Amazon Bedrock now supports 1-hour duration for prompt caching
News
This article announces that Amazon Bedrock now supports 1-hour time-to-live (TTL) for prompt caching with select Anthropic Claude models.
- Extends cached prompt persistence from 5 minutes to 1 hour
- Improves cost efficiency and performance for long-running agentic workflows
- Maintains context for infrequent user interactions and complex agents
- Useful for longer sessions and batch processing scenarios
- Available for Claude Sonnet 4.5, Haiku 4.5, and Opus 4.5 models
- Supported across all commercial AWS Regions and GovCloud (US)
- 1-hour cache billed at different rate than standard 5-minute cache
In summary, Amazon Bedrock's extended 1-hour prompt caching improves efficiency for long-running workflows and multi-turn conversations while reducing costs.
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