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Driving the Kition agent with GPT-5

GPT-5 is rock-solid on structured outputs and multi-step function calls. A great fit for OpenAI-native workflows.

Kition Team·Apr 27, 2026·5 min read

Setup cheat-sheet

  • Wire: responses
  • Common models: `gpt-5`, `gpt-5.1` based on availability
  • Structured outputs (JSON schema) are first-class
  • Hosted browsing tool may be available depending on your account

Tips

  • Strict JSON schema → great for AI Field columns
  • Multi-step function calls are very stable, perfect for chained tool tasks
  • Have the agent output a "plan JSON" in plan mode — more reliable than freeform text
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