Automated README summary
Automatically summarized from the README on 6 Oct 2026; not a run by jevbooks. Run instructions and author-reported outcomes still need verification.
What it is
Janus measures a routing threshold between a small model and a larger one on your own labelled data or decision logs, then routes each decision by the small model's confidence. It ships no default threshold.
How it uses Jev
Jev is the primary (small) model. Janus measures a confidence threshold on labelled data or logs, then Router.decide sends each input to Jev or the fallback based on Jev's confidence; the label, source, escalation flag and cost come from the chosen model.
Primitives:choice
Technique worth stealing
Measure the routing threshold on your own data before routing; no default threshold transfers between datasets.
Try it
pip install janus-decide, then janus measure --dataset mydata.jsonl --labels mylabels.json --primary typesafe:jev-latest --fallback deepseek:deepseek-v4-pro
Model judgments from README excerpts
Project signals use repository metadata, an existing summary and the first 700 README characters, not the full project. “Not found” means not detected in that material; it does not establish absence. These are the original judgments with recorded models and dates, not source audits or run results.
Models & evaluation dates
- Inclusion gate
jev-1.13.0- Project signals
jev-1.13.0- Category
jev-1.13.0- Pattern tags
jev-1.13.0
Evidence
These signals use repository metadata, an existing summary and at most 700 cleaned README characters. ≥ 0.60 means reported in that excerpt; ≤ 0.40 means not found there. The middle band is inconclusive. None is a source-code audit or a test result. The runnable-tool question excludes research experiments; the recommendation question asks for a learning shortlist, not a quality verdict.
- Jev is core to the projectunclear0.51
- Shows a System One patternFound in material0.70
- Describes handling uncertaintyFound in material0.74
- Reports measured numbersnot found in the excerpt0.10
- Is a runnable toolFound in material0.90
- Top-10 learning shortlist signalunclear0.56
- Is a replica of the modelnot found in the excerpt0.09
- Solves a common problem (0–2)score on a 0–2 scale1.75 / 2
- About JevFound in material0.97
no-judgment band (0.40–0.60)
no-judgment band (0.40–0.60)
The Jev model and date for each judgment stage are listed above. Card written by DeepSeek V4.1 Flash from the README on 6 Oct 2026.