opencheap.si
Credits

Tev1 4B Experimental

Tev1 4B Experimental is a trial decision model fine-tuned from Qwen3.5-4B that picks one of 2 to 24 listed options for a state and a question, answering with the option's letter. It is not meant for chat, nor as the only judge of high-impact decisions.

Price per 1M input tokens
$0.048input only, no output tokens
Context
32K tokens

API

curl https://api.opencheap.si/v1/systemone \
  -H "Authorization: Bearer $OPENCHEAP_API_KEY" -H "Content-Type: application/json" \
  -d '{ "model": "opencheap/tev1-4b-experimental", "state": "I was charged twice for my order and nobody answers my emails.",
        "questions": { "frustrated": { "type": "noul", "instructions": "Is the customer frustrated?" } } }'