diff --git a/src/core.ts b/src/core.ts
index 5ff672620..70b8e679c 100644
--- a/src/core.ts
+++ b/src/core.ts
@@ -564,27 +564,6 @@ export abstract class APIClient {
   }
 }
 
-export class APIResource {
-  protected client: APIClient;
-  constructor(client: APIClient) {
-    this.client = client;
-
-    this.get = client.get.bind(client);
-    this.post = client.post.bind(client);
-    this.patch = client.patch.bind(client);
-    this.put = client.put.bind(client);
-    this.delete = client.delete.bind(client);
-    this.getAPIList = client.getAPIList.bind(client);
-  }
-
-  protected get: APIClient['get'];
-  protected post: APIClient['post'];
-  protected patch: APIClient['patch'];
-  protected put: APIClient['put'];
-  protected delete: APIClient['delete'];
-  protected getAPIList: APIClient['getAPIList'];
-}
-
 export type PageInfo = { url: URL } | { params: Record<string, unknown> | null };
 
 export abstract class AbstractPage<Item> implements AsyncIterable<Item> {
diff --git a/src/resource.ts b/src/resource.ts
index 9c58ae78b..0bf87cf33 100644
--- a/src/resource.ts
+++ b/src/resource.ts
@@ -3,22 +3,9 @@
 import type { OpenAI } from './index';
 
 export class APIResource {
-  protected client: OpenAI;
-  constructor(client: OpenAI) {
-    this.client = client;
+  protected _client: OpenAI;
 
-    this.get = client.get.bind(client);
-    this.post = client.post.bind(client);
-    this.patch = client.patch.bind(client);
-    this.put = client.put.bind(client);
-    this.delete = client.delete.bind(client);
-    this.getAPIList = client.getAPIList.bind(client);
+  constructor(client: OpenAI) {
+    this._client = client;
   }
-
-  protected get: OpenAI['get'];
-  protected post: OpenAI['post'];
-  protected patch: OpenAI['patch'];
-  protected put: OpenAI['put'];
-  protected delete: OpenAI['delete'];
-  protected getAPIList: OpenAI['getAPIList'];
 }
diff --git a/src/resources/audio/audio.ts b/src/resources/audio/audio.ts
index ee8c28c6b..960577b0d 100644
--- a/src/resources/audio/audio.ts
+++ b/src/resources/audio/audio.ts
@@ -6,9 +6,9 @@ import * as TranscriptionsAPI from 'openai/resources/audio/transcriptions';
 import * as TranslationsAPI from 'openai/resources/audio/translations';
 
 export class Audio extends APIResource {
-  transcriptions: TranscriptionsAPI.Transcriptions = new TranscriptionsAPI.Transcriptions(this.client);
-  translations: TranslationsAPI.Translations = new TranslationsAPI.Translations(this.client);
-  speech: SpeechAPI.Speech = new SpeechAPI.Speech(this.client);
+  transcriptions: TranscriptionsAPI.Transcriptions = new TranscriptionsAPI.Transcriptions(this._client);
+  translations: TranslationsAPI.Translations = new TranslationsAPI.Translations(this._client);
+  speech: SpeechAPI.Speech = new SpeechAPI.Speech(this._client);
 }
 
 export namespace Audio {
diff --git a/src/resources/audio/speech.ts b/src/resources/audio/speech.ts
index c8199e746..89e426847 100644
--- a/src/resources/audio/speech.ts
+++ b/src/resources/audio/speech.ts
@@ -10,7 +10,7 @@ export class Speech extends APIResource {
    * Generates audio from the input text.
    */
   create(body: SpeechCreateParams, options?: Core.RequestOptions): Core.APIPromise<Response> {
-    return this.post('/audio/speech', { body, ...options, __binaryResponse: true });
+    return this._client.post('/audio/speech', { body, ...options, __binaryResponse: true });
   }
 }
 
diff --git a/src/resources/audio/transcriptions.ts b/src/resources/audio/transcriptions.ts
index feb37df09..aaf62bd29 100644
--- a/src/resources/audio/transcriptions.ts
+++ b/src/resources/audio/transcriptions.ts
@@ -10,7 +10,7 @@ export class Transcriptions extends APIResource {
    * Transcribes audio into the input language.
    */
   create(body: TranscriptionCreateParams, options?: Core.RequestOptions): Core.APIPromise<Transcription> {
-    return this.post('/audio/transcriptions', multipartFormRequestOptions({ body, ...options }));
+    return this._client.post('/audio/transcriptions', multipartFormRequestOptions({ body, ...options }));
   }
 }
 
diff --git a/src/resources/audio/translations.ts b/src/resources/audio/translations.ts
index 58e3ab7e7..54583ce1f 100644
--- a/src/resources/audio/translations.ts
+++ b/src/resources/audio/translations.ts
@@ -10,7 +10,7 @@ export class Translations extends APIResource {
    * Translates audio into English.
    */
   create(body: TranslationCreateParams, options?: Core.RequestOptions): Core.APIPromise<Translation> {
-    return this.post('/audio/translations', multipartFormRequestOptions({ body, ...options }));
+    return this._client.post('/audio/translations', multipartFormRequestOptions({ body, ...options }));
   }
 }
 
