diff --git a/src/modules/aix/server/dispatch/chatGenerate/chatGenerate.dispatch.ts b/src/modules/aix/server/dispatch/chatGenerate/chatGenerate.dispatch.ts
index d289106da..b11e59fbc 100644
--- a/src/modules/aix/server/dispatch/chatGenerate/chatGenerate.dispatch.ts
+++ b/src/modules/aix/server/dispatch/chatGenerate/chatGenerate.dispatch.ts
@@ -94,7 +94,7 @@ export function createChatGenerateDispatch(access: AixAPI_Access, model: AixAPI_
       /**
        * [Gemini, 2025-04-17] For newer thinking parameters, use v1alpha (we only see statistically better results)
        */
-      const useV1Alpha = !!model.vndGeminiShowThoughts || model.vndGeminiThinkingBudget !== undefined;
+      const useV1Alpha = false; // !!model.vndGeminiShowThoughts || model.vndGeminiThinkingBudget !== undefined;
       return {
         request: {
           ...geminiAccess(access, model.id, streaming ? GeminiWire_API_Generate_Content.streamingPostPath : GeminiWire_API_Generate_Content.postPath, useV1Alpha),