diff --git a/dim.ts b/dim.ts
index 6bb4864..5d5a542 100644
--- a/dim.ts
+++ b/dim.ts
@@ -135,7 +135,7 @@ await new Command()
     new Command()
       .option(
         "-t, --target <target:string>",
-        "Specify the target data name or file path to send to ChatGPT.",
+        "Specify the target data name or file path to send to GPT-3 API.",
       )
       .option(
         "-o, --output <output:string>",
@@ -143,7 +143,7 @@ await new Command()
       )
       .arguments("<prompt:string>")
       .description(
-        "Auto-generate code about target data using ChatGPT. \nFor example, conversion processing, visualization processing, etc.",
+        "Auto-generate code about target data using GPT-3 API. \nFor example, conversion processing, visualization processing, etc.",
       )
       .action(new GenerateAction().execute),
   )
diff --git a/libs/actions.ts b/libs/actions.ts
index 8197edb..89db4de 100644
--- a/libs/actions.ts
+++ b/libs/actions.ts
@@ -4,7 +4,7 @@ import { DimFileAccessor, DimLockFileAccessor } from "./accessor.ts";
 import { CkanApiClient } from "./ckan_api_client.ts";
 import { createDataFilesDir, initDimFile, initDimLockFile } from "./action_helper/initializer.ts";
 import { installFromDimFile, installFromURL, interactiveInstall, parseHeader } from "./action_helper/installer.ts";
-import { ChatGPTClient } from "./chatgpt_client.ts";
+import { OpenAIClient } from "./openai_client.ts";
 import { ConsoleAnimation } from "./console_animation.ts";
 
 export class InitAction {
@@ -376,7 +376,7 @@ export class GenerateAction {
     const dataNameList = dimLockFileAccessor.getContents().map((c) => c.name);
     if (!target) {
       target = await Input.prompt({
-        message: "Enter the target data name or file path to send to ChatGPT.",
+        message: "Enter the target data name or file path to send to GPT-3 API.",
         hint: `${dataNameList.join(", ").slice(0, 50)}... or target file path])`,
         suggestions: dataNameList,
         validate: (text) => {
@@ -403,7 +403,7 @@ export class GenerateAction {
       `Generate a code ...`,
     );
     consoleAnimation.start(100);
-    const response = await new ChatGPTClient().request(`${targetData}\n${prompt}`);
+    const response = await new OpenAIClient().request(`${targetData}\n${prompt}`);
     if (!response) {
       return;
     }
diff --git a/libs/chatgpt_client.ts b/libs/openai_client.ts
similarity index 97%
rename from libs/chatgpt_client.ts
rename to libs/openai_client.ts
index 1e699cf..dbe1f01 100644
--- a/libs/chatgpt_client.ts
+++ b/libs/openai_client.ts
@@ -2,7 +2,7 @@ import { Colors, ky } from "../deps.ts";
 import { OPENAPI_COMPLETIONS_ENDPOINT } from "./consts.ts";
 import { OpenAICompletionsResponse } from "./types.ts";
 
-export class ChatGPTClient {
+export class OpenAIClient {
   private apiKey;
 
   constructor() {
diff --git a/tests/libs/actions.generate.test.ts b/tests/libs/actions.generate.test.ts
index 55c7bd2..81f8650 100644
--- a/tests/libs/actions.generate.test.ts
+++ b/tests/libs/actions.generate.test.ts
@@ -199,7 +199,7 @@ describe("GenerateAction", () => {
     );
     assertEquals(
       targetInputPromptMessage,
-      "Enter the target data name or file path to send to ChatGPT.",
+      "Enter the target data name or file path to send to GPT-3 API.",
     );
     assert(targetInputPromptValidate("test"));
     assertFalse(targetInputPromptValidate(""));