respan

Respan: Span-01 Lite (free)

respan/span-01-lite:free

Our take

AI-assisted analysis based on the sources below. Suitability is an editorial assessment; test it on your own workload.

According to the OpenRouter catalog, respan/span-01-lite:free is a free, lighter tier of Span-01, Respan's behavior scoring model. The catalog describes a text-to-decisions system that accepts text input and returns, for each plain-language behavior defined by the user, the probability that the behavior is present. No reasoning mode, benchmark results, usable context length, or independent model card was available in this source pack, so the stated capabilities are catalog-reported rather than independently measured.[1]

Strengths

Catalog-reported behavior scoring: returns a presence probability for each plain-language behavior the user defines.[1]
Listed as a free, lighter Span-01 tier with text input and decisions output.[1]

Limitations

Evidence is limited to the OpenRouter catalog; an independent model card was not available in this source pack.[1]
No benchmark results were supplied, so real performance should be validated on the intended workload.[1]
The catalog provides no practical information on context length, knowledge cutoff, or reasoning support.[1]

Where to use it

Worth evaluating for workflows that score text against user-defined plain-language behaviors, such as labeling or prioritizing reviews.[1]
May fit lightweight decision-support tasks where a probability per behavior is more useful than generated text.[1]

Sources

[1] OpenRouter catalog · Respan: Span-01 Lite (free)Sources checked: Nov 13, 2026

About this model

Description below is the original text supplied by OpenRouter, shown in the source language.

Span-01 Lite is the free, lighter tier of Span-01, a behavior scoring model from Respan. It returns, for each plain-language behavior you define, the probability that the behavior is present...

Specifications

Model ID: respan/span-01-lite:free
Canonical ID: respan/span-01-lite-20260925
Creator: respan
Added to OpenRouter: 26.09.2026
Context length: 0
Modality: text->decisions
Input modalities: text
Output modalities: decisions
Token pricing: No per-token price in the source snapshot — see OpenRouter for the billing unit
Knowledge cutoff: —
Expiration date: —

Tasks and capabilities

A grade appears only where the source supplies a matching measurement for that task, the model is active and the cohort holds at least 10 comparable models. The capability column lists facts the source declares — supported formats, reasoning and tool parameters — which are not measured quality.

Task	Grade	Source-declared capability
General quality	No measurement	—
Coding	No measurement	—
Agents	No measurement	—
Writing	No measurement	—
Reasoning	No measurement	—
Document analysis	No measurement	—
Vision	No measurement	—
Image generation	No measurement	—
Audio	No measurement	—
Video	No measurement	—
Embeddings	No measurement	—

Evaluations

No evaluations are supplied for this model.

How grades work

Each letter grade compares a model only against other models scored by the same source and metric in the current snapshot. S means the top 10%, A the next 20%, B the next 30%, C the rest. Models without a published measurement are shown as not rated — a supported format alone never implies measured quality.

S — S — top 10% of the cohort
A — A — next 20% of the cohort
B — B — next 30% of the cohort
C — C — below the B band

Providers

Optional live provider statistics from OpenRouter. Missing values are unknown, not zero.

Provider	Context length	Price in /1M	Price out /1M	Latency p50 (30m, s)	Throughput p50 (30m, tok/s)	Uptime (30m)
Respan	0	—	—	—	—	100%

Provider data retrieved: 13.11.2026

No published articles identify this model yet.