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Released: September 21, 2026 create now accepts an optional effort parameter: low, medium, high, or max. It sets a ceiling on how much research depth a run applies, and affects price. Omit it and a run executes at medium.

Highlights

  • Four levels — low, medium, high, max. Omitted requests default to medium.
  • A ceiling, not a guarantee — Effort bounds how far a run can go; a straightforward question can still finish just as fast at max as at low.
  • Validated up front — An unrecognized value is rejected with INVALID_EFFORT before the run starts, not partway through.

Quick Start

Concepts

Effort levels, the run lifecycle, and output shapes

Reference

Full request fields and error codes