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Multi Agent Collaboration Gets Persistent Compute in Bedrock AgentCore
AWS has officially announced the addition of persistent compute options in its Bedrock AgentCore, allowing agents to run on managed EC2 instances for up to fourteen days. This upgrade is targeted at teams needing longer runtimes that exceed the previous eight-hour limitation of microVMs. The new runtime instances will facilitate multi-agent collaboration by allowing several agents to share a common directory, improving their efficiency and reducing the need for frequent API calls between them. The launch signifies a strategic move to supplement the existing serverless microVM environment, offering developers flexibility in choosing between quick burst workloads on microVMs and long-running, GPU-accelerated tasks on the new runtime instances. AWS's approach presents a cost-effective solution, encouraging organizations to leverage both flexible runtime types based on their workload characteristics while also ensuring simplicity in deployment and management.
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Published 19 Aug 2026, 08:00 UTC6 min read
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Summary
TL;DR
- Introduction of EC2-backed runtime instances in AWS Bedrock AgentCore
- Agents can now run for up to fourteen days with persistent sessions
- Supports shared file systems and GPU-accelerated instance types
- Helps in multi-agent collaboration with reduced API overhead
- Encourages a mixed approach using both microVMs and runtime instances
Interesting facts
- Runtime instances allow teams to efficiently share resources among multiple agents.
- The feature is aimed at workloads needing extended execution times beyond previous limitations.
- Financial analysis indicates potential cost benefits for certain usage patterns.