Anthropic Claude Fable 5 (subscription) parameters

{
  "$schema": "https://modelparams.dev/api/v1/schema.json",
  "provider": "anthropic",
  "authType": "subscription",
  "model": "claude-fable-5",
  "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": "thinking.type",
      "label": "Thinking mode",
      "description": "Only adaptive thinking is supported; omit the parameter entirely to run without thinking (an explicit disabled value is rejected).",
      "group": "reasoning",
      "type": "enum",
      "values": [
        "adaptive"
      ]
    },
    {
      "path": "thinking.display",
      "label": "Thinking display",
      "description": "Controls whether Anthropic returns summarized or omitted thinking content.",
      "group": "reasoning",
      "applicability": {
        "only": {
          "thinking.type": [
            "adaptive"
          ]
        }
      },
      "type": "enum",
      "default": "omitted",
      "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",
        "xhigh",
        "max"
      ]
    }
  ]
}