# Divyanshu Dhruv: oev

> A 184M-parameter decision model on DeBERTa-v3-base by Divyanshu Dhruv. It packs a state, a typed question and its options into one sequence and returns a probability per option for choice, yes/no and score questions in one forward pass. English only.

- Page: https://systemonemodels.ai/divyanshu-dhruv/oev
- API: https://api.systemonemodels.ai/v1/models/divyanshu-dhruv/oev
- Download: `pip install systemonemodels && systemone pull divyanshu-dhruv/oev`

## Facts

| | |
|---|---|
| Maker | Divyanshu Dhruv (https://systemonemodels.ai/divyanshu-dhruv) |
| Decides | choice, score, noul |
| Architecture | oev |
| Base model | microsoft/deberta-v3-base |
| Parameters | 184M |
| Licence | apache-2.0 |
| Availability | Open weights |
| Released | 2026-09-23 |
| Latest version | 2026.09 |

## Reported evaluation

Suite: LocalLLaMA/typed-decisions test set (2,000 questions), oev-base-td5 checkpoint fine-tuned on its train split; the maker's own run. Numbers are the publisher's own.

- Decision accuracy: 77.0%
- Calibration error (ECE): 0.094
- Median latency: 22.2 ms

## Model card

<!-- generated by scripts/seed_catalog.py; edit content/models/catalog.yaml -->

# OEV (oev-typed)

A 184M-parameter decision model on DeBERTa-v3-base by Divyanshu Dhruv. It packs a state, a typed question and its options into one sequence and returns a probability per option for choice, yes/no and score questions in one forward pass. English only.

The repository holds 15 checkpoints, not one model. The maker recommends student-r3 as the general default; oev-base-td5 is a specialist fine-tuned on the typed-decisions train split, and there are Banking77, MNLI and ANLI specialists. Calibration differs by checkpoint, from ECE 0.02 (td5 with a fitted temperature) to 0.23 out of domain. The card's Jev and Laya figures are quoted from those makers' tables, not run side by side. Checkpoints are PyTorch .pt files that load only through the maker's oev pip package, which fetches the DeBERTa backbone at load time.

## What it decides

- **choice** — picks one option from a set
- **score** — places the input on an ordered scale
- **noul** — answers a yes/no question with one probability

## At a glance

| | |
|---|---|
| Parameters | 184M |
| Base model | `microsoft/deberta-v3-base` |
| Maker | Divyanshu Dhruv |
| Released | 2026-09-23 |
| License | apache-2.0 |
| Reported accuracy | 77.0% |
| Reported latency | 22.2 ms p50 per question on a Tesla T4 |

## Get the weights

```bash
pip install systemonemodels
systemone pull divyanshu-dhruv/oev
```

The files are served from the maker's Hugging Face repository, [`divyanshudhruv/oev-typed`](https://huggingface.co/divyanshudhruv/oev-typed), and verified against the checksums recorded here.

## Read more

- [Model card](https://huggingface.co/divyanshudhruv/oev-typed)
- [Code](https://github.com/divyanshudhruv/oev)

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*This page was opened by System One for Divyanshu Dhruv, who can claim the organisation and take it over at any time.*

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