Optimizing Cost and Latency with Amazon Bedrock Prompt Caching
In a post published by Daniel Abib, Specialist Solutions Architect for Generative AI at AWS, it is explained how Amazon Bedrock prompt caching reduces input token costs by up to 90 percent and improves time-to-first-token (TTFT) when repeatedly sending identical context to foundation models. Using the Converse API with a uniform cachePoint syntax across model families like Anthropic Claude and Amazon Nova, developers can cache message content, system prompts, and tool definitions. The guide details pricing, token thresholds, mixed TTL ordering, and SHA-256 tenant isolation for multi-tenant applications.
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