Documentation 2026-07-15 16:58 UTC to 2026-07-16 17:00 UTC

7| [Set up `reasoning.effort`](#set-up-reasoningeffort) | Quality, cost, latency |7| [Set up `reasoning.effort`](#set-up-reasoningeffort) | Quality, cost, latency |

8| [Set up `text.verbosity`](#set-up-textverbosity) | Quality, cost, latency |8| [Set up `text.verbosity`](#set-up-textverbosity) | Quality, cost, latency |

9| [Set up the assistant `phase` parameter](#set-up-the-assistant-phase-parameter) | Quality, cost |9| [Set up the assistant `phase` parameter](#set-up-the-assistant-phase-parameter) | Quality, cost |

10| [Use `tool_search`](#use-tool_search) | Cost, latency |10| [Use `tool_search`](#use-toolsearch) | Cost, latency |

11| [Use Programmatic Tool Calling](#use-programmatic-tool-calling) | Quality, cost, latency |11| [Use Programmatic Tool Calling](#use-programmatic-tool-calling) | Quality, cost, latency |

12| [Use Multi-agent for parallel work](#use-multi-agent-for-parallel-work) | Quality, cost, latency |12| [Use Multi-agent for parallel work](#use-multi-agent-for-parallel-work) | Quality, cost, latency |

13| [Leverage built-in tools](#leverage-built-in-tools) | Quality |13| [Leverage built-in tools](#leverage-built-in-tools) | Quality |

14| [Leverage compaction](#leverage-compaction) | Cost |14| [Leverage compaction](#leverage-compaction) | Cost |

15| [Use `prompt_cache_key`](#use-prompt_cache_key) | Latency, cost |15| [Use `prompt_cache_key`](#use-promptcachekey) | Latency, cost |

16| [Use `reasoning.encrypted_content`](#use-reasoningencrypted_content) | Quality, latency |16| [Use `reasoning.encrypted_content`](#use-reasoningencryptedcontent) | Quality, latency |

17| [Set image detail intentionally](#set-image-detail-intentionally) | Quality, cost, latency |17| [Set image detail intentionally](#set-image-detail-intentionally) | Quality, cost, latency |

18| [Send a safety identifier](#send-a-safety-identifier) | Safety, reliability |18| [Send a safety identifier](#send-a-safety-identifier) | Safety, reliability |

19| [Use `background=True`](#use-backgroundtrue) | Resumability |19| [Use `background=True`](#use-backgroundtrue) | Resumability |