diff --git a/src/resources/beta/assistants/assistants.ts b/src/resources/beta/assistants/assistants.ts
index 052a3d666..3b13a84bb 100644
--- a/src/resources/beta/assistants/assistants.ts
+++ b/src/resources/beta/assistants/assistants.ts
@@ -9,13 +9,13 @@ import * as FilesAPI from 'openai/resources/beta/assistants/files';
 import { CursorPage, type CursorPageParams } from 'openai/pagination';
 
 export class Assistants extends APIResource {
-  files: FilesAPI.Files = new FilesAPI.Files(this.client);
+  files: FilesAPI.Files = new FilesAPI.Files(this._client);
 
   /**
    * Create an assistant with a model and instructions.
    */
   create(body: AssistantCreateParams, options?: Core.RequestOptions): Core.APIPromise<Assistant> {
-    return this.post('/assistants', {
+    return this._client.post('/assistants', {
       body,
       ...options,
       headers: { 'OpenAI-Beta': 'assistants=v1', ...options?.headers },
@@ -26,7 +26,7 @@ export class Assistants extends APIResource {
    * Retrieves an assistant.
    */
   retrieve(assistantId: string, options?: Core.RequestOptions): Core.APIPromise<Assistant> {
-    return this.get(`/assistants/${assistantId}`, {
+    return this._client.get(`/assistants/${assistantId}`, {
       ...options,
       headers: { 'OpenAI-Beta': 'assistants=v1', ...options?.headers },
     });
@@ -40,7 +40,7 @@ export class Assistants extends APIResource {
     body: AssistantUpdateParams,
     options?: Core.RequestOptions,
   ): Core.APIPromise<Assistant> {
-    return this.post(`/assistants/${assistantId}`, {
+    return this._client.post(`/assistants/${assistantId}`, {
       body,
       ...options,
       headers: { 'OpenAI-Beta': 'assistants=v1', ...options?.headers },
@@ -62,7 +62,7 @@ export class Assistants extends APIResource {
     if (isRequestOptions(query)) {
       return this.list({}, query);
     }
-    return this.getAPIList('/assistants', AssistantsPage, {
+    return this._client.getAPIList('/assistants', AssistantsPage, {
       query,
       ...options,
       headers: { 'OpenAI-Beta': 'assistants=v1', ...options?.headers },
@@ -73,7 +73,7 @@ export class Assistants extends APIResource {
    * Delete an assistant.
    */
   del(assistantId: string, options?: Core.RequestOptions): Core.APIPromise<AssistantDeleted> {
-    return this.delete(`/assistants/${assistantId}`, {
+    return this._client.delete(`/assistants/${assistantId}`, {
       ...options,
       headers: { 'OpenAI-Beta': 'assistants=v1', ...options?.headers },
     });
diff --git a/src/resources/beta/assistants/files.ts b/src/resources/beta/assistants/files.ts
index 7733cff9a..7de700e50 100644
--- a/src/resources/beta/assistants/files.ts
+++ b/src/resources/beta/assistants/files.ts
@@ -17,7 +17,7 @@ export class Files extends APIResource {
     body: FileCreateParams,
     options?: Core.RequestOptions,
   ): Core.APIPromise<AssistantFile> {
-    return this.post(`/assistants/${assistantId}/files`, {
+    return this._client.post(`/assistants/${assistantId}/files`, {
       body,
       ...options,
       headers: { 'OpenAI-Beta': 'assistants=v1', ...options?.headers },
@@ -32,7 +32,7 @@ export class Files extends APIResource {
     fileId: string,
     options?: Core.RequestOptions,
   ): Core.APIPromise<AssistantFile> {
-    return this.get(`/assistants/${assistantId}/files/${fileId}`, {
+    return this._client.get(`/assistants/${assistantId}/files/${fileId}`, {
       ...options,
       headers: { 'OpenAI-Beta': 'assistants=v1', ...options?.headers },
     });
@@ -58,7 +58,7 @@ export class Files extends APIResource {
     if (isRequestOptions(query)) {
       return this.list(assistantId, {}, query);
     }
-    return this.getAPIList(`/assistants/${assistantId}/files`, AssistantFilesPage, {
+    return this._client.getAPIList(`/assistants/${assistantId}/files`, AssistantFilesPage, {
       query,
       ...options,
       headers: { 'OpenAI-Beta': 'assistants=v1', ...options?.headers },
@@ -73,7 +73,7 @@ export class Files extends APIResource {
     fileId: string,
     options?: Core.RequestOptions,
   ): Core.APIPromise<FileDeleteResponse> {
-    return this.delete(`/assistants/${assistantId}/files/${fileId}`, {
+    return this._client.delete(`/assistants/${assistantId}/files/${fileId}`, {
       ...options,
       headers: { 'OpenAI-Beta': 'assistants=v1', ...options?.headers },
     });
diff --git a/src/resources/beta/beta.ts b/src/resources/beta/beta.ts
index ed721d8f8..5fd99990d 100644
--- a/src/resources/beta/beta.ts
+++ b/src/resources/beta/beta.ts
@@ -6,9 +6,9 @@ import * as ChatAPI from 'openai/resources/beta/chat/chat';
 import * as ThreadsAPI from 'openai/resources/beta/threads/threads';
 
