Overview
Dynamic Workflows is a new Claude Code feature launched by Anthropic on May 28, 2026, alongside Claude Opus 4.8, with a HN score of 198. It upgrades Claude Code from 'a single AI working alone' to 'an AI orchestrating dozens to hundreds of AIs collaborating.'
The usage is simple: you input a sentence in Claude Code with the word 'workflow.' Instead of working alone, Claude first writes a scheduling script, then dispatches dozens or even hundreds of sub-agents to work in parallel and review each other, finally merging and delivering the results. This is an official native Multi-Agent solution for large-scale engineering tasks, similar in positioning to open-source Multi-Agent frameworks like OpenHands / SWE-Agent but with deeper integration.
Key Features
- One-command Multi-Agent Collaboration: No manual configuration needed; trigger by inputting an instruction with 'workflow,' and Claude plans the scheduling script itself
- Dozens to Hundreds of Sub-Agents in Parallel: Can run hundreds of sub-agents simultaneously, each handling a small task, with the main agent integrating results
- Cross-Agent Review: Supports agent mutual review and voting mechanisms, reducing single-point output errors and improving stability for large-scale projects
- Deep Integration with Opus 4.8: Relies on Opus 4.8's long context and stable output, allowing the main agent to handle large-scale codebase transformations reliably
- Full Observability: The Claude Code terminal displays progress, status, and logs for each sub-agent, allowing manual intervention or termination
Use Cases
- Large-scale code migration: refactoring / framework upgrades across hundreds of files
- Full repository test coverage improvement: dispatching dozens of agents to write tests in parallel
- Large PR review: each agent reviews a portion of code, then deliberates collectively
- Cross-service code synchronization: each agent handles one service
- Documentation generation: each agent writes documentation for one module, with the main agent merging and proofreading
Pros
- Makes Multi-Agent collaboration a native feature rather than an external plugin, with very low startup cost
- The mutual review mechanism significantly improves stability for large-scale tasks
- Leverages Opus 4.8, ensuring the main agent remains stable even with long contexts
- Full observability offers more control compared to black-box Multi-Agent frameworks
- For developers, it's a ready-to-use example of packaging 'Harness' engineering capabilities
Pricing
Requires Claude Code v2.1.154 or later. Available on all paid plans (including Pro, Max, and API accounts), and supports Amazon Bedrock, Google Cloud's Agent Platform, and Microsoft Foundry. Multi-agent parallelism significantly increases token consumption; running hundreds of sub-agents in one round may consume millions to tens of millions of tokens—heavy usage is recommended with API billing and Prompt Caching optimization. Pro users need to enable Dynamic Workflow in /config.
Summary
Dynamic Workflows is primarily aimed at developers and teams with truly large-scale engineering tasks—scenarios like framework migration, cross-repository transformation, and codebase-level refactoring. For daily small projects, a single agent is sufficient. Its real value lies in lowering Multi-Agent collaboration from an 'advanced technique' to a 'one-command native capability,' serving as Claude Code's direct response to competitors like Cursor / Devin in terms of Harness depth.