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Who bills the engine’s calls beyond the model’s tokens: openrouter (the pricing rows, from the caller’s credits), provider (a per-call tool fee from the model’s provider on the inference call, at its own rates), byok (the engine’s vendor, against the caller’s own key), or none (no charge)

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Example Usage

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Values

This is an open enum. Unrecognized values will not fail type checks.
  • "openrouter"
  • "provider"
  • "byok"
  • "none"