Anthropic Claude Opus 4.5 20251101 parameters

{
  "$schema": "https://modelparams.dev/api/v1/schema.json",
  "provider": "anthropic",
  "authType": "api_key",
  "model": "claude-opus-4-5-20251101",
  "params": [
    {
      "path": "max_tokens",
      "label": "Max tokens",
      "description": "Maximum number of output tokens the model may generate.",
      "group": "generation_length",
      "type": "integer",
      "default": 4096,
      "range": {
        "min": 1
      }
    },
    {
      "path": "temperature",
      "label": "Temperature",
      "description": "Controls randomness. Lower values make outputs more focused; higher values make them more varied.",
      "group": "sampling",
      "applicability": {
        "except": [
          {
            "thinking.type": [
              "enabled"
            ]
          },
          {
            "top_p": {
              "not": null
            }
          }
        ]
      },
      "type": "number",
      "default": 1,
      "range": {
        "min": 0,
        "max": 1,
        "step": 0.1
      }
    },
    {
      "path": "top_p",
      "label": "Top P",
      "description": "Controls nucleus sampling by limiting generation to tokens whose cumulative probability reaches this value.",
      "group": "sampling",
      "applicability": {
        "except": [
          {
            "thinking.type": [
              "enabled"
            ]
          },
          {
            "temperature": {
              "not": null
            }
          }
        ]
      },
      "type": "number",
      "default": 1,
      "range": {
        "min": 0,
        "max": 1,
        "step": 0.01
      }
    },
    {
      "path": "top_k",
      "label": "Top K",
      "description": "Limits token sampling to the top K most likely next tokens.",
      "group": "sampling",
      "applicability": {
        "except": {
          "thinking.type": [
            "enabled"
          ]
        }
      },
      "type": "integer",
      "default": 0,
      "range": {
        "min": 0
      }
    },
    {
      "path": "thinking.type",
      "label": "Thinking mode",
      "description": "Controls the Anthropic thinking mode values supported by this model.",
      "group": "reasoning",
      "type": "enum",
      "default": "disabled",
      "values": [
        "disabled",
        "enabled"
      ]
    },
    {
      "path": "thinking.budget_tokens",
      "label": "Budget tokens",
      "description": "Maximum token budget Anthropic may use for extended thinking before producing the final answer.",
      "group": "reasoning",
      "applicability": {
        "only": {
          "thinking.type": "enabled"
        }
      },
      "type": "integer",
      "default": 4096,
      "range": {
        "min": 1024
      }
    },
    {
      "path": "thinking.display",
      "label": "Thinking display",
      "description": "Controls whether Anthropic returns summarized or omitted thinking content.",
      "group": "reasoning",
      "applicability": {
        "only": {
          "thinking.type": [
            "enabled"
          ]
        }
      },
      "type": "enum",
      "default": "summarized",
      "values": [
        "summarized",
        "omitted"
      ]
    },
    {
      "path": "output_config.effort",
      "label": "Effort",
      "description": "Controls Anthropic response thoroughness and token spend.",
      "group": "reasoning",
      "type": "enum",
      "default": "high",
      "values": [
        "low",
        "medium",
        "high"
      ]
    }
  ]
}