MapikaInterfaze AIDecision matchup
Decider 2Bvs.Lev
Which model makes better decisions?
Lev does better in independent tests, while Decider 2B is much smaller.
Independent testsJev Decision Index
Decider 2B0 of 1
Levahead1 of 1
Popularityout of 100
Decider 2Bahead52
Lev31
Weights and access
Decider 2Bopen, local
Levopen, local
SizeParameters
Decider 2Bsmaller1.9 B
Lev4 B
Pick Decider 2B for
smallermore popular
Pick Lev for
Jev Decision Index
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
Lev aheadLev is clearly ahead in 15 of 37 subtests and slightly in 8, Decider 2B in 3 clearly and slightly in 3. 8 are level.
POP909 · Decision Index 0.4.1
Decider 2B0.3
Lev5.4
2,000 tasks, as of October 28, 2026
Home appliances · Decision Index 0.4.1
Decider 2B3.4
Lev19.3
88 tasks, as of October 28, 2026
API-Bank · Decision Index 0.4.1
Decider 2B31.7
Lev79.1
508 tasks, as of October 28, 2026
Show all 37 subtests
| Subtest | Decider 2B | Lev | Verdict |
|---|---|---|---|
| POP909 · Decision Index 0.4.1 | 0.3 | 5.4 | Lev ahead |
| Home appliances · Decision Index 0.4.1 | 3.4 | 19.3 | Lev ahead |
| API-Bank · Decision Index 0.4.1 | 31.7 | 79.1 | Lev ahead |
| CRUXEval · Decision Index 0.4.1 | 33.0 | 50.3 | Lev ahead |
| ChessBench · Decision Index 0.4.1 | 9.9 | 14.3 | Lev ahead |
| SATA-Bench · Decision Index 0.4.1 | 24.7 | 18.2 | Decider 2B ahead |
| BPoMP · Decision Index 0.4.1 | 64.9 | 87.7 | Lev ahead |
| MMLU-Pro · Decision Index 0.4.1 | 37.6 | 48.7 | Lev ahead |
| GSM8K · Decision Index 0.4.1 | 23.1 | 29.2 | Lev ahead |
| New Yorker · Decision Index 0.4.1 | 44.7 | 54.0 | Lev ahead |
| BBH · Decision Index 0.4.1 | 51.0 | 61.3 | Lev ahead |
| Habermas · Decision Index 0.4.1 | 42.2 | 46.2 | Lev ahead |
| cfcolor · Decision Index 0.4.1 | 57.0 | 62.2 | Lev ahead |
| BFCL · Decision Index 0.4.1 | 82.9 | 90.2 | Lev ahead |
| HoVer · Decision Index 0.4.1 | 59.1 | 63.4 | Lev ahead |
| HellaSwag · Decision Index 0.4.1 | 85.8 | 81.2 | Decider 2B ahead |
| When2Call · Decision Index 0.4.1 | 54.7 | 52.3 | Decider 2B ahead |
| CLadder · Decision Index 0.4.1 | 57.3 | 59.7 | Lev ahead |
| RAGTruth · Decision Index 0.4.1 | 28.3 | 8.3 | Decider 2B slightly ahead |
| iSarcasmEval · Decision Index 0.4.1 | 22.4 | 40.0 | Lev slightly ahead |
| Amazon ESCI · Decision Index 0.4.1 | 34.7 | 45.9 | Lev slightly ahead |
| ANLI · Decision Index 0.4.1 | 49.4 | 64.5 | Lev slightly ahead |
| CLINC150 · Decision Index 0.4.1 | 73.7 | 90.4 | Lev slightly ahead |
| BANKING77 · Decision Index 0.4.1 | 72.8 | 86.8 | Lev slightly ahead |
| BRIGHT · Decision Index 0.4.1 | 37.1 | 44.0 | Lev slightly ahead |
| NLI4CT · Decision Index 0.4.1 | 65.5 | 76.1 | Lev slightly ahead |
| ContractNLI · Decision Index 0.4.1 | 63.4 | 70.4 | Lev slightly ahead |
| ACOS · Decision Index 0.4.1 | 7.9 | 7.1 | Decider 2B slightly ahead |
| VAST · Decision Index 0.4.1 | 51.0 | 48.4 | Decider 2B slightly ahead |
| GPQA Diamond · Decision Index 0.4.1 | 36.2 | 40.3 | level |
| HLE · Decision Index 0.4.1 | 12.0 | 12.4 | level |
| FinEntity · Decision Index 0.4.1 | 76.1 | 74.0 | level |
| MuSR · Decision Index 0.4.1 | 54.9 | 53.6 | level |
| ToolRet · Decision Index 0.4.1 | 63.1 | 62.2 | level |
| WinoGrande · Decision Index 0.4.1 | 67.7 | 66.9 | level |
| PhishNChips · Decision Index 0.4.1 | 50.1 | 50.6 | level |
| Humicroedit · Decision Index 0.4.1 | 59.9 | 60.1 | level |
Source · latest October 28, 2026
All data side by side
| Decider 2B | Lev | |
|---|---|---|
| Kind | Standalone | Adapter |
| Developer | Mapika | Interfaze AI |
| Status | Open source | Open source |
| Weights | open | open |
| Runs locally | yes | yes |
| Parameters | 1.9 B | 4 B |
| License | Apache-2.0 | Apache-2.0 |
| Popularity (out of 100) | 52 | 31 |