# Most calibrated decision model — October 2026

As of Oct 15, 2026, Nace.AI Drex v2.0 (35B-A3B) is state of the art in Decision models, calibration (since Oct 14, 2026; sources Decision Index ECE; methodology v1.0).

Category board: https://isitsota.com/c/decision?slice=calibration

## Top 10

- #1 Nace.AI Drex v2.0 (35B-A3B)
- #2 Kev 27B (Kev 1.0, Qwen3.8-27B)
- #3 torchcast-decision-27b (Torchcast AI, Qwen3.8-27B fine-tune)
- #4 OneJev1.5-27B
- #5 Decider 31B (NVFP4)
- #6 OneJev1.5-9B
- #7 Sieve 31B
- #8 Fastino GLiDE no-thinking (28B)
- #9 Blink v0.3 26B-A4B (NVFP4)
- #10 vLLM-SR d3 (27B)

## Crown changes

- Oct 14, 2026 — Decision models: Nace.AI Drex v2.0 (35B-A3B) takes the crown

## Weights

- Decision Index Full: primary, weight 1
- JevBench: primary, weight 1
- Decision Index latency: display, weight 0
- JevBench price: display, weight 0
- Vendor decision claims: display, weight 0