        return {
+          reasoning_effort: "minimal",
+          text_verbosity: "verbose",
+        }
+      }
       return {
         reasoningEffort: "minimal",
         textVerbosity: "low",