From 025a6392cebdbd412289c64a5477adca140bb495 Mon Sep 17 00:00:00 2001
From: Aiden Cline <63023139+rekram1-node@users.noreply.github.com>
Date: Sun, 26 Apr 2026 23:42:23 -0500
Subject: [PATCH] fix: default tool call streaming to false for google vertex
 (#24573)

---
 packages/opencode/src/provider/transform.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/packages/opencode/src/provider/transform.ts b/packages/opencode/src/provider/transform.ts
index b2e9b59a3a..cb732fc587 100644
--- a/packages/opencode/src/provider/transform.ts
+++ b/packages/opencode/src/provider/transform.ts
@@ -826,6 +826,10 @@ export function options(input: {
 }): Record<string, any> {
   const result: Record<string, any> = {}
 
+  if (input.model.api.npm === "@ai-sdk/google-vertex/anthropic") {
+    result["toolStreaming"] = false
+  }
+
   // openai and providers using openai package should set store to false by default.
   if (
     input.model.providerID === "openai" ||