From b726e9b59e75a9e091a74f1382e23309b5bc8904 Mon Sep 17 00:00:00 2001
From: Aiden Cline <aidenpcline@gmail.com>
Date: Sat, 11 Apr 2026 01:06:51 -0500
Subject: [PATCH] fix: anthropic msg transform

---
 packages/opencode/src/provider/transform.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/opencode/src/provider/transform.ts b/packages/opencode/src/provider/transform.ts
index 1118320992..662f10549b 100644
--- a/packages/opencode/src/provider/transform.ts
+++ b/packages/opencode/src/provider/transform.ts
@@ -53,7 +53,7 @@ export namespace ProviderTransform {
   ): ModelMessage[] {
     // Anthropic rejects messages with empty content - filter out empty string messages
     // and remove empty text/reasoning parts from array content
-    if (model.api.npm === "@ai-sdk/anthropic" || model.api.npm === "@ai-sdk/amazon-bedrock") {
+    if (model.api.npm === "@ai-sdk/amazon-bedrock") {
       msgs = msgs
         .map((msg) => {
           if (typeof msg.content === "string") {