Simplex FastCD / 决策 API

实验性 API · 限时免费

输入文字和图片,
获得结构化判断。

把问题、候选项和相关信息交给 FastCD,获得单选、多选、判断或评分结果,接入应用中的分类、路由和任务决策。

Choice

Choice

从 1–1024 个候选中选择,并查看所有候选的概率分布。

Multi-choice

Multi-choice

从最多 1024 个候选中选出多个相关选项,最多返回 256 项。

Reasoning

Reasoning

开启 reasoning,在结构化决策前进行推理,并设置推理 token 预算。

Multimodal

Multimodal

将上下文与最多 4 张图片结合,依据视觉信息作出决策。

Noul

Noul

针对当前状态的自然语言问题,获得“是”的概率。

Score

Score

根据 1–1024 个有序等级进行评估,返回从零开始的下标期望值。

一个请求,结构化答案

直接融入
你的应用。

使用 Bearer 鉴权与标准 JSON。响应包含答案、候选概率、原始 logits、基础模型与用量。置信度衡量候选分布的集中程度,并非经过校准的正确率保证。

{
  "model": "simplex-fastcd",
  "state": {
    "message": "I was charged twice for my subscription."
  },
  "questions": {
    "route": {
      "type": "choice",
      "instructions": "Choose the department best suited to help.",
      "criteria": {
        "billing": "Payments and invoices",
        "support": "Technical issues",
        "sales": "New purchases"
      }
    },
    "topics": {
      "type": "multi_choice",
      "instructions": "Select all relevant topics.",
      "criteria": {
        "billing": "Payment or invoices",
        "refund": "Reimbursement",
        "technical": "Technical errors"
      },
      "min_choices": 0,
      "max_choices": 2
    },
    "needs_refund": {
      "type": "noul",
      "instructions": "Does this message describe a potential duplicate charge?"
    },
    "urgency": {
      "type": "score",
      "instructions": "Assess how urgently this needs attention.",
      "criteria": [
        "low",
        "medium",
        "high"
      ]
    }
  },
  "reasoning_max_tokens": 128
}