diff --git a/types/openai.ts b/types/openai.ts
index d404350..7b14f59 100644
--- a/types/openai.ts
+++ b/types/openai.ts
@@ -10,6 +10,7 @@ export interface OpenAIModel {
 export enum OpenAIModelID {
   GPT_3_5 = 'gpt-3.5-turbo',
   GPT_3_5_AZ = 'gpt-35-turbo',
+  GPT_3_5_16K = 'gpt-3.5-turbo-16k'
   GPT_4 = 'gpt-4',
   GPT_4_32K = 'gpt-4-32k',
 }
@@ -30,6 +31,12 @@ export const OpenAIModels: Record<OpenAIModelID, OpenAIModel> = {
     maxLength: 12000,
     tokenLimit: 4000,
   },
+  [OpenAIModelID.GPT_3_5_16K]: {
+    id: OpenAIModelID.GPT_3_5_16K,
+    name: 'GPT-3.5-16K',
+    maxLength: 96000,
+    tokenLimit: 32000,
+  },
   [OpenAIModelID.GPT_4]: {
     id: OpenAIModelID.GPT_4,
     name: 'GPT-4',