#25Institute of Foundation ModelsOpen weights

K2 Horizon 7B

A 7B open-weights model with a 520k-token context from the Institute of Foundation Models. Scores 21 on the Artificial Analysis Intelligence Index. Apache 2.0; no hosted API pricing published.

Official provider page Compare with another model

Overall: 36.2
Input $/M: —
Output $/M: —
Context: 524K
Released: Sep 3, 2026
Updated: Oct 3, 2026

Category scores

Reasoning & Math
rank 21
36.2
Open-source
rank 8
36.2
Best small model
rank 3
36.2

Overall rank history

Weekly snapshots. Lower is better.

Strengths

Tiny 7B model that runs on consumer hardware
Large 524k context window for its size
Open weights

Weaknesses

Weights only — no hosted API or published pricing
Low intelligence score (36.2)