--- format: "aidr-story-markdown/v1" id: "e2cc67e2ab197d0765423cdaa6f903b4f607c85909a61aff5438e3108ca5f0f7" canonical_url: "https://aidr.today/e2cc67e2?lang=en" title: "The new AgentCore runtime: Elastic, optimized, and consistently fast starts" lang: "en" requested_lang: "en" available_langs: ["en","vi"] translation_fallback: null fallback_fields: [] published_at: "2026-09-18T15:31:34.000Z" category: "Infra" topics: ["amazon","bedrock","agent-orchestration","runtime","cloud","anthropic","agent","security"] source_urls: ["https://aws.amazon.com/blogs/machine-learning/the-new-agentcore-runtime-elastic-optimized-and-consistently-fast-starts/","https://huggingnews.com/cybersecurity/plugin4shell-zero-click-rce-hits-4-ai-agents-in-first-ai-supply-chain-fl-dd4782ce","https://marketbrief.now/cybersecurity/plugin4shell-zero-click-rce-hits-4-ai-agents-in-first-ai-supply-chain-fl-dd4782ce"] summary: "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." --- # The new AgentCore runtime: Elastic, optimized, and consistently fast starts > [Open the canonical story]() **Published:** 2026-09-18T15:31:34.000Z **Category:** Infra **Topics:** amazon, bedrock, agent\-orchestration, runtime, cloud, anthropic, agent, security ## Summary 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\. ## Sources - [Story source]() - [Story source]() - [Story source]()