 export class Beta extends APIResource {
-  chat: ChatAPI.Chat = new ChatAPI.Chat(this.client);
-  assistants: AssistantsAPI.Assistants = new AssistantsAPI.Assistants(this.client);
-  threads: ThreadsAPI.Threads = new ThreadsAPI.Threads(this.client);
+  chat: ChatAPI.Chat = new ChatAPI.Chat(this._client);
+  assistants: AssistantsAPI.Assistants = new AssistantsAPI.Assistants(this._client);
+  threads: ThreadsAPI.Threads = new ThreadsAPI.Threads(this._client);
 }
 
 export namespace Beta {
diff --git a/src/resources/beta/chat/chat.ts b/src/resources/beta/chat/chat.ts
index c871fab2f..a9cadc681 100644
--- a/src/resources/beta/chat/chat.ts
+++ b/src/resources/beta/chat/chat.ts
@@ -4,7 +4,7 @@ import { APIResource } from 'openai/resource';
 import * as CompletionsAPI from 'openai/resources/beta/chat/completions';
 
 export class Chat extends APIResource {
-  completions: CompletionsAPI.Completions = new CompletionsAPI.Completions(this.client);
+  completions: CompletionsAPI.Completions = new CompletionsAPI.Completions(this._client);
 }
 
 export namespace Chat {
diff --git a/src/resources/beta/chat/completions.ts b/src/resources/beta/chat/completions.ts
index 1164b787f..f4904acb7 100644
--- a/src/resources/beta/chat/completions.ts
+++ b/src/resources/beta/chat/completions.ts
@@ -53,13 +53,13 @@ export class Completions extends APIResource {
   ): ChatCompletionRunner | ChatCompletionStreamingRunner {
     if (body.stream) {
       return ChatCompletionStreamingRunner.runFunctions(
-        this.client.chat.completions,
+        this._client.chat.completions,
         body as ChatCompletionStreamingFunctionRunnerParams<FunctionsArgs>,
         options,
       );
     }
     return ChatCompletionRunner.runFunctions(
-      this.client.chat.completions,
+      this._client.chat.completions,
       body as ChatCompletionFunctionRunnerParams<FunctionsArgs>,
       options,
     );
@@ -90,13 +90,13 @@ export class Completions extends APIResource {
   ): ChatCompletionRunner | ChatCompletionStreamingRunner {
     if (body.stream) {
       return ChatCompletionStreamingRunner.runTools(
-        this.client.chat.completions,
+        this._client.chat.completions,
         body as ChatCompletionStreamingToolRunnerParams<FunctionsArgs>,
         options,
       );
     }
     return ChatCompletionRunner.runTools(
-      this.client.chat.completions,
+      this._client.chat.completions,
       body as ChatCompletionToolRunnerParams<FunctionsArgs>,
       options,
     );
@@ -106,6 +106,6 @@ export class Completions extends APIResource {
    * Creates a chat completion stream
    */
   stream(body: ChatCompletionStreamParams, options?: Core.RequestOptions): ChatCompletionStream {
-    return ChatCompletionStream.createChatCompletion(this.client.chat.completions, body, options);
+    return ChatCompletionStream.createChatCompletion(this._client.chat.completions, body, options);
   }
 }
diff --git a/src/resources/beta/threads/messages/files.ts b/src/resources/beta/threads/messages/files.ts
index 4bbc06538..72c01bb97 100644
--- a/src/resources/beta/threads/messages/files.ts
+++ b/src/resources/beta/threads/messages/files.ts
@@ -16,7 +16,7 @@ export class Files extends APIResource {
     fileId: string,
     options?: Core.RequestOptions,
   ): Core.APIPromise<MessageFile> {
-    return this.get(`/threads/${threadId}/messages/${messageId}/files/${fileId}`, {
+    return this._client.get(`/threads/${threadId}/messages/${messageId}/files/${fileId}`, {
       ...options,
       headers: { 'OpenAI-Beta': 'assistants=v1', ...options?.headers },
     });
@@ -45,7 +45,7 @@ export class Files extends APIResource {
     if (isRequestOptions(query)) {
       return this.list(threadId, messageId, {}, query);
     }
-    return this.getAPIList(`/threads/${threadId}/messages/${messageId}/files`, MessageFilesPage, {
+    return this._client.getAPIList(`/threads/${threadId}/messages/${messageId}/files`, MessageFilesPage, {
       query,
       ...options,
       headers: { 'OpenAI-Beta': 'assistants=v1', ...options?.headers },
diff --git a/src/resources/beta/threads/messages/messages.ts b/src/resources/beta/threads/messages/messages.ts
index cf7bf35e5..40b436829 100644
--- a/src/resources/beta/threads/messages/messages.ts
+++ b/src/resources/beta/threads/messages/messages.ts
@@ -8,7 +8,7 @@ import * as FilesAPI from 'openai/resources/beta/threads/messages/files';
 import { CursorPage, type CursorPageParams } from 'openai/pagination';
 
