xAI released Grok 4.20 and Grok 4.20 Multi-agent capabilities for developers.

Multi-agent support moves coordination logic from the application layer into the model provider stack.

Native multi-agent orchestration reduces the need for external frameworks when building complex, multi-step workflows.

• Jun 06, 2026Anthropic updated prompt caching to automatically read from the longest previously cached prefix when breakpoints are set.
• Jun 06, 2026Anthropic optimized prompt caching support in the Message Batches API to improve cache hit rates.
• Jun 06, 2026Anthropic added a delete endpoint to the Message Batches API for managing batch processing tasks.

This is the world we build in. It moves this fast. We move with it.