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GPT 5.2 Codex

GPT-5.2-Codex is an upgraded version of GPT-5.1-Codex optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks....

Intelligence#52 / 563
40
Artificial Analysis Intelligence Index
Speed#106 / 576
125.9
Output tokens per second (median)
Input Price#481 / 576
$1.75NT$ 57
USD / 1M tokens
Output Price#514 / 576
$14.00NT$ 453
USD / 1M tokens
First-token latency#412 / 576
1.06s
Time to first token (AA median)
ProviderOpenAI
Released2026年1月
Model IDopenai/gpt-5.2-codex

Technical specifications

Context window
400K tokens
Reasoning
Yes
Input
TextImage
Output
Text

Pricing comparison

BazaarLink retail price alongside AA's observed market standard.

BazaarLink price our site

Input$1.75NT$ 57
Output$14.00NT$ 453
Cache read$0.17NT$ 6
Cache write
3:1 blended (est.)$4.81NT$ 156
All prices per 1M tokens. Supports TWD credit card / official invoice.

Market reference Artificial Analysis

Input$1.75
Output$14.00
Cache readAA not tracked
Cache writeAA not tracked
3:1 blended$4.81
✓ Matches market reference — BazaarLink does not mark up.
Source: artificialanalysis.ai

Independent benchmarks

Scores below come from Artificial Analysis, an independent third party. BazaarLink does not participate in the testing.

Intelligence 40
Coding
Math
MMLU
GPQA 90
This modelCategory leader
Overall intelligence
#52out of 563 models
Aggregated across academic benchmarks
Time to first token
#412out of 576 models
AA 全球 p50:1.06 秒
Intelligence
40
Top 9%
This model
40
Category leader
60
Median
15
GPQA
90%
This model
90%
Category leader
94%
Median
68%
HLE
34%
This model
34%
Category leader
53%
Median
7%
SciCode
55%
This model
55%
Category leader
60%
Median
33%
IFBench
78%
This model
78%
Category leader
83%
Median
44%
τ²-Bench Telecom
92%
This model
92%
Category leader
99%
Median
46%
AA-LCR
76%
This model
76%
Category leader
76%
Median
39%
Terminal-Bench Hard
37%
This model
37%
Category leader
66%
Median
14%

Top 5 — CodingCoding Index leaderboard

1GPT-5.6 Sol (xhigh)openai/gpt-5-6-sol-xhigh78$5 / $30
3GPT-5.6 Sol (high)openai/gpt-5-6-sol-high77$5 / $30
AASource: Artificial Analysis · Independent third-party evaluation; not influenced by BazaarLinkView full evaluation on AA →

Quick Start

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

Why use GPT 5.2 Codex 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 Codex?

GPT-5.2-Codex is an upgraded version of GPT-5.1-Codex optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks....

How much does the GPT 5.2 Codex API cost?

GPT 5.2 Codex costs $1.7500 per 1K input tokens and $14.0000 per 1K output tokens when accessed through BazaarLink.

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

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

What is the context window for GPT 5.2 Codex?

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

Is GPT 5.2 Codex available for free?

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

中轉站誠信檢測 · BazaarLink 獨家

已測試 endpoint
1
獨立 hosts
1
家族指紋一致率
100%
偵測到異常
0
資料範圍
過去 90

BazaarLink Probe 對聲稱提供此模型的 endpoint 進行家族指紋驗證與 V3 子模型對照。 如發現行為與真貨基準不符,會列入異常案例。

查看完整檢測報告 →

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