MapikaJared PalmerDecision matchup
Decider 4Bvs.Kev 0.8B
Which model makes better decisions?
Decider 4B does better in independent tests.
Independent testsJev Decision Index
Decider 4Bahead1 of 1
Kev 0.8B0 of 1
Popularityout of 100
Decider 4B43
Kev 0.8B45
Weights and access
Decider 4Bopen, local
Kev 0.8Bopen, local
SizeParameters
Decider 4B4 B
Kev 0.8Bn/a
Pick Decider 4B for
Jev Decision Index
Pick Kev 0.8B for
No clear edge
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
Decider 4B aheadDecider 4B is clearly ahead in 21 of 37 subtests and slightly in 12, Kev 0.8B in 0 clearly and slightly in 1. 3 are level.
Home appliances · Decision Index 0.4.1
Decider 4B17.1
Kev 0.8B0.0
88 tasks, as of October 28, 2026
POP909 · Decision Index 0.4.1
Decider 4B10.0
Kev 0.8B1.5
2,000 tasks, as of October 28, 2026
SATA-Bench · Decision Index 0.4.1
Decider 4B31.6
Kev 0.8B9.0
1,650 tasks, as of October 28, 2026
Show all 37 subtests
| Subtest | Decider 4B | Kev 0.8B | Verdict |
|---|---|---|---|
| Home appliances · Decision Index 0.4.1 | 17.1 | 0.0 | Decider 4B ahead |
| POP909 · Decision Index 0.4.1 | 10.0 | 1.5 | Decider 4B ahead |
| SATA-Bench · Decision Index 0.4.1 | 31.6 | 9.0 | Decider 4B ahead |
| MMLU-Pro · Decision Index 0.4.1 | 51.7 | 22.3 | Decider 4B ahead |
| New Yorker · Decision Index 0.4.1 | 62.9 | 27.8 | Decider 4B ahead |
| HellaSwag · Decision Index 0.4.1 | 94.0 | 42.9 | Decider 4B ahead |
| GSM8K · Decision Index 0.4.1 | 40.6 | 19.0 | Decider 4B ahead |
| When2Call · Decision Index 0.4.1 | 75.9 | 43.2 | Decider 4B ahead |
| BPoMP · Decision Index 0.4.1 | 83.4 | 47.7 | Decider 4B ahead |
| WinoGrande · Decision Index 0.4.1 | 80.7 | 52.8 | Decider 4B ahead |
| BBH · Decision Index 0.4.1 | 60.9 | 41.4 | Decider 4B ahead |
| API-Bank · Decision Index 0.4.1 | 60.4 | 43.7 | Decider 4B ahead |
| ChessBench · Decision Index 0.4.1 | 10.5 | 7.9 | Decider 4B ahead |
| CLadder · Decision Index 0.4.1 | 63.3 | 50.5 | Decider 4B ahead |
| BFCL · Decision Index 0.4.1 | 88.0 | 70.5 | Decider 4B ahead |
| Habermas · Decision Index 0.4.1 | 40.6 | 33.4 | Decider 4B ahead |
| Humicroedit · Decision Index 0.4.1 | 59.7 | 50.9 | Decider 4B ahead |
| CRUXEval · Decision Index 0.4.1 | 43.7 | 37.7 | Decider 4B ahead |
| PhishNChips · Decision Index 0.4.1 | 57.8 | 51.7 | Decider 4B ahead |
| HoVer · Decision Index 0.4.1 | 56.3 | 51.0 | Decider 4B ahead |
| cfcolor · Decision Index 0.4.1 | 60.5 | 55.4 | Decider 4B ahead |
| CLINC150 · Decision Index 0.4.1 | 86.6 | 15.0 | Decider 4B slightly ahead |
| iSarcasmEval · Decision Index 0.4.1 | 42.1 | 19.9 | Decider 4B slightly ahead |
| ACOS · Decision Index 0.4.1 | 19.2 | 9.9 | Decider 4B slightly ahead |
| Amazon ESCI · Decision Index 0.4.1 | 42.4 | 22.9 | Decider 4B slightly ahead |
| ContractNLI · Decision Index 0.4.1 | 72.3 | 40.9 | Decider 4B slightly ahead |
| ANLI · Decision Index 0.4.1 | 56.4 | 33.6 | Decider 4B slightly ahead |
| BRIGHT · Decision Index 0.4.1 | 45.5 | 31.8 | Decider 4B slightly ahead |
| VAST · Decision Index 0.4.1 | 53.5 | 40.6 | Decider 4B slightly ahead |
| NLI4CT · Decision Index 0.4.1 | 73.7 | 55.9 | Decider 4B slightly ahead |
| ToolRet · Decision Index 0.4.1 | 65.0 | 51.7 | Decider 4B slightly ahead |
| FinEntity · Decision Index 0.4.1 | 86.0 | 71.4 | Decider 4B slightly ahead |
| RAGTruth · Decision Index 0.4.1 | 52.2 | 46.2 | Decider 4B slightly ahead |
| BANKING77 · Decision Index 0.4.1 | 74.7 | 77.6 | Kev 0.8B slightly ahead |
| HLE · Decision Index 0.4.1 | 10.4 | 13.8 | level |
| GPQA Diamond · Decision Index 0.4.1 | 41.3 | 33.2 | level |
| MuSR · Decision Index 0.4.1 | 53.7 | 48.9 | level |
Source · latest October 28, 2026
All data side by side
| Decider 4B | Kev 0.8B | |
|---|---|---|
| Kind | Standalone | Adapter |
| Developer | Mapika | Jared Palmer |
| Status | Open source | Open source |
| Released | n/a | September 20, 2026 |
| Weights | open | open |
| Runs locally | yes | yes |
| Parameters | 4 B | n/a |
| License | Apache-2.0 | Apache-2.0 for the adapter and head |
| Popularity (out of 100) | 43 | 45 |