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HEAD TO HEAD
Alibi Serikbay: jevk5 and Jared Palmer: kev, compared on what they decide, where they run, what they cost and what their publishers report.
| Property | alibi-serikbay/jevk5 | jared-palmer/kev |
|---|---|---|
| Summary | Qwen3.5-4B with a merged rank-16 LoRA distilled from 17,408 teacher questions and 30,000 public training rows, read out as a temperature-scaled softmax over answer-letter logits. Also in 9B, 2B and GGUF. | An open family of System One models. A LoRA adapter plus a pointer head on a frozen Qwen base returns a distribution per typed question in one forward pass, serves TypeSafe's /v1/systemone contract, and ships a fitted temperature with every checkpoint. |
| Decides | choice, score, noul, classify, route | choice, score, noul, classify, route |
| Architecture | jevk5 | kev |
| Fine-tuned from | qwen/qwen3.5-4b | qwen/qwen3.5-4b-base |
| License | apache-2.0 | apache-2.0 |
| Availability | Open weights | Open weights |
| Hosted by | — | — |
| Input price | — | — |
| Decision accuracy | 78.4% | 83.8% |
| Calibration error | 0.035 | 0.042 |
| Valid action rate | — | — |
| Median latency | 13.2 ms | — |
| p95 latency | — | — |
| Evaluation suite | JevBench public hard tier |
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.
jevk5 is from Alibi Serikbay and kev from Jared Palmer. Both have open weights you can download and run. Both answer choice, score, noul, classify and route questions.
They report on different suites — jevk5 78.4% on JevBench public hard tier, kev 83.8% on transfer-v4 (locked, out of domain) — so the numbers do not rank them. Test both on your own labelled examples.
jevk5: Free (open weights). kev: Free (open weights). Open weights cost nothing per call beyond your own hardware.
Yes, both: systemone pull alibi-serikbay/jevk5 and systemone pull jared-palmer/kev download the weights.
| transfer-v4 (locked, out of domain) |
| Latest version | 0.3.0 | 2026.09 |
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| Variants | SHA256SUMS | — |
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| Size of latest version | 7.9 GB | 152.2 MB |
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| Files | 8 | 11 |
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| Downloads | 0 | 0 |
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| Stars | 0 | 0 |
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| Tags | system-one, qwen, lora, distilled, 4b | system-one, qwen, lora, pointer-head, 4b |
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| Updated | Sep 26, 2026 | Sep 26, 2026 |
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