name: A name for the assistant, unique within the project.instructions: A directive the assistant applies to every response it gives.metadata: Optional key-value pairs, up to 16 KB, that help you organize assistants.region: Where the assistant is deployed,us(default) oreu. You can’t change it later.
Initializing. To find out when it’s ready, get the status of the assistant.
Instructions (maximum size 16 KB) are included in every chat API call. Longer instructions increase input token costs for each request and consume more of the LLM’s context window, reducing available space for retrieved context and conversation history.