diff --git a/packages/core/src/callbacks/CallbackManager.ts b/packages/core/src/callbacks/CallbackManager.ts
index fd4ced7a8aaba13f4992596fb4dd3a9900167eb6..ff7f924ba0f74f93919723bf856ec6cf74248fb6 100644
--- a/packages/core/src/callbacks/CallbackManager.ts
+++ b/packages/core/src/callbacks/CallbackManager.ts
@@ -39,6 +39,7 @@ export interface DefaultStreamToken {
 //OpenAI stream token schema is the default.
 //Note: Anthropic and Replicate also use similar token schemas.
 export type OpenAIStreamToken = DefaultStreamToken;
+export type AnthropicStreamToken = DefaultStreamToken;
 
 //
 //Callback Responses