[Bug] Parallel agent spawning causes excessive token consumption before crashing or hitting limits

Open 💬 5 comments Opened Jun 11, 2026 by DrAlexHarrison

Bug Description
Claude spawned 10 agents who did a bunch of reads then crashed, costing me a few million tokens of usage.

Minutes before, Claude spawned 15 agents to accomplish something that could have been done by 1-2 agents, and probably with higher quality using a fewer-agent approach.

Claude Fable 5 defaults to spawning far too many agents at once even for Claude Max 20x users. I have two Claude Max 20x accounts and would gladly pay $500 or $1000 for a single consolidated Claude Ultra 100x or 200x account as long as Fable 5 is fully included.

Environment Info

  • Platform: linux
  • Terminal: kitty
  • Version: 2.1.173
  • Feedback ID: 6dff32ef-89aa-4a26-9d40-87ae410318b8

Errors

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