together_ai

Together AI: Tev1 4B Experimental

together/Tev1-4B-experimental
Context

32K

Input

text

Output

decisions

Tool calling

Not listed

About this model

Tev1-4B-experimental is Together AI's experimental decision model built by supervised fine-tuning Qwen3.5-4B for structured classification and routing tasks. Given an application state, a question, and between 2 and 24 labeled options, the model selects exactly one option rather than producing a conventional free-form response. It is designed for fast decision-making workloads such as intent classification, request routing, policy checks, moderation, workflow automation, and other closed-set decisions. Tev1 is inspired by Jev-style decision models but retains Qwen's standard autoregressive next-token language-model head, allowing it to run through conventional chat-completions infrastructure. Together AI publishes the training recipe and evaluation tooling, making the model useful both as a production decision model and as a reference for building custom classifiers.

Input modalities

text

Accepted as model input

Providers

Available routing options for this model through OneInfer.

Available

Input tokens

$0.042 / 1M tokens

Routing

OneInfer optimized

Pricing

Current OneInfer pricing for this model.

UsagePrice
Input tokens$0.042 / 1M tokens

Performance & Benchmarks

Independent evaluations and live cluster operational metrics

We haven’t measured this model yet.

API Guide

API docs
  1. 1

    Generate your access token

    Use your API key to generate the JWT access token required by the Models API.

  2. 2

    Add the JWT token

    Copy the generated JWT token and replace JWT_TOKEN in the example below.

  3. 3

    Check your credits

    If your balance is too low, before calling the model.

  4. 4

    Run the API example

    Choose your preferred language, copy the example, and send your first model request.

    curl https://api.oneinfer.ai/v1/ula/decisions \
      -H "Authorization: Bearer $JWT_TOKEN" \
      -H "Content-Type: application/json" \
      -d '{
      "model": "together/Tev1-4B-experimental",
      "state": {
        "task": "Delete inactive customer accounts"
      },
      "questions": {
        "approve": {
          "type": "noul",
          "instructions": "Is this action safe to run automatically?",
          "criteria": {
            "true": "Reversible or low impact",
            "false": "Destructive or requires approval"
          }
        },
        "team": {
          "type": "choice",
          "instructions": "Which team should handle this request?",
          "criteria": {
            "billing": "Payments, payouts, invoices, or refunds",
            "technical": "Bugs, outages, integrations, or API errors"
          }
        },
        "priority": {
          "type": "score",
          "instructions": "How urgent is this request?",
          "criteria": [
            "Can wait",
            "Needs attention",
            "Urgent"
          ]
        }
      }
    }'

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