Jared PalmerInterfaze AIDecision matchup
Kev 4Bvs.Lev
Which model makes better decisions?
Kev 4B and Lev each lead in different tests.
Independent testsJev Decision Index
Kev 4B0 of 1
Lev0 of 1
Popularityout of 100
Kev 4B23
Levahead31
Weights and access
Kev 4Bopen, local
Levopen, local
SizeParameters
Kev 4Bn/a
Lev4 B
Pick Kev 4B for
No clear edge
Pick Lev 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
depends on the subtestLev is clearly ahead in 9 of 37 subtests and slightly in 6, Kev 4B in 7 clearly and slightly in 5. 10 are level.
POP909 · Decision Index 0.4.1
Kev 4B1.2
Lev5.4
2,000 tasks, as of October 28, 2026
ChessBench · Decision Index 0.4.1
Kev 4B8.9
Lev14.3
5,000 tasks, as of October 28, 2026
GSM8K · Decision Index 0.4.1
Kev 4B46.5
Lev29.2
2,638 tasks, as of October 28, 2026
Show all 37 subtests
| Subtest | Kev 4B | Lev | Verdict |
|---|---|---|---|
| POP909 · Decision Index 0.4.1 | 1.2 | 5.4 | Lev ahead |
| ChessBench · Decision Index 0.4.1 | 8.9 | 14.3 | Lev ahead |
| GSM8K · Decision Index 0.4.1 | 46.5 | 29.2 | Kev 4B ahead |
| SATA-Bench · Decision Index 0.4.1 | 28.8 | 18.2 | Kev 4B ahead |
| API-Bank · Decision Index 0.4.1 | 53.3 | 79.1 | Lev ahead |
| BPoMP · Decision Index 0.4.1 | 65.1 | 87.7 | Lev ahead |
| When2Call · Decision Index 0.4.1 | 66.7 | 52.3 | Kev 4B ahead |
| Humicroedit · Decision Index 0.4.1 | 54.4 | 60.1 | Lev ahead |
| Habermas · Decision Index 0.4.1 | 42.0 | 46.2 | Lev ahead |
| PhishNChips · Decision Index 0.4.1 | 55.3 | 50.6 | Kev 4B ahead |
| cfcolor · Decision Index 0.4.1 | 57.9 | 62.2 | Lev ahead |
| HoVer · Decision Index 0.4.1 | 59.7 | 63.4 | Lev ahead |
| CLadder · Decision Index 0.4.1 | 63.1 | 59.7 | Kev 4B ahead |
| MMLU-Pro · Decision Index 0.4.1 | 50.7 | 48.7 | Kev 4B ahead |
| BFCL · Decision Index 0.4.1 | 93.1 | 90.2 | Kev 4B ahead |
| HellaSwag · Decision Index 0.4.1 | 78.9 | 81.2 | Lev ahead |
| RAGTruth · Decision Index 0.4.1 | 67.5 | 8.3 | Kev 4B slightly ahead |
| ACOS · Decision Index 0.4.1 | 9.8 | 7.1 | Kev 4B slightly ahead |
| ANLI · Decision Index 0.4.1 | 48.1 | 64.5 | Lev slightly ahead |
| CLINC150 · Decision Index 0.4.1 | 75.0 | 90.4 | Lev slightly ahead |
| FinEntity · Decision Index 0.4.1 | 87.1 | 74.0 | Kev 4B slightly ahead |
| iSarcasmEval · Decision Index 0.4.1 | 46.8 | 40.0 | Kev 4B slightly ahead |
| Amazon ESCI · Decision Index 0.4.1 | 39.7 | 45.9 | Lev slightly ahead |
| BRIGHT · Decision Index 0.4.1 | 39.0 | 44.0 | Lev slightly ahead |
| ContractNLI · Decision Index 0.4.1 | 64.4 | 70.4 | Lev slightly ahead |
| VAST · Decision Index 0.4.1 | 52.4 | 48.4 | Kev 4B slightly ahead |
| BANKING77 · Decision Index 0.4.1 | 82.9 | 86.8 | Lev slightly ahead |
| Home appliances · Decision Index 0.4.1 | 14.8 | 19.3 | level |
| HLE · Decision Index 0.4.1 | 10.2 | 12.4 | level |
| GPQA Diamond · Decision Index 0.4.1 | 37.8 | 40.3 | level |
| WinoGrande · Decision Index 0.4.1 | 70.2 | 66.9 | level |
| MuSR · Decision Index 0.4.1 | 56.3 | 53.6 | level |
| CRUXEval · Decision Index 0.4.1 | 48.1 | 50.3 | level |
| New Yorker · Decision Index 0.4.1 | 52.3 | 54.0 | level |
| ToolRet · Decision Index 0.4.1 | 61.0 | 62.2 | level |
| NLI4CT · Decision Index 0.4.1 | 74.6 | 76.1 | level |
| BBH · Decision Index 0.4.1 | 62.5 | 61.3 | level |
Source · latest October 28, 2026