Span-01
Span-01 by Respan is a decision model: it answers typed questions with a probability for each allowed answer instead of generating text. Hosted, it costs about $0.0040 per 1,000 decisions.
Pricing
| Provider | Input / 1M | Output / 1M |
|---|---|---|
| respan | $0.02 | $0.00 |
| openrouter | $0.02 | $0.00 |
Cost per 1,000 decisions assumes 200 input tokens per decision.
Specifications
- Provider
- Respan
- Parameters
- —
- Released
- Sep 2026
- Open weights
- No
- Question types
- Yes / no
- Mechanism
- Hosted API
- Backbone
- —
- Jev-compatible request
- No
- Runs on CPU
- —
- License
- proprietary
Self-reported by the publisher
The model's own claims, often on its own sets or a self-run copy of a public suite. Not independently verified and never ranked alongside measured results.
- respan-behaviorSelf-reported
- 0.843
Compare Span-01 with…
FAQ
How much does Span-01 cost?
Hosted, Span-01 costs $0.02 per 1M input tokens, about $0.0040 per 1,000 decisions at 200 input tokens each.
What questions can Span-01 answer?
Span-01 answers yes / no questions, returning a probability for each allowed answer.
Is Span-01 well calibrated?
No calibration measurement for Span-01 is recorded yet.
Is Span-01 open weight, and can it run on a CPU?
No, Span-01 is closed and served as an API.
Data as of 2026-10-14. Source: Metatext decision-model catalogue, 2026-10-14 (systemonemodels.org, OpenRouter). Pricing is per 1M tokens (USD); confirm with the provider before production use.