Sage is #1 on JevBench | Levanto

JevBench leaderboard

#1 on JevBench.

  1. #1 Sage 1.3.0: 74.0
  2. #4 Jev 1.13.0: 71.5
  3. #6 Microsoft-Decision-1 Azure Foundry: 69.1
  4. #9 OpenAI Decisions: 62.5

0 25 50 75 100

Composite score, 0–100. Source: JevBench Decision API leaderboard (Benchmark Heaven), board v1.7.46, 14 Oct 2026

Leading key benchmarks.

Decision panel

11 benchmarks, 7,210 rows

Sage 1.4 89.4%

Jev 84.5%

213 tasks

Sage 1.4 203 / 213

Jev 186 / 213

100 tasks

Sage 1.4 94 / 100

Jev 71 / 100

Decision Index 0.2.1

reasoning off

Sage 1.4 61.0

Jev 57.9

Sage 1.4 with reasoning auto (Decision Index: off). Jev: published scores; JevBench public and multistep decisions are our runs of Jev 1.13.0.

Decision panel

11 benchmarks, 7,210 rows

Benchmark Rows Jev Sage 1.4 reasoning off Sage 1.4 reasoning auto
WinoGrande 1,000 90.7 88.2 87.4
FinancialPhraseBank 999 77.0 96.8 97.1
RAGTruth 1,500 77.3 87.4 87.7
JudgeBench 350 78.6 79.1 85.1
BBH 750 94.3 85.3 91.2
JevBench public hard 101 73.3 78.2 89.1
TabFact 500 89.8 91.4 91.8
ContractNLI 510 77.5 77.1 80.0
Circa 500 84.6 89.6 89.6
Belebele 500 95.0 96.8 96.6
TruthfulQA binary 500 92.0 82.8 83.2
Overall 7,210 84.5 88.1 89.4

Accuracy, %. Best per row in bold. Jev: published scores.

GPQA Diamond Accuracy $ / question Cost vs Opus alone
Claude Opus 5.5 alone · no router 89.4% $0.018 baseline
Sage Router · CQT 3 93.5% $0.005 −72%
Sage Router · CQT 2 93.5% $0.011 −39%
Jev Router 93.9% $0.016 −11%
Pareto 92.4% $0.011 −39%
OpenRouter Auto 88.2% $0.009 −50%
Sage Router · CQT 8 87.5% $0.0006 −97%

Source: OpenRouter router leaderboard, 4 Oct 2026. GPQA Diamond, 990 tasks; costs at OpenRouter prices; differences under ~4 points are within the margin of error.

Intelligence, at runtime

Sage / Levanto