priorsBuilder

Other · released 2026-09-03

K2 Horizon 375B A23B

Measured on 18 benchmarks.

General frontier

33.0

#73 of 136 models

includes estimates: 24% of the mix is measured for this model

Your mix’s benchmarks

2 of 8 measured

reasoning

Humanity's Last Exam

587 results
  1. #138default of 58732.0%

Leader: Opus 5.5 · 61.4%

knowledge

AA-Omniscience

526 results
  1. #146default of 526-3.0

Leader: Opus 5.5 · 46.4

All 18 benchmarks

show 16 more

agentic

AA-Briefcase v1.1

224 results
  1. #69default of 2241296

Leader: Sonnet 5.5 · 1823

agentic

AutomationBench-AA

219 results
  1. #97default of 21937.2%

Leader: Gemini 4 · 77.5%

agentic

τ³-Banking

206 results
  1. #54default of 20634.2%

Leader: Qwen 3.8 Max · 51.3%

coding

SciCode

226 results
  1. #152default of 22642.9%

Leader: Opus 5.5 · 66.9%

coding

Terminal-Bench v2.1-AA

238 results
  1. #69default of 23871.9%

Leader: Fable 5.1 · 91.4%

coding

Terminal-Bench v4-AA

216 results
  1. #118default of 2161.5%

Leader: Sonnet 5.5 · 63.6%

composite

AA Intelligence Index v4.3.2

610 results
  1. #114default of 61030.5

Leader: Opus 5.5 · 57.6

economics

GDP.pdf

210 results
  1. #144default of 2107.4%

Leader: Muse Wonder Full (Max) · 32.6%

economics

GDPval-AA v2.1

288 results
  1. #82default of 2881361

Leader: Opus 5.5 · 1866

knowledge

AA-Omniscience Accuracy

526 results
  1. #328default of 52618.2%

Leader: Fable 5.1 · 67.2%

knowledge

AA-Omniscience Non-hallucination

526 results
  1. #28default of 52674.1%

Leader: MiniCPM5-1B (Non-reasoning) · 99.1%

knowledge

GPQA Diamond

539 results
  1. #99default of 53987.3%

Leader: GPT-6 Astra · 96.3%

long-context

AA-LCR v1.1

523 results
  1. #82default of 52380.0%

Leader: Kimi K3 · 88.7%

reasoning

CritPt

529 results
  1. #157default of 5294.6%

Leader: Muse Wonder Full (Max) · 32.9%

speed

Latency (Time to First Token)

351 results
  1. #226default of 3514.0s

Leader: Gemini 2.5 Flash-Lite · 0.3s

speed

Output Speed (tokens/s)

351 results
  1. #126default of 351118.0

Leader: Celeris-1 · 1522.5