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The new AgentCore runtime: Elastic, optimized, and consistently fast starts

calendar_today September 18, 2026 person Evandro Franco domain amazon-lex

Today we are announcing the new AgentCore runtime, a capability of Amazon Bedrock AgentCore built for the speed, flexibility, and cost efficiency that production agents demand. It reclaims memory as sessions release it and delivers consistent cold starts regardless of image size or concurrency.

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