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How do I choose a SuperCosmos tier in the Agent API?

How-toUpdated

Every Agent API run thinks with SuperCosmos. Set tier when you create a run:

{ "input": "Add tests for utils.py", "tier": "max" }
tierBehaviourBilled as
auto (default)Cosmos routes each stepFlash
flashFastest; no extended thinkingFlash
maxThinks before actingMax
heavyThinks longestHeavy

Runs also pay for computer time, actions, browser time and storage writes. See Choose a tier.

Good to know#

  • Line Code was retired on Nov 1, 2026; its ids answer 410 model_retired. Line Code retirement
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  • Insulting or cursing at the assistant earns a warning, then a 24-hour pause on a second strike within 30 days. Abuse policy

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