diff --git a/packages/@n8n/nodes-langchain/nodes/embeddings/EmbeddingsOpenAI/EmbeddingsOpenAi.node.ts b/packages/@n8n/nodes-langchain/nodes/embeddings/EmbeddingsOpenAI/EmbeddingsOpenAi.node.ts
index da7cec6537b..d1f43937a28 100644
--- a/packages/@n8n/nodes-langchain/nodes/embeddings/EmbeddingsOpenAI/EmbeddingsOpenAi.node.ts
+++ b/packages/@n8n/nodes-langchain/nodes/embeddings/EmbeddingsOpenAI/EmbeddingsOpenAi.node.ts
@@ -206,6 +206,23 @@ export class EmbeddingsOpenAi implements INodeType {
 							'Maximum amount of time a request is allowed to take in seconds. Set to -1 for no timeout.',
 						type: 'number',
 					},
+					{
+						displayName: 'Encoding Format',
+						name: 'encodingFormat',
+						type: 'options',
+						description: 'The format to return the embeddings in',
+						default: undefined,
+						options: [
+							{
+								name: 'Float',
+								value: 'float',
+							},
+							{
+								name: 'Base64',
+								value: 'base64',
+							},
+						],
+					},
 				],
 			},
 		],
@@ -221,6 +238,7 @@ export class EmbeddingsOpenAi implements INodeType {
 			stripNewLines?: boolean;
 			timeout?: number;
 			dimensions?: number | undefined;
+			encodingFormat?: 'float' | 'base64' | undefined;
 		};
 
 		if (options.timeout === -1) {
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 05d41f5a3f4..e0bb4c01cf4 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -16,8 +16,8 @@ catalogs:
       specifier: 0.3.68
       version: 0.3.68
     '@langchain/openai':
-      specifier: 0.6.7
-      version: 0.6.7
+      specifier: 0.6.16
+      version: 0.6.16
     '@n8n/typeorm':
       specifier: 0.3.20-14
       version: 0.3.20-14
@@ -415,7 +415,7 @@ importers:
         version: 0.2.74(@langchain/core@0.3.68(@opentelemetry/api@1.9.0)(@opentelemetry/sdk-trace-base@1.30.1(@opentelemetry/api@1.9.0))(openai@5.12.2(ws@8.18.3(bufferutil@4.0.9)(utf-8-validate@5.0.10))(zod@3.25.67)))(react@18.2.0)(zod-to-json-schema@3.24.6(zod@3.25.67))
       '@langchain/openai':
         specifier: 'catalog:'
-        version: 0.6.7(@langchain/core@0.3.68(@opentelemetry/api@1.9.0)(@opentelemetry/sdk-trace-base@1.30.1(@opentelemetry/api@1.9.0))(openai@5.12.2(ws@8.18.3(bufferutil@4.0.9)(utf-8-validate@5.0.10))(zod@3.25.67)))(ws@8.18.3(bufferutil@4.0.9)(utf-8-validate@5.0.10))
+        version: 0.6.16(@langchain/core@0.3.68(@opentelemetry/api@1.9.0)(@opentelemetry/sdk-trace-base@1.30.1(@opentelemetry/api@1.9.0))(openai@5.12.2(ws@8.18.3(bufferutil@4.0.9)(utf-8-validate@5.0.10))(zod@3.25.67)))(ws@8.18.3(bufferutil@4.0.9)(utf-8-validate@5.0.10))
       '@n8n/backend-common':
         specifier: workspace:^
         version: link:../backend-common
@@ -1145,7 +1145,7 @@ importers:
         version: 0.2.3(@langchain/core@0.3.68(@opentelemetry/api@1.9.0)(@opentelemetry/sdk-trace-base@1.30.1(@opentelemetry/api@1.9.0))(openai@5.12.2(ws@8.18.3(bufferutil@4.0.9)(utf-8-validate@5.0.10))(zod@3.25.67)))
       '@langchain/openai':
         specifier: 'catalog:'
-        version: 0.6.7(@langchain/core@0.3.68(@opentelemetry/api@1.9.0)(@opentelemetry/sdk-trace-base@1.30.1(@opentelemetry/api@1.9.0))(openai@5.12.2(ws@8.18.3(bufferutil@4.0.9)(utf-8-validate@5.0.10))(zod@3.25.67)))(ws@8.18.3(bufferutil@4.0.9)(utf-8-validate@5.0.10))
+        version: 0.6.16(@langchain/core@0.3.68(@opentelemetry/api@1.9.0)(@opentelemetry/sdk-trace-base@1.30.1(@opentelemetry/api@1.9.0))(openai@5.12.2(ws@8.18.3(bufferutil@4.0.9)(utf-8-validate@5.0.10))(zod@3.25.67)))(ws@8.18.3(bufferutil@4.0.9)(utf-8-validate@5.0.10))
       '@langchain/pinecone':
         specifier: 0.2.0
         version: 0.2.0(@langchain/core@0.3.68(@opentelemetry/api@1.9.0)(@opentelemetry/sdk-trace-base@1.30.1(@opentelemetry/api@1.9.0))(openai@5.12.2(ws@8.18.3(bufferutil@4.0.9)(utf-8-validate@5.0.10))(zod@3.25.67)))(@pinecone-database/pinecone@5.1.2)
@@ -5982,8 +5982,8 @@ packages:
     peerDependencies:
       '@langchain/core': '>=0.3.58 <0.4.0'
 
-  '@langchain/openai@0.6.7':
-    resolution: {integrity: sha512-mNT9AdfEvDjlWU76hEl1HgTFkgk7yFKdIRgQz3KXKZhEERXhAwYJNgPFq8+HIpgxYSnc12akZ1uo8WPS98ErPQ==}
+  '@langchain/openai@0.6.16':
+    resolution: {integrity: sha512-v9INBOjE0w6ZrUE7kP9UkRyNsV7daH7aPeSOsPEJ35044UI3udPHwNduQ8VmaOUsD26OvSdg1b1GDhrqWLMaRw==}
     engines: {node: '>=18'}
     peerDependencies:
       '@langchain/core': '>=0.3.68 <0.4.0'
@@ -21471,7 +21471,7 @@ snapshots:
       '@browserbasehq/stagehand': 1.9.0(@playwright/test@1.54.2)(bufferutil@4.0.9)(deepmerge@4.3.1)(dotenv@16.6.1)(encoding@0.1.13)(openai@5.12.2(ws@8.18.3(bufferutil@4.0.9)(utf-8-validate@5.0.10))(zod@3.25.67))(utf-8-validate@5.0.10)(zod@3.25.67)
       '@ibm-cloud/watsonx-ai': 1.1.2
       '@langchain/core': 0.3.68(@opentelemetry/api@1.9.0)(@opentelemetry/sdk-trace-base@1.30.1(@opentelemetry/api@1.9.0))(openai@5.12.2(ws@8.18.3(bufferutil@4.0.9)(utf-8-validate@5.0.10))(zod@3.25.67))
-      '@langchain/openai': 0.6.7(@langchain/core@0.3.68(@opentelemetry/api@1.9.0)(@opentelemetry/sdk-trace-base@1.30.1(@opentelemetry/api@1.9.0))(openai@5.12.2(ws@8.18.3(bufferutil@4.0.9)(utf-8-validate@5.0.10))(zod@3.25.67)))(ws@8.18.3(bufferutil@4.0.9)(utf-8-validate@5.0.10))
+      '@langchain/openai': 0.6.16(@langchain/core@0.3.68(@opentelemetry/api@1.9.0)(@opentelemetry/sdk-trace-base@1.30.1(@opentelemetry/api@1.9.0))(openai@5.12.2(ws@8.18.3(bufferutil@4.0.9)(utf-8-validate@5.0.10))(zod@3.25.67)))(ws@8.18.3(bufferutil@4.0.9)(utf-8-validate@5.0.10))
