opencheap.si
Credits

Drex v2.0

Nace.AI's Drex v2.0 is its open-weight mixture-of-experts decision model on Qwen3.6-35B-A3B, about 3B of 35B parameters active, under the Open RAIL-M license. It reads text or JSON and returns a probability for each option of yes/no, choice and ordered questions.

Price per 1M input tokens
$0.068input only, no output tokens
Context
131K tokens

API

curl https://api.opencheap.si/v1/systemone \
  -H "Authorization: Bearer $OPENCHEAP_API_KEY" -H "Content-Type: application/json" \
  -d '{ "model": "opencheap/drex-v2.0", "state": "I was charged twice for my order and nobody answers my emails.",
        "questions": { "frustrated": { "type": "noul", "instructions": "Is the customer frustrated?" } } }'