OpenAI
GPT-5.4 Mini
OpenAI GPT-5.4 轻量版本，兼顾成本、质量与缓存支持，可用于 API 与 Codex 工作流
模型类型轻量级大语言模型
特色能力平衡成本与质量，适合通用开发、自动化与日常推理
缓存支持支持缓存命中计费（Cached Input）
定价与规格
💰 定价
输入$0.75 / M tokens
输出$4.5 / M tokens
缓存命中$0.075 / M tokens
⚙️ 规格
模型类型轻量级大语言模型
特色能力平衡成本与质量，适合通用开发、自动化与日常推理
缓存支持支持缓存命中计费（Cached Input）
可用方式API、Codex
API 调用示例
Python (OpenAI SDK)
from openai import OpenAI
client = OpenAI(
api_key="your-api-key",
base_url="https://api.xairouter.com/v1"
)
response = client.chat.completions.create(
model="gpt-5.4-mini",
messages=[
{"role": "user", "content": "请帮我总结这段需求并拆成开发任务"}
]
)
print(response.choices[0].message.content)cURL (OpenAI API)
curl https://api.xairouter.com/v1/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer YOUR_API_KEY" \
-d '{
"model": "gpt-5.4-mini",
"messages": [
{"role": "user", "content": "请帮我总结这段需求并拆成开发任务"}
]
}'开发者辅助
# 配置 ~/.codex/config.toml
cat > ~/.codex/config.toml << 'EOF'
model_provider = "xai"
model = "gpt-5.4-mini"
model_reasoning_effort = "xhigh"
plan_mode_reasoning_effort = "xhigh"
model_reasoning_summary = "detailed"
model_verbosity = "high"
approval_policy = "never"
sandbox_mode = "danger-full-access"
[model_providers.xai]
name = "xai"
base_url = "https://api.xairouter.com"
wire_api = "responses"
requires_openai_auth = false
env_key = "XAI_API_KEY"
EOF
# 设置环境变量 (添加到 ~/.bashrc 或 ~/.zshrc)
export XAI_API_KEY="sk-Xvs..."
# 启动 Codex
codex