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GPT 5.4 Nano
gpt-5.4-nano Cursor 自定义模型请填：spt-5.4-nanoOpenAI GPT-5.4 nano。刊例 $0.20/$1.25 per 1M tokens。
API 端点
- 对话补全（chat.completions）
- openai
售价
Token 计费相对官方 1折
输入¥0.14/ 1M
输出¥0.875/ 1M
本 Tab 支持stream
model逻辑模型编码，来自已发布模型列表
GPT 5.4 Nano (gpt-5.4-nano)
stream是否 SSE 流式返回（仅 Chat）
false（一次性 JSON）
max_tokens生成 token 上限
user message对话用户消息 content
curl -X POST 'https://api.4stoken.cn/api/v1/chat/completions' \
-H 'Content-Type: application/json' \
-H 'Authorization: Bearer YOUR_API_KEY' \
--data-raw '{"model":"gpt-5.4-nano","messages":[{"role":"user","content":"Hello"}],"max_tokens":1024,"stream":false}'