Claude Managed Agents public beta orchestrates plans across up to 1,000 agents in phases

CurieuxExplorer · x · 2026-10-12

Anthropic has released dynamic workflows for Claude Managed Agents in public beta, a new multiagent orchestration type for ambitious workloads.

How it works: a lead agent writes a plan that runs across many agents in phases, combining results at the end—scaling to up to 1,000 agents.

Benchmarks from the reposter: on a 116k-line codebase with 70 planted bugs, a single agent found 14–27 bugs, while the workflow found 66 on every run.

To try it, set multiagent type to multiagent20261001. The author warns it burns tokens—start scoped.

Related event: Anthropic Opens Claude Managed Agents Beta and Details Architecture and Practice(5 posts)→

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