 export class Messages extends APIResource {
-  files: FilesAPI.Files = new FilesAPI.Files(this.client);
+  files: FilesAPI.Files = new FilesAPI.Files(this._client);
 
   /**
    * Create a message.
@@ -18,7 +18,7 @@ export class Messages extends APIResource {
     body: MessageCreateParams,
     options?: Core.RequestOptions,
   ): Core.APIPromise<ThreadMessage> {
-    return this.post(`/threads/${threadId}/messages`, {
+    return this._client.post(`/threads/${threadId}/messages`, {
       body,
       ...options,
       headers: { 'OpenAI-Beta': 'assistants=v1', ...options?.headers },
@@ -33,7 +33,7 @@ export class Messages extends APIResource {
     messageId: string,
     options?: Core.RequestOptions,
   ): Core.APIPromise<ThreadMessage> {
-    return this.get(`/threads/${threadId}/messages/${messageId}`, {
+    return this._client.get(`/threads/${threadId}/messages/${messageId}`, {
       ...options,
       headers: { 'OpenAI-Beta': 'assistants=v1', ...options?.headers },
     });
@@ -48,7 +48,7 @@ export class Messages extends APIResource {
     body: MessageUpdateParams,
     options?: Core.RequestOptions,
   ): Core.APIPromise<ThreadMessage> {
-    return this.post(`/threads/${threadId}/messages/${messageId}`, {
+    return this._client.post(`/threads/${threadId}/messages/${messageId}`, {
       body,
       ...options,
       headers: { 'OpenAI-Beta': 'assistants=v1', ...options?.headers },
@@ -72,7 +72,7 @@ export class Messages extends APIResource {
     if (isRequestOptions(query)) {
       return this.list(threadId, {}, query);
     }
-    return this.getAPIList(`/threads/${threadId}/messages`, ThreadMessagesPage, {
+    return this._client.getAPIList(`/threads/${threadId}/messages`, ThreadMessagesPage, {
       query,
       ...options,
       headers: { 'OpenAI-Beta': 'assistants=v1', ...options?.headers },
diff --git a/src/resources/beta/threads/runs/runs.ts b/src/resources/beta/threads/runs/runs.ts
index c2fc93a3c..f59fdff3f 100644
--- a/src/resources/beta/threads/runs/runs.ts
+++ b/src/resources/beta/threads/runs/runs.ts
@@ -9,13 +9,13 @@ import * as StepsAPI from 'openai/resources/beta/threads/runs/steps';
 import { CursorPage, type CursorPageParams } from 'openai/pagination';
 
 export class Runs extends APIResource {
-  steps: StepsAPI.Steps = new StepsAPI.Steps(this.client);
+  steps: StepsAPI.Steps = new StepsAPI.Steps(this._client);
 
