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The Deploy Log | Models and APIs

AgentCore runtime

The new AgentCore runtime delivers a P75 cold start latency of about 2 seconds from a 200 MB image to 2 GB, while the original runtime rose from roughly 5.4 seconds to nearly 30 seconds.

Amazon Web Services | In Edition 52, Saturday 19 Sep 2026

SOURCE Amazon Web Services, The new AgentCore runtime: Elastic, optimized, and consistently fast starts

Added to The Deploy Log Saturday 19 Sep 2026. Read Edition 52, the edition that carried it.

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