Agents are no longer experiments. They process claims, write and review code, coordinate across systems, and run for hours without supervision. As agents take on more complex, longer-running work, the infrastructure underneath them must evolve just as fast.

We built Amazon Bedrock AgentCore to help developers build, connect, and optimize agents securely at scale. AgentCore runtime, a capability of Amazon Bedrock AgentCore, is the managed compute layer that gives developers a fully managed environment to deploy and run agents without building or maintaining infrastructure.

Since launch, thousands of teams have used it to run production agents. Every conversation with those teams teaches us something about what agents need next: faster responsiveness as workloads scale, finer control over resource allocation, and economics that track actual usage precisely.

Today, we are announcing the new AgentCore runtime, purpose-built for the speed, flexibility, and cost efficiency that production agents demand.

It brings better memory management, reclaiming memory as a session releases it instead of holding it at the peak. It also delivers consistent cold start times regardless of container size or agent concurrency. You get the serverless model you already liked, now more elastic. Memory is released back the instant a session ends, startup times stay consistent regardless of size or concurrency, and the bill tracks the work your agent does.

Many agents started as chat bots: you asked, it answered, and the exchange ended in seconds. Then came coding agents that work for minutes to hours, holding context across many steps, running while you watch or step away.

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