Anthropic TypeScript SDK 0.135.0

Features

• api: add between_tools to thinking types in model capabilities
• api: add the speed parameter and usage.speed to Messages
• api: return a Console organization's usage-tier spend cap as a read-only spend limit

Bug Fixes

• client: close streams dropped without being read to the end
• client: keep an unread JSONL response open while it is held

Chores

• ci: speed up breaking change detection
• docs: describe headers on Managed Agents and telemetry endpoints

Documentation

• api: note that some models need a beta header to use speed