diff --git a/core/llm/llms/Anthropic.ts b/core/llm/llms/Anthropic.ts
index e33f92f203f..f9fd996d1c9 100644
--- a/core/llm/llms/Anthropic.ts
+++ b/core/llm/llms/Anthropic.ts
@@ -90,7 +90,7 @@ class Anthropic extends BaseLLM {
   ): ContentBlockParam[] {
     const parts: ContentBlockParam[] = [];
     if (typeof content === "string") {
-      if (content) {
+      if (content.trim()) {
         parts.push({
           type: "text",
           text: content,
@@ -99,7 +99,7 @@ class Anthropic extends BaseLLM {
     } else {
       for (const part of content) {
         if (part.type === "text") {
-          if (part.text) {
+          if (part.text?.trim()) {
             parts.push({
               type: "text",
               text: part.text,
diff --git a/core/llm/llms/Bedrock.ts b/core/llm/llms/Bedrock.ts
index 98ad4e6f3f7..c6c2cd6d588 100644
--- a/core/llm/llms/Bedrock.ts
+++ b/core/llm/llms/Bedrock.ts
@@ -538,11 +538,15 @@ class Bedrock extends BaseLLM {
   ): ContentBlock[] {
     const blocks: ContentBlock[] = [];
     if (typeof content === "string") {
-      blocks.push({ text: content });
+      if (content.trim()) {
+        blocks.push({ text: content });
+      }
     } else {
       for (const part of content) {
         if (part.type === "text") {
-          blocks.push({ text: part.text });
+          if (part.text?.trim()) {
+            blocks.push({ text: part.text });
+          }
         } else if (part.type === "imageUrl" && part.imageUrl) {
           const parsed = parseDataUrl(part.imageUrl.url);
           if (parsed) {
diff --git a/packages/openai-adapters/src/apis/Bedrock.ts b/packages/openai-adapters/src/apis/Bedrock.ts
index d98ad25d2f5..7477e81e056 100644
--- a/packages/openai-adapters/src/apis/Bedrock.ts
+++ b/packages/openai-adapters/src/apis/Bedrock.ts
@@ -203,9 +203,14 @@ export class BedrockApi implements BaseLlmApi {
           const content = message.content;
           if (content) {
             if (typeof content === "string") {
-              currentBlocks.push({ text: content });
+              if (content.trim()) {
+                currentBlocks.push({ text: content });
+              }
             } else {
               content.forEach((part) => {
+                if (part.type === "text" && !part.text?.trim()) {
+                  return;
+                }
                 currentBlocks.push(this._oaiPartToBedrockPart(part));
               });
             }