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OpenAI

OpenAI provides developer APIs for GPT models. Codex supports ChatGPT sign-in for subscription access or API key sign-in for usage-based access. Codex cloud requires ChatGPT sign-in.

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Option A: OpenAI API key (OpenAI Platform)

Best for: direct API access and usage-based billing. Get your API key from the OpenAI dashboard.

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CLI setup

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

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Config snippet

{
  env: { OPENAI_API_KEY: "sk-..." },
  agents: { defaults: { model: { primary: "openai/gpt-5.2" } } }
}

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Option B: OpenAI Code (Codex) subscription

Best for: using ChatGPT/Codex subscription access instead of an API key. Codex cloud requires ChatGPT sign-in, while the Codex CLI supports ChatGPT or API key sign-in.

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CLI setup

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

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

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Config snippet

{
  agents: { defaults: { model: { primary: "openai-codex/gpt-5.2" } } }
}

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Notes