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JevBench by Benchmark Heaven · v1.4.2.2 · individual system

open-alternative-jev (Qwen3.5-4B, IkerMoel)

Jev rebuild · by IkerMoel

JevBench v1.4.2.2 score

33.2

Rank #38 of 91 ranked systems.

30.0 points behind Jev 1.13.0's 63.3.

Where it sits among the 91 ranked systems. The marked tick is Jev 1.13.0 (63.3).

Published axes

intelligence
38.6
calibration
58.7
speed
83.5
cost
59.6

Against Jev 1.13.0

Four radars compare this fixed pair across the score axes, accuracy per tier, and accuracy by family on the hard tier and sealed set. Further out is better on every spoke.

The four score axes

Radar: the four score axes, two systemsThe four score axes, open-alternative-jev vs Jev 1.13.0. Intelligence: 38.6 vs 53.1; Calibration: 58.7 vs 76.3; Speed: 83.5 vs 83.3; Cost: 59.6 vs 52.0.50100Intelligence38.6 · 53.1Calibration58.7 · 76.3Speed83.5 · 83.3Cost59.6 · 52.0
0–100, the values in the table. A label-only system has no calibration (counted as 0).

Accuracy per tier, incl. sealed

Radar: accuracy per tier, incl. sealed, two systemsAccuracy per tier, incl. sealed, open-alternative-jev vs Jev 1.13.0. Easy: 100% vs 100%; Standard: 84% vs 99%; Judge: 75% vs 95%; Hard: 57% vs 74%; Sealed: 24% vs 37%.50100Easy100% · 100%Standard84% · 99%Judge75% · 95%Hard57% · 74%Sealed24% · 37%
Share correct per tier; Sealed = the 308 private decisions, aggregate only.

Current question set by family (hard + sealed)

Radar: current question set by family (hard + sealed), two systemsCurrent question set by family (hard + sealed), open-alternative-jev vs Jev 1.13.0. Ambiguous / abstain: 29% vs 43%; Judge: 49% vs 54%; Long policy: 29% vs 44%; Multi-hop: 41% vs 64%; Probability: 25% vs 63%; Temporal / numeric: 21% vs 28%; Trade-off: 29% vs 55%; Routing: 100% vs 100%; Trap / adversarial: 73% vs 83%; Paraphrase: 57% vs 64%; Safety judge: 50% vs 38%.50100Ambiguous /abstain29% · 43%Judge49% · 54%Long policy29% · 44%Multi-hop41% · 64%Probability25% · 63%Temporal /numeric21% · 28%Trade-off29% · 55%Routing100% · 100%Trap /adversarial73% · 83%Paraphrase57% · 64%Safety judge50% · 38%
Share correct per family across the 220 hard-tier decisions (public and held out) and the 308 sealed decisions of v1.4, pooled; Routing is hard-tier only, Paraphrase and Safety judge sealed only.

Sealed set by family

Radar: sealed set by family, two systemsSealed set by family, open-alternative-jev vs Jev 1.13.0. Ambiguous / abstain: 16% vs 30%; Judge: 32% vs 34%; Long policy: 15% vs 28%; Multi-hop: 29% vs 45%; Paraphrase: 57% vs 64%; Probability: 18% vs 50%; Safety judge: 50% vs 38%; Temporal / numeric: 16% vs 29%; Trade-off: 15% vs 38%; Trap / adversarial: 42% vs 42%.50100Ambiguous /abstain16% · 30%Judge32% · 34%Long policy15% · 28%Multi-hop29% · 45%Paraphrase57% · 64%Probability18% · 50%Safety judge50% · 38%Temporal /numeric16% · 29%Trade-off15% · 38%Trap /adversarial42% · 42%
Share correct within each sealed family — system-level aggregates; the items stay private.

Availability and evidence

Openness
Code and weights marked open in the published row
License note
Apache-2.0 (code and weights)
Cost evidence
estimated; the board’s row disclosure contains the published basis.
Endpoint condition
our RunPod GPU (RTX PRO 4500 Blackwell 32 GB (EU-RO-1)), reached over the internet
Note on this row
With the options in reverse order (A. no, B. yes) the same model scored 21 % instead of 72 % on yes/no answer-judging items — small models are very sensitive to option order.
Published source
https://github.com/ikermoel/open-alternative-jev

From the public v1.4.2.2 aggregate. Scores and ranks can change when a new release is published.

Read the full board and published method. The overall score is a composite, not raw accuracy.