Jared PalmerSupersonic LabsDecision matchup
Kev 4Bvs.Julia 1
Which model makes better decisions?
Kev 4B does better in independent tests, while Julia 1 is more popular.
Independent testsJev Decision Index
Kev 4Bahead1 of 1
Julia 10 of 1
Popularityout of 100
Kev 4B23
Julia 1ahead39
Weights and access
Kev 4Bopen, local
Julia 1open, local
SizeParameters
Kev 4Bn/a
Julia 10.14 B
Pick Kev 4B for
Jev Decision Index
Pick Julia 1 for
more popular
Shared tests
Independent evaluators and leaderboards only, the newest shared snapshot per evaluator. With 95 % ranges a lead counts when they do not overlap; for hit rates, when it holds in a 95 % test. Without any uncertainty figure at most “slightly ahead”.
Jev Decision Index
Kev 4B aheadKev 4B is clearly ahead in 23 of 37 subtests and slightly in 13, Julia 1 in 1.
Home appliances · Decision Index 0.4.1
Kev 4B14.8
Julia 10.0
88 tasks, as of October 28, 2026
SATA-Bench · Decision Index 0.4.1
Kev 4B28.8
Julia 11.0
1,650 tasks, as of October 28, 2026
POP909 · Decision Index 0.4.1
Kev 4B1.2
Julia 10.2
2,000 tasks, as of October 28, 2026
Show all 37 subtests
| Subtest | Kev 4B | Julia 1 | Verdict |
|---|---|---|---|
| Home appliances · Decision Index 0.4.1 | 14.8 | 0.0 | Kev 4B ahead |
| SATA-Bench · Decision Index 0.4.1 | 28.8 | 1.0 | Kev 4B ahead |
| POP909 · Decision Index 0.4.1 | 1.2 | 0.2 | Kev 4B ahead |
| MMLU-Pro · Decision Index 0.4.1 | 50.7 | 14.7 | Kev 4B ahead |
| API-Bank · Decision Index 0.4.1 | 53.3 | 18.3 | Kev 4B ahead |
| When2Call · Decision Index 0.4.1 | 66.7 | 23.6 | Kev 4B ahead |
| GSM8K · Decision Index 0.4.1 | 46.5 | 16.9 | Kev 4B ahead |
| HellaSwag · Decision Index 0.4.1 | 78.9 | 29.9 | Kev 4B ahead |
| BFCL · Decision Index 0.4.1 | 93.1 | 37.5 | Kev 4B ahead |
| New Yorker · Decision Index 0.4.1 | 52.3 | 23.5 | Kev 4B ahead |
| BBH · Decision Index 0.4.1 | 62.5 | 33.8 | Kev 4B ahead |
| GPQA Diamond · Decision Index 0.4.1 | 37.8 | 25.5 | Kev 4B ahead |
| MuSR · Decision Index 0.4.1 | 56.3 | 39.0 | Kev 4B ahead |
| HLE · Decision Index 0.4.1 | 10.2 | 14.4 | Julia 1 ahead |
| WinoGrande · Decision Index 0.4.1 | 70.2 | 50.7 | Kev 4B ahead |
| BPoMP · Decision Index 0.4.1 | 65.1 | 48.8 | Kev 4B ahead |
| CRUXEval · Decision Index 0.4.1 | 48.1 | 38.1 | Kev 4B ahead |
| CLadder · Decision Index 0.4.1 | 63.1 | 50.2 | Kev 4B ahead |
| Habermas · Decision Index 0.4.1 | 42.0 | 35.4 | Kev 4B ahead |
| HoVer · Decision Index 0.4.1 | 59.7 | 50.3 | Kev 4B ahead |
| ChessBench · Decision Index 0.4.1 | 8.9 | 7.5 | Kev 4B ahead |
| cfcolor · Decision Index 0.4.1 | 57.9 | 50.4 | Kev 4B ahead |
| Humicroedit · Decision Index 0.4.1 | 54.4 | 48.3 | Kev 4B ahead |
| PhishNChips · Decision Index 0.4.1 | 55.3 | 49.9 | Kev 4B ahead |
| iSarcasmEval · Decision Index 0.4.1 | 46.8 | 6.5 | Kev 4B slightly ahead |
| CLINC150 · Decision Index 0.4.1 | 75.0 | 12.3 | Kev 4B slightly ahead |
| ToolRet · Decision Index 0.4.1 | 61.0 | 13.6 | Kev 4B slightly ahead |
| BRIGHT · Decision Index 0.4.1 | 39.0 | 9.1 | Kev 4B slightly ahead |
| ACOS · Decision Index 0.4.1 | 9.8 | 3.1 | Kev 4B slightly ahead |
| FinEntity · Decision Index 0.4.1 | 87.1 | 32.8 | Kev 4B slightly ahead |
| ContractNLI · Decision Index 0.4.1 | 64.4 | 31.8 | Kev 4B slightly ahead |
| BANKING77 · Decision Index 0.4.1 | 82.9 | 42.6 | Kev 4B slightly ahead |
| Amazon ESCI · Decision Index 0.4.1 | 39.7 | 20.6 | Kev 4B slightly ahead |
| ANLI · Decision Index 0.4.1 | 48.1 | 28.6 | Kev 4B slightly ahead |
| VAST · Decision Index 0.4.1 | 52.4 | 32.9 | Kev 4B slightly ahead |
| NLI4CT · Decision Index 0.4.1 | 74.6 | 49.7 | Kev 4B slightly ahead |
| RAGTruth · Decision Index 0.4.1 | 67.5 | 52.0 | Kev 4B slightly ahead |
Source · latest October 28, 2026