Amazon Bedrock now supports a 1-hour time-to-live (TTL) option for prompt caching for select Anthropic Claude models. With this update, you can extend the persistence of cached prompt prefixes from the default 5 minutes to 1 hour, improving cost efficiency and performance for long-running agentic workflows and multi-turn conversations.
Previously, cached content remained active for a fixed 5-minute window and refreshed when reused. With the new 1-hour TTL option, you can maintain context for users who interact less frequently, or for complex agents that require more time between steps—such as tool use, retrieval, and orchestration. The 1-hour TTL is also useful for longer sessions and batch processing where you want cached content to persist across extended periods.
1-hour TTL prompt caching is generally available for Anthropic’s Claude Sonnet 4.5, Claude Haiku 4.5, and Claude Opus 4.5 in all commercial AWS Regions and AWS GovCloud (US) Regions where these models are available. The 1-hour cache is billed at a different rate than the standard 5-minute cache. To learn more, refer to the Amazon Bedrock documentation and Amazon Bedrock Pricing page.
Categories: general:products/amazon-bedrock,marketing:marchitecture/artificial-intelligence
Source: Amazon Web Services
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