OpenAI: GPT-5.3 Codex
Chatopenai/gpt-5.3-codexGPT-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。
512K context window
128K max output tokens
Released: 2026-02-25
Protocols:OpenAIAnthropic
Capabilities:VisionFunction CallingReasoningPrompt CachingWeb SearchVideo InputAudio Input
PricingRate 0.15x
| Type | HaoAI Price | Official Reference | Rate |
|---|---|---|---|
| Input | $0.263/M | $1.75/M | 0.15x · 85% savings |
| Output | $2.1/M | $14/M | 0.15x · 85% savings |
| Cache read | $0.026/M | $0.175/M | 0.15x · 85% savings |
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)