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openai/gpt-5.3-chat

openai/gpt-5.3-chat

Data di rilascio: 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.

Prezzi

Pay-per-use

Nessun costo iniziale, paga solo per ciò che usi

Input$1.75 / M Tokens
Output$14.00 / M Tokens
Cache Read$0.17 / M Tokens

Prova il modello

openai/gpt-5.3-chat
Online
openai
Ciao! Sono un assistente IA utile. Come posso aiutarti?
Pronto a usare questo modello in un coding agent locale?Setup agent

Utilizzo API

Usa i seguenti esempi di codice per integrare la nostra 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;
}

Introduzione al modello

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

Info

Provideropenai
Tipollm

Funzionalità supportate

Input
TestoImmagine
Output
Testo
Contesto128,000
Output massimo16,384
Vision✓ Supportato
Function Calling✓ Supportato

Guida all'accesso API

Base URLhttps://llm.wavespeed.ai/v1
API Endpointchat/completions
ID modelloopenai/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.

Input

$1.75 /M

Output

$14 /M

Contesto

128K

Output max

16K

Vision

Supportato

Uso strumenti

Supportato

Prova GPT 5.3 Chat su WaveSpeedAI

Accedi a GPT 5.3 Chat tramite la nostra API unificata — compatibile con OpenAI, senza cold start, prezzi trasparenti.

Domande frequenti su GPT 5.3 Chat

Quanto costa GPT 5.3 Chat via API?+

Prezzi su WaveSpeedAI: $1.75 per milione di token in input e $14.00 per milione di token in output. Prompt caching e batch processing sono fatturati separatamente e riducono il costo effettivo su carichi lunghi e ripetitivi.

Qual è la context window di GPT 5.3 Chat?+

GPT 5.3 Chat supporta fino a 128K token di contesto e fino a 16K token di output per richiesta.

GPT 5.3 Chat è compatibile con OpenAI?+

WaveSpeedAI espone GPT 5.3 Chat su https://llm.wavespeed.ai/v1 tramite l’interfaccia Chat Completions compatibile con OpenAI. Per la maggior parte dei client OpenAI SDK basta cambiare base URL e API key; i campi opzionali dipendono dal modello.

Come si inizia con GPT 5.3 Chat?+

Accedi a WaveSpeedAI, crea una API key in Access Keys e invia una richiesta a https://llm.wavespeed.ai/v1/chat/completions con il model id mostrato sopra. Consulta il catalogo attuale per disponibilità, funzionalità e prezzi.

API LLM correlate

GPT-5.3 Chat | OpenAI Conversational LLM API | WaveSpeedAI