Codex

Recommended: use cc-switch for setup: https://github.com/farion1231/cc-switch/releases

It still modifies Codex's official config and environment variables.

Use cc-switch first. Manual config is only the fallback path.

Otherwise configure ~/.codex/config.toml manually.

model_provider = "codex_proxy"
model = "gpt-5-codex-mini"
model_reasoning_effort = "high"

[model_providers.codex_proxy]
name = "Codex Proxy"
base_url = "https://codex.miaomiaocode.com/v1"
env_key = "OPENAI_API_KEY"
requires_openai_auth = true
wire_api = "responses"