GPT-5.3 Codex 是 OpenAI 面向代理式编码的高能力模型，结合 GPT-5.2 Codex 的软件工程能力和更广泛的推理、专业知识能力，适合多语言编码、终端任务和真实计算机使用场景。
272K context window
128K max output tokens
Released: 2026-02-25
Protocols:OpenAI
Capabilities:VisionFunction CallingReasoningPrompt CachingWeb SearchVideo InputAudio Input
Pricing
PriceRate 0.15x
HaoAI
Official
Input
$0.263/M
$1.75/M
Output
$2.1/M
$14/M
Cache read
$0.026/M
$0.175/M
Code Examples
from openai import OpenAI
client = OpenAI(
base_url="https://api.hao.ai/v1",
api_key="YOUR_HAOAI_API_KEY",
)
response = client.chat.completions.create(
model="openai/gpt-5.3-codex",
messages=[
{"role": "user", "content": "Hello!"}
],
)
print(response.choices[0].message.content)Related Models
Frequently asked questions
HaoAI bills based on actual request usage. Input, output, cache, and any other applicable rates follow the live pricing table on this page. Final request costs are available in the console.