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Dimitris Papadopoulos: biodecision and TokenRhythm: neohorse-jev, compared on what they decide, where they run, what they cost and what their publishers report.
| Property | lighteternal/biodecision | tokenrhythm/neohorse-jev |
|---|---|---|
| Summary | A 4B biomedical decision model by Dimitris Papadopoulos: Qwen3.5-4B tuned with Together AI's Tev1 recipe on 1.75M pharma, clinical-trial and literature decisions. One forward pass gives a temperature-scaled probability per option. Research use only. | TokenRhythm's prefill-only decision model for agent workflows. Built on its NeoHorse-1-4B (a Qwen3.5-4B derivative), it predicts Choice, Noul and Score answers over application-defined options without generating text, with optional single-image input. |
| Decides | choice, score, noul, classify | choice, score, noul, classify, route |
| Architecture | biodecision | neohorse |
| Fine-tuned from | qwen/qwen3.5-4b | tokenrhythm/neohorse-1-4b |
| License | Research use only (several training sources are non-commercial); not validated for patient care | apache-2.0 |
| Availability | Open weights | Open weights |
| Hosted by | — | — |
| Input price | — | — |
| Decision accuracy | 75.3% | 75.3% |
| Calibration error | — | — |
| Valid action rate | — | — |
| Median latency | 39 ms | — |
| p95 latency | — | — |
| Evaluation suite | BioDecision v2 held-out test set (63,432 overlap-screened decisions from public biomedical benchmarks; the maker's own split) | JevBench public set (231 items), vLLM, maker's run |
| Latest version | 2.0.0 | 2026.09 |
| Variants | LICENSE | backbone, SHA256SUMS, assets, dist, package, tokenizer, vision |
| Size of latest version | 8.7 GB | 8.5 GB |
| Files | 15 | 38 |
| Downloads | 0 | 3 |
| Stars | 0 | 0 |
| Tags | system-one, qwen, biomedical, clinical-trials, jev-inspired, research-only, 4b | system-one, qwen, multimodal, vllm, sglang, 4b |
| Updated | Oct 7, 2026 | Oct 7, 2026 |
Figures are from each model’s manifest; accuracy and latency are what the publishers report, on their own suites and hardware. Add a third model.
biodecision is from Dimitris Papadopoulos and neohorse-jev from TokenRhythm. Both have open weights you can download and run. Both answer choice, score, noul and classify questions. Only neohorse-jev answers route. biodecision is licensed other; neohorse-jev, apache-2.0.
They report on different suites — biodecision 75.3% on BioDecision v2 held-out test set (63,432 overlap-screened decisions from public biomedical benchmarks; the maker's own split), neohorse-jev 75.3% on JevBench public set (231 items), vLLM, maker's run — so the numbers do not rank them. Test both on your own labelled examples.
biodecision: Free (open weights). neohorse-jev: Free (open weights). Open weights cost nothing per call beyond your own hardware.
Yes, both: systemone pull lighteternal/biodecision and systemone pull tokenrhythm/neohorse-jev download the weights.