   /**
    * Create a run.
    */
   create(threadId: string, body: RunCreateParams, options?: Core.RequestOptions): Core.APIPromise<Run> {
-    return this.post(`/threads/${threadId}/runs`, {
+    return this._client.post(`/threads/${threadId}/runs`, {
       body,
       ...options,
       headers: { 'OpenAI-Beta': 'assistants=v1', ...options?.headers },
@@ -26,7 +26,7 @@ export class Runs extends APIResource {
    * Retrieves a run.
    */
   retrieve(threadId: string, runId: string, options?: Core.RequestOptions): Core.APIPromise<Run> {
-    return this.get(`/threads/${threadId}/runs/${runId}`, {
+    return this._client.get(`/threads/${threadId}/runs/${runId}`, {
       ...options,
       headers: { 'OpenAI-Beta': 'assistants=v1', ...options?.headers },
     });
@@ -41,7 +41,7 @@ export class Runs extends APIResource {
     body: RunUpdateParams,
     options?: Core.RequestOptions,
   ): Core.APIPromise<Run> {
-    return this.post(`/threads/${threadId}/runs/${runId}`, {
+    return this._client.post(`/threads/${threadId}/runs/${runId}`, {
       body,
       ...options,
       headers: { 'OpenAI-Beta': 'assistants=v1', ...options?.headers },
@@ -65,7 +65,7 @@ export class Runs extends APIResource {
     if (isRequestOptions(query)) {
       return this.list(threadId, {}, query);
     }
-    return this.getAPIList(`/threads/${threadId}/runs`, RunsPage, {
+    return this._client.getAPIList(`/threads/${threadId}/runs`, RunsPage, {
       query,
       ...options,
       headers: { 'OpenAI-Beta': 'assistants=v1', ...options?.headers },
@@ -76,7 +76,7 @@ export class Runs extends APIResource {
    * Cancels a run that is `in_progress`.
    */
   cancel(threadId: string, runId: string, options?: Core.RequestOptions): Core.APIPromise<Run> {
-    return this.post(`/threads/${threadId}/runs/${runId}/cancel`, {
+    return this._client.post(`/threads/${threadId}/runs/${runId}/cancel`, {
       ...options,
       headers: { 'OpenAI-Beta': 'assistants=v1', ...options?.headers },
     });
@@ -94,7 +94,7 @@ export class Runs extends APIResource {
     body: RunSubmitToolOutputsParams,
     options?: Core.RequestOptions,
   ): Core.APIPromise<Run> {
-    return this.post(`/threads/${threadId}/runs/${runId}/submit_tool_outputs`, {
+    return this._client.post(`/threads/${threadId}/runs/${runId}/submit_tool_outputs`, {
       body,
       ...options,
       headers: { 'OpenAI-Beta': 'assistants=v1', ...options?.headers },
diff --git a/src/resources/beta/threads/runs/steps.ts b/src/resources/beta/threads/runs/steps.ts
index 6f3b5624a..9a335a1aa 100644
--- a/src/resources/beta/threads/runs/steps.ts
+++ b/src/resources/beta/threads/runs/steps.ts
@@ -16,7 +16,7 @@ export class Steps extends APIResource {
     stepId: string,
     options?: Core.RequestOptions,
   ): Core.APIPromise<RunStep> {
-    return this.get(`/threads/${threadId}/runs/${runId}/steps/${stepId}`, {
+    return this._client.get(`/threads/${threadId}/runs/${runId}/steps/${stepId}`, {
       ...options,
       headers: { 'OpenAI-Beta': 'assistants=v1', ...options?.headers },
     });
@@ -45,7 +45,7 @@ export class Steps extends APIResource {
     if (isRequestOptions(query)) {
       return this.list(threadId, runId, {}, query);
     }
-    return this.getAPIList(`/threads/${threadId}/runs/${runId}/steps`, RunStepsPage, {
+    return this._client.getAPIList(`/threads/${threadId}/runs/${runId}/steps`, RunStepsPage, {
       query,
       ...options,
       headers: { 'OpenAI-Beta': 'assistants=v1', ...options?.headers },
diff --git a/src/resources/beta/threads/threads.ts b/src/resources/beta/threads/threads.ts
index c147cefad..8bbe1804f 100644
--- a/src/resources/beta/threads/threads.ts
+++ b/src/resources/beta/threads/threads.ts
@@ -9,8 +9,8 @@ import * as MessagesAPI from 'openai/resources/beta/threads/messages/messages';
 import * as RunsAPI from 'openai/resources/beta/threads/runs/runs';
 
 export class Threads extends APIResource {
-  runs: RunsAPI.Runs = new RunsAPI.Runs(this.client);
-  messages: MessagesAPI.Messages = new MessagesAPI.Messages(this.client);
+  runs: RunsAPI.Runs = new RunsAPI.Runs(this._client);
+  messages: MessagesAPI.Messages = new MessagesAPI.Messages(this._client);
 
   /**
    * Create a thread.
@@ -24,7 +24,7 @@ export class Threads extends APIResource {
     if (isRequestOptions(body)) {
       return this.create({}, body);
     }
-    return this.post('/threads', {
+    return this._client.post('/threads', {
       body,
       ...options,
       headers: { 'OpenAI-Beta': 'assistants=v1', ...options?.headers },
@@ -35,7 +35,7 @@ export class Threads extends APIResource {
    * Retrieves a thread.
    */
   retrieve(threadId: string, options?: Core.RequestOptions): Core.APIPromise<Thread> {
-    return this.get(`/threads/${threadId}`, {
+    return this._client.get(`/threads/${threadId}`, {
       ...options,
       headers: { 'OpenAI-Beta': 'assistants=v1', ...options?.headers },
     });
@@ -45,7 +45,7 @@ export class Threads extends APIResource {
    * Modifies a thread.
    */
   update(threadId: string, body: ThreadUpdateParams, options?: Core.RequestOptions): Core.APIPromise<Thread> {
-    return this.post(`/threads/${threadId}`, {
+    return this._client.post(`/threads/${threadId}`, {
       body,
       ...options,
       headers: { 'OpenAI-Beta': 'assistants=v1', ...options?.headers },
@@ -56,7 +56,7 @@ export class Threads extends APIResource {
    * Delete a thread.
    */
   del(threadId: string, options?: Core.RequestOptions): Core.APIPromise<ThreadDeleted> {
-    return this.delete(`/threads/${threadId}`, {
+    return this._client.delete(`/threads/${threadId}`, {
       ...options,
       headers: { 'OpenAI-Beta': 'assistants=v1', ...options?.headers },
     });
@@ -66,7 +66,7 @@ export class Threads extends APIResource {
    * Create a thread and run it in one request.
    */
   createAndRun(body: ThreadCreateAndRunParams, options?: Core.RequestOptions): Core.APIPromise<RunsAPI.Run> {
-    return this.post('/threads/runs', {
+    return this._client.post('/threads/runs', {
       body,
       ...options,
       headers: { 'OpenAI-Beta': 'assistants=v1', ...options?.headers },
diff --git a/src/resources/chat/chat.ts b/src/resources/chat/chat.ts
index 007c9271a..63e857e9b 100644
--- a/src/resources/chat/chat.ts
+++ b/src/resources/chat/chat.ts
@@ -4,7 +4,7 @@ import { APIResource } from 'openai/resource';
 import * as CompletionsAPI from 'openai/resources/chat/completions';
 
