Claude Fable 5.1

适用于高要求的推理和长周期智能体工作。

Anthropicclaude-fable-5-12026-09-01报告数据错误

规格

上下文: 1M
最大输出: 128K
输入价: $10/ 百万 Token
输出价: $50/ 百万 Token
发布日期: 2026-09-01

上下文

上下文: 1M
最大输入: 1M
最大输出: 128K

价格 · USD / 百万 Token

输入: $10
输出: $50
缓存读取: $0.25
缓存写入: $12.5

输入输出

输入: 文本图像文档
输出: 文本

API

接口类型: messagesbatch

思考

支持思考: 支持
思考等级: lowmediumhighxhighmax

源信息

状态: 可用
发布日期: 2026-09-01
知识截止: 2026-06

能力

已确认: toolsstructured_outputstreamingcachingbatch

调用方式

anthropicmodel = claude-fable-5-1reasoning = output_config.effort

messages

POSThttps://api.anthropic.com/v1/messages

batch

POSThttps://api.anthropic.com/v1/messages/batches

JSON

claude-fable-5-1.json

{
  "id": "claude-fable-5-1",
  "object": "model",
  "created": 1788220800,
  "owned_by": "anthropic",
  "name": "Claude Fable 5.1",
  "api": {
    "types": [
      "messages",
      "batch"
    ]
  },
  "limits": {
    "context": 1000000,
    "input": 1000000,
    "output": 128000
  },
  "modalities": {
    "input": [
      "text",
      "image",
      "document"
    ],
    "output": [
      "text"
    ]
  },
  "reasoning": {
    "supported": true,
    "efforts": [
      "low",
      "medium",
      "high",
      "xhigh",
      "max"
    ]
  },
  "pricing": {
    "currency": "USD",
    "unit": "1M_tokens",
    "input": 10,
    "output": 50,
    "cache_read": 0.25,
    "cache_write": 12.5
  },
  "features": [
    "tools",
    "structured_output",
    "streaming",
    "caching",
    "batch"
  ],
  "info": {
    "status": "active",
    "release_date": "2026-09-01",
    "knowledge_cutoff": "2026-06",
    "description": "For demanding reasoning and long-horizon agentic work.",
    "docs": "https://platform.claude.com/docs/en/models/fable-5-1/overview",
    "verified_at": "2026-10-10"
  }
}

官方来源