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Drex v2.0

Nace AI's 35B mixture-of-experts decision model joins the catalog, with a platform route and BYOK.

Drex v2.0 is Nace AI's larger decision model and the successor to Drex v1.5. Send a state (text or JSON) and typed questions (yes/no, multiple choice or an ordinal score). It returns a calibrated probability for every option in one forward pass, with no text generation. It is TypeSafe System One compatible, so it suits routing, classification and policy checks that need a scored answer, not prose.

const res = await fetch("https://anyrouter.dev/api/v1/decisions", {
  method: "POST",
  headers: {
    Authorization: "Bearer " + process.env.ANYROUTER_API_KEY,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    state: "Refund request, order 12 days old, item unopened.",
    model: "nace-ai/drex-v2.0",
    questions: {
      approve: { type: "noul", instructions: "Should this refund be approved?" },
    },
  }),
})
console.log(await res.json())
One request, one noul question.
curl -fsSL https://anyrouter.dev/setup.sh | bash
anyr login
anyr decision --model nace-ai/drex-v2.0
Or run it with the native anyr command.

Drex v1.5 also gains the platform route. More: Decisions app · Decisions API reference · BYOK setup.

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