 export class Chat extends APIResource {
-  completions: CompletionsAPI.Completions = new CompletionsAPI.Completions(this.client);
+  completions: CompletionsAPI.Completions = new CompletionsAPI.Completions(this._client);
 }
 
 export namespace Chat {
diff --git a/src/resources/chat/completions.ts b/src/resources/chat/completions.ts
index 57aa68ff4..3f83a7dd4 100644
--- a/src/resources/chat/completions.ts
+++ b/src/resources/chat/completions.ts
@@ -28,7 +28,7 @@ export class Completions extends APIResource {
     body: ChatCompletionCreateParams,
     options?: Core.RequestOptions,
   ): APIPromise<ChatCompletion> | APIPromise<Stream<ChatCompletionChunk>> {
-    return this.post('/chat/completions', { body, ...options, stream: body.stream ?? false }) as
+    return this._client.post('/chat/completions', { body, ...options, stream: body.stream ?? false }) as
       | APIPromise<ChatCompletion>
       | APIPromise<Stream<ChatCompletionChunk>>;
   }
diff --git a/src/resources/completions.ts b/src/resources/completions.ts
index c314e7cf8..0bee93131 100644
--- a/src/resources/completions.ts
+++ b/src/resources/completions.ts
@@ -23,7 +23,7 @@ export class Completions extends APIResource {
     body: CompletionCreateParams,
     options?: Core.RequestOptions,
   ): APIPromise<Completion> | APIPromise<Stream<Completion>> {
-    return this.post('/completions', { body, ...options, stream: body.stream ?? false }) as
+    return this._client.post('/completions', { body, ...options, stream: body.stream ?? false }) as
       | APIPromise<Completion>
       | APIPromise<Stream<Completion>>;
   }
diff --git a/src/resources/edits.ts b/src/resources/edits.ts
index a6512a1e9..0b7b4802b 100644
--- a/src/resources/edits.ts
+++ b/src/resources/edits.ts
@@ -14,7 +14,7 @@ export class Edits extends APIResource {
    * https://openai.com/blog/gpt-4-api-general-availability#deprecation-of-the-edits-api
    */
   create(body: EditCreateParams, options?: Core.RequestOptions): Core.APIPromise<Edit> {
-    return this.post('/edits', { body, ...options });
+    return this._client.post('/edits', { body, ...options });
   }
 }
 
diff --git a/src/resources/embeddings.ts b/src/resources/embeddings.ts
index 93637821d..7ace4589d 100644
--- a/src/resources/embeddings.ts
+++ b/src/resources/embeddings.ts
@@ -12,7 +12,7 @@ export class Embeddings extends APIResource {
     body: EmbeddingCreateParams,
     options?: Core.RequestOptions,
   ): Core.APIPromise<CreateEmbeddingResponse> {
-    return this.post('/embeddings', { body, ...options });
+    return this._client.post('/embeddings', { body, ...options });
   }
 }
 
diff --git a/src/resources/files.ts b/src/resources/files.ts
index 4dda2f7ba..8e3a759d9 100644
--- a/src/resources/files.ts
+++ b/src/resources/files.ts
@@ -24,14 +24,14 @@ export class Files extends APIResource {
    * storage limits.
    */
   create(body: FileCreateParams, options?: Core.RequestOptions): Core.APIPromise<FileObject> {
-    return this.post('/files', multipartFormRequestOptions({ body, ...options }));
+    return this._client.post('/files', multipartFormRequestOptions({ body, ...options }));
   }
 
   /**
    * Returns information about a specific file.
    */
   retrieve(fileId: string, options?: Core.RequestOptions): Core.APIPromise<FileObject> {
-    return this.get(`/files/${fileId}`, options);
+    return this._client.get(`/files/${fileId}`, options);
   }
 
