Anthropic added PDF support for all Claude 3.5 Sonnet models.

Native document processing reduces the need for external extraction tools and custom parsing logic.

This update brings Sonnet in line with multimodal competitors and simplifies the ingestion of unstructured data for agentic 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.