{
  "slug": "clef",
  "name": "Clef (Cloudflare)",
  "kind": "decision-model",
  "tags": [
    "decision-model",
    "open-weights",
    "jev-compatible",
    "cloudflare",
    "workers-ai",
    "clef"
  ],
  "links": [
    {
      "label": "Weights",
      "url": "https://huggingface.co/Cloudflare/clef"
    },
    {
      "label": "Workers AI docs",
      "url": "https://developers.cloudflare.com/workers-ai/models/clef/"
    }
  ],
  "url": "https://blog.cloudflare.com/clef-decision-models/",
  "launched": "2026-10-01",
  "description": "Cloudflare's open decision models Clef and Clef-flash (Clef-omni adds audio and video), hosted on Workers AI and released as Apache-2.0 weights. Drop-in compatible with Jev's System One API; Cloudflare reports Clef 2.5x and Clef-flash 13x faster than Jev at the median. Clef-flash costs $0.038 per 1M input tokens.",
  "access": "api",
  "pricing": "paid",
  "priceIn": 0.038,
  "priceOut": 0,
  "specSource": "Cloudflare Workers AI changelog (Clef-flash)",
  "rivals": [
    "jev",
    "laya",
    "kev",
    "pplx-decider",
    "openai-decisions-api",
    "liquid-d1",
    "microsoft-decision-1",
    "fastino-glide"
  ],
  "kinds": [
    "decision-model"
  ],
  "facets": {
    "maker": "Cloudflare",
    "open": "open-weights",
    "delivery": [
      "hosted-api",
      "self-host"
    ],
    "jevApi": "true",
    "input": [
      "text",
      "image"
    ]
  }
}