openclaw onboard --auth-choice openai-api-key
# or non-interactive
openclaw onboard --openai-api-key "$OPENAI_API_KEY"

{
  env: { OPENAI_API_KEY: "sk-..." },
  agents: { defaults: { model: { primary: "openai/gpt-5.1-codex" } } },
}

# Run Codex OAuth in the wizard
openclaw onboard --auth-choice openai-codex

# Or run OAuth directly
openclaw models auth login --provider openai-codex

{
  agents: { defaults: { model: { primary: "openai-codex/gpt-5.3-codex" } } },
}