返回模型列表购买套餐
OpenAI
GPT-5.3-Codex
GPT-5.3-Codex is OpenAI's most advanced agentic coding model, combining frontier software engineering with long-running autonomous coding workflows.
快速参数
上下文
400K
最大输出
128K
出品方
OpenAI
规格数
2
模态
输入 text输入 image输入 file输出 text
规格与刊例价（每百万 tokens）
高质量
输入 $1.75输出 $14缓存写入 $0.175
高性价比
输入 $0.875输出 $7缓存写入 $0.0875
推荐套餐
GPT-5.3-Codex 体验套餐
充值即用，按量计费；新用户享 $1 体验额度。
API 接入
Model ID
openai/gpt-5.3-codexcURL
curl https://intertoken.ai/v1/chat/completions \
-H "Authorization: Bearer $TOKENPORTAL_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "openai/gpt-5.3-codex",
"messages": [{"role": "user", "content": "Hello!"}]
}'Python (openai SDK)
from openai import OpenAI
client = OpenAI(
base_url="https://intertoken.ai/v1",
api_key="$TOKENPORTAL_API_KEY",
)
resp = client.chat.completions.create(
model="openai/gpt-5.3-codex",
messages=[{"role": "user", "content": "Hello!"}],
)
print(resp.choices[0].message.content)