System OneSystem One

together-ai/tev12026.09

Together AI's Jev-style classifier. A LoRA fine-tune of Qwen3.5-4B that reads a state, a question and 2 to 24 options and returns one option letter. Served on Together's platform; recipe published.

choiceclassifyroutesystem-oneqwenloratogether4b
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Playground

Build a request for together-ai/tev1. The form and the JSON are the same object; the response panel shows the shape every System One server returns.

Input

Pick one option from a set. The answer is a probability per option and the winner.

Options

A yes/no question. The answer is one calibrated probability that the condition holds.

Responseshape · placeholder values
{
  "model": "together-ai/tev1",
  "answers": {
    "queue": {
      "type": "choice",
      "choice": "billing",
      "probabilities": {
        "billing": 0.82,
        "security": 0.06,
        "technical_support": 0.06,
        "sales": 0.06
      },
      "confidence": 0.82
    },
    "urgent": {
      "type": "noul",
      "noul": 0.07
    }
  },
  "usage": {
    "input_tokens": 0,
    "output_tokens": 0
  }
}

Inference through System One is coming. Until then, send this request to Together AI's endpoint or your own server for this model; every System One server speaks this shape.

Call it
curl https://api.systemonemodels.tech/v1/systemone \
  -H "Authorization: Bearer $SYSTEMONE_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"model":"together-ai/tev1","state":"Subject: can't sign in after enabling 2FA\nBody: I turned on two-factor yesterday and now every code says invalid. I already reinstalled the authenticator app. Plan: Team, billed annually.","questions":{"queue":{"type":"choice","instructions":"Which team should handle this ticket?","criteria":{"billing":null,"security":null,"technical_support":null,"sales":null}},"urgent":{"type":"noul","instructions":"Is the customer locked out of a paid account right now?"}}}'