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Manhours are Opus’s unit of measurement for usage. They represent the work your jobs do. You’re only charged when a job completes successfully—failed jobs don’t cost anything.

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How Manhours Work

Estimates are always worst-case. Your actual charge is often lower.

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When You’re Charged

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Jobs

You’re only charged when a job completes successfully:
If a job fails, you don’t pay—so you can retry without worrying about double charges.

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Builder Activities

Manhours are also consumed when:
  • Running previews in the Builder to test your workflows
  • Using Prompt to Workflow to generate workflows from natural language
  • Using Opus AI Assist to edit and modify workflows in the Builder

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Viewing Your Usage

Every charge is logged with full details:
  • When it happened
  • Which workflow and workspace
  • How many Manhours were used
  • Your remaining balance
  • Who ran the job
Find this log in Organization settings → Plan & Usage → Usage.

Jobs

Learn how to run workflows and track results.

Organization

Manage Manhour allocation across your organization.