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JevBench by Benchmark Heaven · v1.4.2.2 · individual system

reflex-27b (Qwen3.8-27B)

Jev rebuild · by kshetrajna12

JevBench v1.4.2.2 score

17.8

Rank #66 of 91 ranked systems.

45.4 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
46.4
calibration
77.2
speed
67.5
cost
32.3

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.

  • A: reflex-27b — Jev rebuild · Score 17.8 (#66)
  • B: Jev 1.13.0 — Jev (TypeSafe, closed) · Score 63.3 (#4)

The four score axes

Radar: the four score axes, two systemsThe four score axes, reflex-27b vs Jev 1.13.0. Intelligence: 46.4 vs 53.1; Calibration: 77.2 vs 76.3; Speed: 67.5 vs 83.3; Cost: 32.3 vs 52.0.50100Intelligence46.4 · 53.1Calibration77.2 · 76.3Speed67.5 · 83.3Cost32.3 · 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, reflex-27b vs Jev 1.13.0. Easy: 100% vs 100%; Standard: 96% vs 99%; Judge: 96% vs 95%; Hard: 76% vs 74%; Sealed: 30% vs 37%.50100Easy100% · 100%Standard96% · 99%Judge96% · 95%Hard76% · 74%Sealed30% · 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), reflex-27b vs Jev 1.13.0. Ambiguous / abstain: 51% vs 43%; Judge: 57% vs 54%; Long policy: 41% vs 44%; Multi-hop: 59% vs 64%; Probability: 35% vs 63%; Temporal / numeric: 29% vs 28%; Trade-off: 45% vs 55%; Routing: 100% vs 100%; Trap / adversarial: 85% vs 83%; Paraphrase: 36% vs 64%; Safety judge: 44% vs 38%.50100Ambiguous /abstain51% · 43%Judge57% · 54%Long policy41% · 44%Multi-hop59% · 64%Probability35% · 63%Temporal /numeric29% · 28%Trade-off45% · 55%Routing100% · 100%Trap /adversarial85% · 83%Paraphrase36% · 64%Safety judge44% · 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, reflex-27b vs Jev 1.13.0. Ambiguous / abstain: 35% vs 30%; Judge: 37% vs 34%; Long policy: 15% vs 28%; Multi-hop: 39% vs 45%; Paraphrase: 36% vs 64%; Probability: 14% vs 50%; Safety judge: 44% vs 38%; Temporal / numeric: 23% vs 29%; Trade-off: 27% vs 38%; Trap / adversarial: 50% vs 42%.50100Ambiguous /abstain35% · 30%Judge37% · 34%Long policy15% · 28%Multi-hop39% · 45%Paraphrase36% · 64%Probability14% · 50%Safety judge44% · 38%Temporal /numeric23% · 29%Trade-off27% · 38%Trap /adversarial50% · 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
MIT code; Apache-2.0 Qwen weights
Cost evidence
estimated; the board’s row disclosure contains the published basis.
Endpoint condition
our RunPod GPU (H100 NVL 96 GB), reached over the internet
Note on this row
The frozen public Qwen3.8-27B checkpoint through reflex at the requested pinned commit, with two option orders averaged and temperature 1. No adapter or fitted calibration file. Run serially on our H100 NVL. Self-host latency receives the standard ×2 + 0.15 s adjustment; cost uses the exact base model's public hosted input tariff.
Published source
https://github.com/kshetrajna12/reflex

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.