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October 2, 2025 · Cerebras

Strict tool calling with constrained decoding, and higher JSON Schema limits

  • Tool calling with strict: true (constrained decoding)
  • Response format with json_schema when using strict=true
  • Response format with json_object when using strict=true
  • tool_choice: none
  • Updated JSON Schema limitations:
    • Nested levels increases from 5 to 10
    • Max properties increases from 100 to 500
    • Enabled maximum, minimum, multipleOf fields
    • required no longer needs to specify all properties
    • anyOf is no longer limited to 5 properties
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