diff --git a/libs/langchain-community/src/chat_models/fireworks.ts b/libs/langchain-community/src/chat_models/fireworks.ts
index 2fb7a62bd118..1d62cdc030cb 100644
--- a/libs/langchain-community/src/chat_models/fireworks.ts
+++ b/libs/langchain-community/src/chat_models/fireworks.ts
@@ -93,7 +93,10 @@ export class ChatFireworks extends ChatOpenAI<ChatFireworksCallOptions> {
 
     super({
       ...fields,
-      model: fields?.model || "accounts/fireworks/models/llama-v2-13b-chat",
+      model:
+        fields?.model ||
+        fields?.modelName ||
+        "accounts/fireworks/models/llama-v3p1-8b-instruct",
       apiKey: fireworksApiKey,
       configuration: {
         baseURL: "https://api.fireworks.ai/inference/v1",