   /**
@@ -46,21 +46,21 @@ export class Files extends APIResource {
     if (isRequestOptions(query)) {
       return this.list({}, query);
     }
-    return this.getAPIList('/files', FileObjectsPage, { query, ...options });
+    return this._client.getAPIList('/files', FileObjectsPage, { query, ...options });
   }
 
   /**
    * Delete a file.
    */
   del(fileId: string, options?: Core.RequestOptions): Core.APIPromise<FileDeleted> {
-    return this.delete(`/files/${fileId}`, options);
+    return this._client.delete(`/files/${fileId}`, options);
   }
 
   /**
    * Returns the contents of the specified file.
    */
   content(fileId: string, options?: Core.RequestOptions): Core.APIPromise<Response> {
-    return this.get(`/files/${fileId}/content`, { ...options, __binaryResponse: true });
+    return this._client.get(`/files/${fileId}/content`, { ...options, __binaryResponse: true });
   }
 
   /**
@@ -69,7 +69,7 @@ export class Files extends APIResource {
    * @deprecated The `.content()` method should be used instead
    */
   retrieveContent(fileId: string, options?: Core.RequestOptions): Core.APIPromise<string> {
-    return this.get(`/files/${fileId}/content`, {
+    return this._client.get(`/files/${fileId}/content`, {
       ...options,
       headers: { Accept: 'application/json', ...options?.headers },
     });
diff --git a/src/resources/fine-tunes.ts b/src/resources/fine-tunes.ts
index 59551452f..8e8193720 100644
--- a/src/resources/fine-tunes.ts
+++ b/src/resources/fine-tunes.ts
@@ -18,7 +18,7 @@ export class FineTunes extends APIResource {
    * [Learn more about fine-tuning](https://platform.openai.com/docs/guides/legacy-fine-tuning)
    */
   create(body: FineTuneCreateParams, options?: Core.RequestOptions): Core.APIPromise<FineTune> {
-    return this.post('/fine-tunes', { body, ...options });
+    return this._client.post('/fine-tunes', { body, ...options });
   }
 
   /**
@@ -27,21 +27,21 @@ export class FineTunes extends APIResource {
    * [Learn more about fine-tuning](https://platform.openai.com/docs/guides/legacy-fine-tuning)
    */
   retrieve(fineTuneId: string, options?: Core.RequestOptions): Core.APIPromise<FineTune> {
-    return this.get(`/fine-tunes/${fineTuneId}`, options);
+    return this._client.get(`/fine-tunes/${fineTuneId}`, options);
   }
 
   /**
    * List your organization's fine-tuning jobs
    */
   list(options?: Core.RequestOptions): Core.PagePromise<FineTunesPage, FineTune> {
-    return this.getAPIList('/fine-tunes', FineTunesPage, options);
+    return this._client.getAPIList('/fine-tunes', FineTunesPage, options);
   }
 
   /**
    * Immediately cancel a fine-tune job.
    */
   cancel(fineTuneId: string, options?: Core.RequestOptions): Core.APIPromise<FineTune> {
-    return this.post(`/fine-tunes/${fineTuneId}/cancel`, options);
+    return this._client.post(`/fine-tunes/${fineTuneId}/cancel`, options);
   }
 
   /**
@@ -67,7 +67,7 @@ export class FineTunes extends APIResource {
     query?: FineTuneListEventsParams | undefined,
     options?: Core.RequestOptions,
   ): APIPromise<FineTuneEventsListResponse> | APIPromise<Stream<FineTuneEvent>> {
-    return this.get(`/fine-tunes/${fineTuneId}/events`, {
+    return this._client.get(`/fine-tunes/${fineTuneId}/events`, {
       query,
       timeout: 86400000,
       ...options,
diff --git a/src/resources/fine-tuning/fine-tuning.ts b/src/resources/fine-tuning/fine-tuning.ts
index 3c0a5a852..5d2d27ac3 100644
--- a/src/resources/fine-tuning/fine-tuning.ts
+++ b/src/resources/fine-tuning/fine-tuning.ts
@@ -4,7 +4,7 @@ import { APIResource } from 'openai/resource';
 import * as JobsAPI from 'openai/resources/fine-tuning/jobs';
 
 export class FineTuning extends APIResource {
-  jobs: JobsAPI.Jobs = new JobsAPI.Jobs(this.client);
+  jobs: JobsAPI.Jobs = new JobsAPI.Jobs(this._client);
 }
 
 export namespace FineTuning {
diff --git a/src/resources/fine-tuning/jobs.ts b/src/resources/fine-tuning/jobs.ts
index ad5ef3e0b..9e013b27a 100644
--- a/src/resources/fine-tuning/jobs.ts
+++ b/src/resources/fine-tuning/jobs.ts
@@ -16,7 +16,7 @@ export class Jobs extends APIResource {
    * [Learn more about fine-tuning](https://platform.openai.com/docs/guides/fine-tuning)
    */
   create(body: JobCreateParams, options?: Core.RequestOptions): Core.APIPromise<FineTuningJob> {
-    return this.post('/fine_tuning/jobs', { body, ...options });
+    return this._client.post('/fine_tuning/jobs', { body, ...options });
   }
 
