GPT 5.2 Pro API Pricing & Quick Start

Name: GPT 5.2 Pro API
Brand: OpenAI

GPT-5.2 Pro is OpenAI’s most advanced model, offering major improvements in agentic coding and long context performance over GPT-5 Pro. It is optimized for complex tasks that require step-by-step reasoning,...

Pricing

Input Price

$21.0000

/ 1M tokens

NT$ 680

Output Price

$168.0000

/ 1M tokens

NT$ 5440

Context Window

400K

tokens

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

Provider	OpenAI
Released	December 2025
Model ID	`openai/gpt-5.2-pro`

Technical specifications

Context window

400K tokens

Reasoning

Yes

Input

ImageTextFile

Output

Text

Quick Start

Use GPT 5.2 Pro 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-5.2-pro",
    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-5.2-pro",
  messages: [{ role: "user", content: "Hello!" }],
});
console.log(response.choices[0].message.content);

Why use GPT 5.2 Pro 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 5.2 Pro?

How much does the GPT 5.2 Pro API cost?

GPT 5.2 Pro costs $21.0000 per 1M input tokens and $168.0000 per 1M output tokens when accessed through BazaarLink.

How do I use GPT 5.2 Pro with the OpenAI SDK?

Set base_url to "https://bazaarlink.ai/api/v1" and use model ID "openai/gpt-5.2-pro". All OpenAI SDK methods (chat.completions, embeddings, streaming) work without code changes.

What is the context window for GPT 5.2 Pro?

GPT 5.2 Pro supports a context window of 400,000 tokens.

Is GPT 5.2 Pro available for free?

GPT 5.2 Pro is a paid model. BazaarLink offers free trial credits on registration so you can test it without a credit card.

Relay integrity checks

Tested endpoints: 1 runs
Independent hosts: 1
Model-family fingerprint match: 100%
Anomalies detected: 1 runs
Data range: past 90 days

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

View the full integrity report →