The ID of the assistant to use to execute this run.

Override the default system message of the assistant. This is useful for modifying the behavior on a per-run basis.

Set of 16 key-value pairs that can be attached to an object. This can be useful for storing additional information about the object in a structured format. Keys can be a maximum of 64 characters long and values can be a maxium of 512 characters long.

The ID of the Model to be used to execute this run. If a value is provided here, it will override the model associated with the assistant. If not, the model associated with the assistant will be used.

If true, returns a stream of events that happen during the Run as server-sent events, terminating when the Run enters a terminal state with a data: [DONE] message.

If no thread is provided, an empty thread will be created.

Override the tools the assistant can use for this run. This is useful for modifying the behavior on a per-run basis.