       '@langchain/weaviate': 0.2.0(@langchain/core@0.3.68(@opentelemetry/api@1.9.0)(@opentelemetry/sdk-trace-base@1.30.1(@opentelemetry/api@1.9.0))(openai@5.12.2(ws@8.18.3(bufferutil@4.0.9)(utf-8-validate@5.0.10))(zod@3.25.67)))(encoding@0.1.13)
       binary-extensions: 2.2.0
       expr-eval: 2.0.2
@@ -21657,7 +21657,7 @@ snapshots:
       ollama: 0.5.16
       uuid: 10.0.0
 
-  '@langchain/openai@0.6.7(@langchain/core@0.3.68(@opentelemetry/api@1.9.0)(@opentelemetry/sdk-trace-base@1.30.1(@opentelemetry/api@1.9.0))(openai@5.12.2(ws@8.18.3(bufferutil@4.0.9)(utf-8-validate@5.0.10))(zod@3.25.67)))(ws@8.18.3(bufferutil@4.0.9)(utf-8-validate@5.0.10))':
+  '@langchain/openai@0.6.16(@langchain/core@0.3.68(@opentelemetry/api@1.9.0)(@opentelemetry/sdk-trace-base@1.30.1(@opentelemetry/api@1.9.0))(openai@5.12.2(ws@8.18.3(bufferutil@4.0.9)(utf-8-validate@5.0.10))(zod@3.25.67)))(ws@8.18.3(bufferutil@4.0.9)(utf-8-validate@5.0.10))':
     dependencies:
       '@langchain/core': 0.3.68(@opentelemetry/api@1.9.0)(@opentelemetry/sdk-trace-base@1.30.1(@opentelemetry/api@1.9.0))(openai@5.12.2(ws@8.18.3(bufferutil@4.0.9)(utf-8-validate@5.0.10))(zod@3.25.67))
       js-tiktoken: 1.0.12
@@ -30571,7 +30571,7 @@ snapshots:
   langchain@0.3.33(5cc28a029307bb3da1dcaf370c8a2b8d):
     dependencies:
       '@langchain/core': 0.3.68(@opentelemetry/api@1.9.0)(@opentelemetry/sdk-trace-base@1.30.1(@opentelemetry/api@1.9.0))(openai@5.12.2(ws@8.18.3(bufferutil@4.0.9)(utf-8-validate@5.0.10))(zod@3.25.67))
-      '@langchain/openai': 0.6.7(@langchain/core@0.3.68(@opentelemetry/api@1.9.0)(@opentelemetry/sdk-trace-base@1.30.1(@opentelemetry/api@1.9.0))(openai@5.12.2(ws@8.18.3(bufferutil@4.0.9)(utf-8-validate@5.0.10))(zod@3.25.67)))(ws@8.18.3(bufferutil@4.0.9)(utf-8-validate@5.0.10))
+      '@langchain/openai': 0.6.16(@langchain/core@0.3.68(@opentelemetry/api@1.9.0)(@opentelemetry/sdk-trace-base@1.30.1(@opentelemetry/api@1.9.0))(openai@5.12.2(ws@8.18.3(bufferutil@4.0.9)(utf-8-validate@5.0.10))(zod@3.25.67)))(ws@8.18.3(bufferutil@4.0.9)(utf-8-validate@5.0.10))
       '@langchain/textsplitters': 0.1.0(@langchain/core@0.3.68(@opentelemetry/api@1.9.0)(@opentelemetry/sdk-trace-base@1.30.1(@opentelemetry/api@1.9.0))(openai@5.12.2(ws@8.18.3(bufferutil@4.0.9)(utf-8-validate@5.0.10))(zod@3.25.67)))
       js-tiktoken: 1.0.12
       js-yaml: 4.1.0
diff --git a/pnpm-workspace.yaml b/pnpm-workspace.yaml
index 5b6d00bc242..7fa4fcbab8f 100644
--- a/pnpm-workspace.yaml
+++ b/pnpm-workspace.yaml
@@ -16,7 +16,7 @@ catalog:
   '@n8n/typeorm': 0.3.20-14
   '@n8n_io/ai-assistant-sdk': 1.17.0
   '@langchain/core': 0.3.68
-  '@langchain/openai': 0.6.7
+  '@langchain/openai': 0.6.16
   '@langchain/anthropic': 0.3.26
   '@langchain/community': 0.3.50
   '@sentry/node': ^9.42.1