diff --git a/js/src/schemas.ts b/js/src/schemas.ts
index f33ee1f80..6cba693ef 100644
--- a/js/src/schemas.ts
+++ b/js/src/schemas.ts
@@ -397,7 +397,7 @@ export type RetrieverOutput = Array<{
 export interface InvocationParamsSchema {
   ls_provider?: string;
   ls_model_name?: string;
-  ls_model_type: "chat";
+  ls_model_type: "chat" | "text";
   ls_temperature?: number;
   ls_max_tokens?: number;
   ls_stop?: string[];
diff --git a/js/src/wrappers/openai.ts b/js/src/wrappers/openai.ts
index e43c55775..0ea56f882 100644
--- a/js/src/wrappers/openai.ts
+++ b/js/src/wrappers/openai.ts
@@ -263,7 +263,7 @@ export const wrapOpenAI = <T extends OpenAIType>(
 
         return {
           ls_provider: "openai",
-          ls_model_type: "chat",
+          ls_model_type: "text",
           ls_model_name: params.model,
           ls_max_tokens: params.max_tokens ?? undefined,
           ls_temperature: params.temperature ?? undefined,