Contents

contextSize

The maximum context size in tokens that the model supports.

Declaration

@backDeployed(before: iOS 26.4, macOS 26.4, visionOS 26.4)
final var contextSize: Int { get }

Mentioned in

Return Value

The context size, in tokens.

Discussion

The context size represents the total number of tokens that can be used in a single session, including both input prompts and generated responses.

See Also

Inspecting model capabilities