Span-02

Respan's Span-02 is an open-weight decision model under Apache 2.0, fine-tuned from Gemma 4 26B-A4B with about 4B parameters active. It answers choice, yes/no, rating and number questions about text, JSON or up to 4 images, with calibrated probabilities and no free text.

Price per 1M input tokens: $0.012input 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/span-02", "state": "I was charged twice for my order and nobody answers my emails.",
        "questions": { "frustrated": { "type": "noul", "instructions": "Is the customer frustrated?" } } }'