Amazon Web Services has introduced runtime instances in the Bedrock AgentCore news blog, adding a second compute option that runs agents on managed Amazon EC2 in a customer account while keeping the existing AgentCore APIs, identity and observability model. The feature is aimed at teams whose agents no longer fit neatly into the eight hour microVM ceiling that AgentCore launched with, based on serverless microVM based sessions.
In the announcement, principal developer advocate Sebastien Stormacq explains that runtime instances give agents persistent EC2-backed sessions that can run for up to fourteen days, with shared file systems, GPU accelerated instance types, and support for Python and container images. Multiple agents can be deployed into a single runtime and collaborate on the same host through a shared session directory, rather than calling each others APIs for every handoff. Stormacq notes that teams can bring frameworks such as CrewAI, LangGraph, LlamaIndex and…
https://www.infoq.com/news/2026/08/aws-bedrock-agentcore-runtime/


