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- Models API: Query available models, validate model IDs, and resolve model aliases to their canonical model IDs.
- Message Batches API: Process large batches of messages asynchronously at 50% of the standard API cost.
- Token counting API: Calculate token counts for Messages before sending them to Claude.
- Prompt Caching: Reduce costs by up to 90% and latency by up to 80% by caching and reusing prompt content.
- PDF support: Process PDFs to analyze both text and visual content within documents.