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接入 Codex
安装完成 Codex 之后,先设置环境变量:
bash
export ZAIWEN_API_KEY="你的在问APIKEY"
# 临时生效,若想长期有效,可将命令写入 ~/.bashrc然后打开 ~/.codex/config.toml 配置文件,不存在则创建,写入以下内容:

toml
model_provider = "zaiwen"
model = "gpt-5.1"
[model_providers.zaiwen]
name = "在问"
base_url = "https://oneapi.zaiwenai.com/v1"
env_key = "ZAIWEN_API_KEY"
wire_api = "chat"
query_params = {}
request_max_retries = 4
stream_max_retries = 10
[profiles.zaiwen]
model_provider = "zaiwen"
model = "gpt-5.1"
approval_policy = "on-request"
sandbox_mode = "workspace-write"说明
base_url指向在问 OneAPI 根路径env_key填环境变量名,不是具体的 key 值wire_api = "chat"表示走/v1/chat/completions兼容协议