#20Institute of Foundation ModelsOpen weights

K2 Horizon MoVA 36B A4B

A 36B-parameter mixture-of-experts model with 4B active per token from the Institute of Foundation Models. Scores 25 on the Artificial Analysis Intelligence Index with a 520k-token context. Apache 2.0; no hosted API pricing published.

Official provider page Compare with another model

Overall: 43.1
Input $/M: —
Output $/M: —
Context: 524K
Released: Sep 3, 2026
Updated: Oct 3, 2026

Category scores

Reasoning & Math
rank 20
43.1
Open-source
rank 7
43.1
Best small model
rank 2
43.1

Overall rank history

Weekly snapshots. Lower is better.

Strengths

Best of the K2 Horizon family (small-model score 43.1)
Large 524k context window
Open weights with only 4B active parameters

Weaknesses

Weights only — no hosted API or published pricing
Well behind Qwen3.8 27B in the small-model class