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openai
openai/gpt-5.3-chat

openai/gpt-5.3-chat

發布時間: 2026-03-04

128,000 context · $1.75/M input tokens · $14.00/M output tokens

GPT-5.3 Chat is an update to ChatGPT's most-used model that makes everyday conversations smoother, more useful, and more directly helpful. It delivers more accurate answers with better contextualization and significantly reduces unnecessary refusals, caveats, and overly cautious phrasing that can interrupt conversational flow.

定價

按用量付費

無需預付費用,僅按實際使用量付費

輸入$1.75 / M Tokens
輸出$14.00 / M Tokens
Cache Read$0.17 / M Tokens

試用模型

openai/gpt-5.3-chat
線上
openai
嗨!我是樂於助人的 AI 助理。有什麼可以幫你的嗎?
準備在本機編碼 Agent 中使用這個模型嗎?Agent 設定

API 使用

使用以下程式碼範例整合我們的 API:

import OpenAI from 'openai';

if (!process.env.WAVESPEED_API_KEY) throw new Error('Set WAVESPEED_API_KEY');
const client = new OpenAI({
  apiKey: process.env.WAVESPEED_API_KEY,
  baseURL: 'https://llm.wavespeed.ai/v1',
  timeout: 120_000,
  maxRetries: 2,
});

try {
  const response = await client.chat.completions.create({
    model: 'openai/gpt-5.3-chat',
    messages: [{ role: 'user', content: 'Hello!' }],
  });
  console.log(response.choices[0]?.message?.content ?? '');
} catch (error) {
  console.error('LLM request failed:', error);
  process.exitCode = 1;
}

模型介紹

Openai gpt-5.3-chat

GPT-5.3 Chat is an update to ChatGPT's most-used model that makes everyday conversations smoother, more useful, and more directly helpful. It delivers

GPT-5.3 Chat is an update to ChatGPT's most-used model that makes everyday conversations smoother, more useful, and more directly helpful. It delivers more accurate answers with better contextualization and significantly reduces unnecessary refusals, caveats, and overly cautious phrasing that can interrupt conversational flow.


Why It Looks Great

  • Large Language Model architecture for efficient processing
  • 128000 context window for long document handling
  • Competitive pricing at $1.7/$14.0 per million tokens

Key Features

  • Context Window: 128000 tokens
  • Max Output: 16384 tokens
  • Vision: Supported
  • Function Calling: Supported

Specifications

SpecificationValue
ProviderOpenai
Model TypeLarge Language Model (LLM)
ArchitectureN/A
Context Window128000 tokens
Max Output16384 tokens
InputText
OutputText
VisionSupported
Function CallingSupported

Pricing

Token TypeCost per Million Tokens
Input$1.7
Output$14.0

How to Use

  1. Write your prompt — describe the task, provide context, and specify desired output format.
  2. Submit — the model processes your request and returns the response.

API Integration

Base URL: https://llm.wavespeed.ai/v1 API Endpoint: chat/completions Model ID: openai/gpt-5.3-chat


API Usage

Python SDK

from openai import OpenAI

client = OpenAI(
    api_key="YOUR_API_KEY",
    base_url="https://llm.wavespeed.ai/v1"
)

response = client.chat.completions.create(
    model="openai/gpt-5.3-chat",
    messages=[
        {"role": "user", "content": "Hello!"}
    ]
)

print(response.choices[0].message.content)

cURL

curl https://llm.wavespeed.ai/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "model": "openai/gpt-5.3-chat",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Notes

  • Model: openai/gpt-5.3-chat
  • Provider: Openai

資訊

提供商openai
類型llm

支援功能

輸入
文字影像
輸出
文字
上下文128,000
最大輸出16,384
視覺✓ 支援
函式呼叫✓ 支援

API 存取指南

Base URLhttps://llm.wavespeed.ai/v1
API 端點chat/completions
Model IDopenai/gpt-5.3-chat

GPT 5.3 Chat API

openai/gpt-5.3-chat

GPT-5.3 Chat is an update to ChatGPT's most-used model that makes everyday conversations smoother, more useful, and more directly helpful. It delivers more accurate answers with better contextualization and significantly reduces unnecessary refusals, caveats, and overly cautious phrasing that can interrupt conversational flow.

輸入

$1.75 /M

輸出

$14 /M

上下文

128K

最大輸出

16K

Vision

支援

工具調用

支援

在 WaveSpeedAI 試用 GPT 5.3 Chat

透過我們的統一 API 接入 GPT 5.3 Chat — 相容 OpenAI、無冷啟動、透明計費。

關於 GPT 5.3 Chat 的常見問題

GPT 5.3 Chat API 多少錢?+

WaveSpeedAI 定價:輸入每百萬 token $1.75,輸出每百萬 token $14.00。Prompt 快取與批次處理分別計費,可顯著降低長上下文、高重複任務的實際成本。

GPT 5.3 Chat 的上下文視窗有多大?+

GPT 5.3 Chat 每次請求最多支援 128K 上下文 token,輸出最多 16K token。

GPT 5.3 Chat 是否相容 OpenAI?+

WaveSpeedAI 透過 https://llm.wavespeed.ai/v1 的 OpenAI 相容 Chat Completions 介面提供 GPT 5.3 Chat。大多數 OpenAI SDK 用戶端只需更換 base URL 和 API Key;選用欄位取決於具體模型。

如何開始使用 GPT 5.3 Chat?+

登入 WaveSpeedAI,在 Access Keys 中建立 API Key,然後使用上方顯示的 model id 向 https://llm.wavespeed.ai/v1/chat/completions 發送請求。模型可用性、能力和價格請以目前模型目錄為準。

相關 LLM API

GPT-5.3 Chat | OpenAI Conversational LLM API | WaveSpeedAI