GPT-5.6 Sol Ultra used 129 subagents for one 10-hour run

A Ultra run used 129 over about 10 hours. Ultra is designed to divide work among many , but the amount of and code changes appeared excessive for the size of this task.

In this experience, the run felt less efficient than using a more focused model or . The exact task, outcome, cost, and direct comparison results were not provided.

Key points

  • The run used 129 .
  • It continued for about 10 hours.
  • The and code changes seemed too large for the task.
  • A focused model or may have been more efficient.
  • No cost, success result, or controlled comparison was included.
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