OpenAI Codex

AI

Config

install

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npm install -g @openai/codex

config ~/.codex/config.toml

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model_provider = "xxx"
model = "gpt-5"
# high medium low minimal
model_reasoning_effort = "high"
disable_response_storage = true

# config provider 
[model_providers.xxx]
name = "xxx"
base_url = "xxx"
wire_api = "responses"
requires_openai_auth = true

~/.codex/auth.json

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{
  "OPENAI_API_KEY": "your API Key"
}

bootstrap

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codex 
or
codex -m gpt-5-codex