Institute of Foundation Models, language model
K2 Horizon 375B A23B
Released Sep 3, 2026. Scored on 3 boards, holding the record on 1.
18Artificial Analysis Intelligence IndexRank 29 of 38
- Released
- Sep 3, 2026
- Price, in / out
- n/a
- per 1M tokens, list price
- Blended price
- n/a
- 3 input tokens per output token
- Context
- n/a
- Open weights
- No
Scores
The latest published score on each board, ranked against every model we track. Each score links to its source.
| Board | Score | Rank | Record | Date | Source | Readings |
|---|---|---|---|---|---|---|
| Artificial Analysis Intelligence IndexOverall | 18 | 29 of 38 | 58Claude Opus 5.5 | Oct 28, 2026 | artificialanalysis.ai | 1 |
| Artificial Analysis Coding IndexCoding and agents | 62 | 9 of 17 | 82Claude Fable 5.1 | Oct 28, 2026 | artificialanalysis.ai | 1 |
| Output speedSpeed | 793 | 1 of 34 | Record | Oct 28, 2026 | artificialanalysis.ai | 1 |
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