GPT 4 Turbo Preview API Pricing & Quick Start

Name: GPT 4 Turbo Preview API
Brand: OpenAI

The preview GPT-4 model with improved instruction following, JSON mode, reproducible outputs, parallel function calling, and more. Training data: up to Dec 2023. **Note:** heavily rate limited by OpenAI while...

Pricing

Input Price

$10.0000

/ 1M tokens

NT$ 324

Output Price

$30.0000

/ 1M tokens

NT$ 972

Context Window

128K

tokens

💱 USD/NTD = 32.38 · before tax · updated 07/30/2026

Provider	OpenAI
Released	January 2024
Model ID	`openai/gpt-4-turbo-preview`

Technical specifications

Context window

128K tokens

Reasoning

Input

Text

Output

Text

Quick Start

Use GPT 4 Turbo Preview via BazaarLink API — just change the base_url:

Python

from openai import OpenAI

client = OpenAI(
    base_url="https://bazaarlink.ai/api/v1",
    api_key="sk-bl-YOUR_API_KEY",
)

response = client.chat.completions.create(
    model="openai/gpt-4-turbo-preview",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(response.choices[0].message.content)

TypeScript

import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://bazaarlink.ai/api/v1",
  apiKey: "sk-bl-YOUR_API_KEY",
});

const response = await client.chat.completions.create({
  model: "openai/gpt-4-turbo-preview",
  messages: [{ role: "user", content: "Hello!" }],
});
console.log(response.choices[0].message.content);

Why use GPT 4 Turbo Preview via BazaarLink?

✓USD billing (TWD-quoted) + unified invoices — no foreign credit card needed for Taiwan teams
✓OpenAI-compatible API — zero code changes required
✓Automatic failover — multi-provider redundancy for the same model
✓Chinese-language support — local team, instant help

Try Now ← All Models

Frequently Asked Questions

What is GPT 4 Turbo Preview?

How much does the GPT 4 Turbo Preview API cost?

GPT 4 Turbo Preview costs $10.0000 per 1M input tokens and $30.0000 per 1M output tokens when accessed through BazaarLink.

How do I use GPT 4 Turbo Preview with the OpenAI SDK?

Set base_url to "https://bazaarlink.ai/api/v1" and use model ID "openai/gpt-4-turbo-preview". All OpenAI SDK methods (chat.completions, embeddings, streaming) work without code changes.

What is the context window for GPT 4 Turbo Preview?

GPT 4 Turbo Preview supports a context window of 128,000 tokens.

Is GPT 4 Turbo Preview available for free?

GPT 4 Turbo Preview is a paid model. BazaarLink offers free trial credits on registration so you can test it without a credit card.

Relay integrity checks

No integrity-check data is available for this model yet.

BazaarLink Probe verifies endpoints that claim to serve this model and flags behavior that differs from the reference baseline.

View the full integrity report →