diff --git a/langchain/package.json b/langchain/package.json
index b52c54cbad3f..3b195e0ded24 100644
--- a/langchain/package.json
+++ b/langchain/package.json
@@ -418,6 +418,7 @@
     "@langchain/core": "workspace:*",
     "@langchain/google-genai": "*",
     "@langchain/google-vertexai": "*",
+    "@langchain/google-vertexai-web": "*",
     "@langchain/groq": "*",
     "@langchain/mistralai": "*",
     "@langchain/ollama": "*",
@@ -466,6 +467,7 @@
     "@langchain/core": ">=0.2.21 <0.4.0",
     "@langchain/google-genai": "*",
     "@langchain/google-vertexai": "*",
+    "@langchain/google-vertexai-web": "*",
     "@langchain/groq": "*",
     "@langchain/mistralai": "*",
     "@langchain/ollama": "*",
@@ -494,6 +496,9 @@
     "@langchain/google-vertexai": {
       "optional": true
     },
+    "@langchain/google-vertexai-web": {
+      "optional": true
+    },
     "@langchain/groq": {
       "optional": true
     },
diff --git a/langchain/src/chat_models/universal.ts b/langchain/src/chat_models/universal.ts
index 13311c4cfea5..b6fd4af95d22 100644
--- a/langchain/src/chat_models/universal.ts
+++ b/langchain/src/chat_models/universal.ts
@@ -40,6 +40,8 @@ const _SUPPORTED_PROVIDERS = [
   "azure_openai",
   "cohere",
   "google-vertexai",
+  "google-vertexai-web",
+  "google-genai",
   "google-genai",
   "ollama",
   "together",
@@ -97,6 +99,10 @@ async function _initChatModelHelper(
         const { ChatVertexAI } = await import("@langchain/google-vertexai");
         return new ChatVertexAI({ model, ...passedParams });
       }
+      case "google-vertexai-web": {
+        const { ChatVertexAI } = await import("@langchain/google-vertexai-web");
+        return new ChatVertexAI({ model, ...passedParams });
+      }
       case "google-genai": {
         const { ChatGoogleGenerativeAI } = await import(
           "@langchain/google-genai"
@@ -594,6 +600,7 @@ export async function initChatModel<
  *   - anthropic (@langchain/anthropic)
  *   - azure_openai (@langchain/openai)
  *   - google-vertexai (@langchain/google-vertexai)
+ *   - google-vertexai-web (@langchain/google-vertexai-web)
  *   - google-genai (@langchain/google-genai)
  *   - bedrock (@langchain/aws)
  *   - cohere (@langchain/cohere)
diff --git a/yarn.lock b/yarn.lock
index 18a03eb87a03..2bb9ce4b777c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -12603,7 +12603,7 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@langchain/google-vertexai-web@workspace:*, @langchain/google-vertexai-web@workspace:libs/langchain-google-vertexai-web":
+"@langchain/google-vertexai-web@*, @langchain/google-vertexai-web@workspace:*, @langchain/google-vertexai-web@workspace:libs/langchain-google-vertexai-web":
   version: 0.0.0-use.local
   resolution: "@langchain/google-vertexai-web@workspace:libs/langchain-google-vertexai-web"
   dependencies:
@@ -33433,6 +33433,7 @@ __metadata:
     "@langchain/core": "workspace:*"
     "@langchain/google-genai": "*"
     "@langchain/google-vertexai": "*"
+    "@langchain/google-vertexai-web": "*"
     "@langchain/groq": "*"
     "@langchain/mistralai": "*"
     "@langchain/ollama": "*"
@@ -33492,6 +33493,7 @@ __metadata:
     "@langchain/core": ">=0.2.21 <0.4.0"
     "@langchain/google-genai": "*"
     "@langchain/google-vertexai": "*"
+    "@langchain/google-vertexai-web": "*"
     "@langchain/groq": "*"
     "@langchain/mistralai": "*"
     "@langchain/ollama": "*"
@@ -33513,6 +33515,8 @@ __metadata:
       optional: true
     "@langchain/google-vertexai":
       optional: true
+    "@langchain/google-vertexai-web":
+      optional: true
     "@langchain/groq":
       optional: true
     "@langchain/mistralai":