   /**
@@ -25,7 +25,7 @@ export class Jobs extends APIResource {
    * [Learn more about fine-tuning](https://platform.openai.com/docs/guides/fine-tuning)
    */
   retrieve(fineTuningJobId: string, options?: Core.RequestOptions): Core.APIPromise<FineTuningJob> {
-    return this.get(`/fine_tuning/jobs/${fineTuningJobId}`, options);
+    return this._client.get(`/fine_tuning/jobs/${fineTuningJobId}`, options);
   }
 
   /**
@@ -43,14 +43,14 @@ export class Jobs extends APIResource {
     if (isRequestOptions(query)) {
       return this.list({}, query);
     }
-    return this.getAPIList('/fine_tuning/jobs', FineTuningJobsPage, { query, ...options });
+    return this._client.getAPIList('/fine_tuning/jobs', FineTuningJobsPage, { query, ...options });
   }
 
   /**
    * Immediately cancel a fine-tune job.
    */
   cancel(fineTuningJobId: string, options?: Core.RequestOptions): Core.APIPromise<FineTuningJob> {
-    return this.post(`/fine_tuning/jobs/${fineTuningJobId}/cancel`, options);
+    return this._client.post(`/fine_tuning/jobs/${fineTuningJobId}/cancel`, options);
   }
 
   /**
@@ -73,7 +73,7 @@ export class Jobs extends APIResource {
     if (isRequestOptions(query)) {
       return this.listEvents(fineTuningJobId, {}, query);
     }
-    return this.getAPIList(`/fine_tuning/jobs/${fineTuningJobId}/events`, FineTuningJobEventsPage, {
+    return this._client.getAPIList(`/fine_tuning/jobs/${fineTuningJobId}/events`, FineTuningJobEventsPage, {
       query,
       ...options,
     });
diff --git a/src/resources/images.ts b/src/resources/images.ts
index 36744cb38..4bc654903 100644
--- a/src/resources/images.ts
+++ b/src/resources/images.ts
@@ -13,21 +13,21 @@ export class Images extends APIResource {
     body: ImageCreateVariationParams,
     options?: Core.RequestOptions,
   ): Core.APIPromise<ImagesResponse> {
-    return this.post('/images/variations', multipartFormRequestOptions({ body, ...options }));
+    return this._client.post('/images/variations', multipartFormRequestOptions({ body, ...options }));
   }
 
   /**
    * Creates an edited or extended image given an original image and a prompt.
    */
   edit(body: ImageEditParams, options?: Core.RequestOptions): Core.APIPromise<ImagesResponse> {
-    return this.post('/images/edits', multipartFormRequestOptions({ body, ...options }));
+    return this._client.post('/images/edits', multipartFormRequestOptions({ body, ...options }));
   }
 
   /**
    * Creates an image given a prompt.
    */
   generate(body: ImageGenerateParams, options?: Core.RequestOptions): Core.APIPromise<ImagesResponse> {
-    return this.post('/images/generations', { body, ...options });
+    return this._client.post('/images/generations', { body, ...options });
   }
 }
 
diff --git a/src/resources/models.ts b/src/resources/models.ts
index 4954ab4dd..6c6c3379c 100644
--- a/src/resources/models.ts
+++ b/src/resources/models.ts
@@ -11,7 +11,7 @@ export class Models extends APIResource {
    * the owner and permissioning.
    */
   retrieve(model: string, options?: Core.RequestOptions): Core.APIPromise<Model> {
-    return this.get(`/models/${model}`, options);
+    return this._client.get(`/models/${model}`, options);
   }
 
   /**
@@ -19,7 +19,7 @@ export class Models extends APIResource {
    * one such as the owner and availability.
    */
   list(options?: Core.RequestOptions): Core.PagePromise<ModelsPage, Model> {
-    return this.getAPIList('/models', ModelsPage, options);
+    return this._client.getAPIList('/models', ModelsPage, options);
   }
 
   /**
@@ -27,7 +27,7 @@ export class Models extends APIResource {
    * delete a model.
    */
   del(model: string, options?: Core.RequestOptions): Core.APIPromise<ModelDeleted> {
-    return this.delete(`/models/${model}`, options);
+    return this._client.delete(`/models/${model}`, options);
   }
 }
 
diff --git a/src/resources/moderations.ts b/src/resources/moderations.ts
index 21603ceea..5beda53ac 100644
--- a/src/resources/moderations.ts
+++ b/src/resources/moderations.ts
@@ -12,7 +12,7 @@ export class Moderations extends APIResource {
     body: ModerationCreateParams,
     options?: Core.RequestOptions,
   ): Core.APIPromise<ModerationCreateResponse> {
-    return this.post('/moderations', { body, ...options });
+    return this._client.post('/moderations', { body, ...options });
   }
 }