Apertus 1.5 70B
Apertus 1.5 70B.
Swiss AI Initiative Released July 24th, 2026 Family Apertus The lab's model card Compare with others 4
Benchmarks with a score
0
Ranked first, out of five or more models
0
In the top three
Swiss AI Initiative Jul 2026 Apertus 1.5 70B
Open weights Flagship
No Epoch Capabilities Index score yet
- CulturalRiddles 19.6% #9 /20
- LEXam-hard 24.4% #12 /15
Where it ranks
Its best score on each benchmark, and where that ranks among every model with a score there. We rank each model once, at its best setting.
Knowledge and language
| Benchmark | Score | Rank | Source | |
|---|---|---|---|---|
| CulturalRiddles | 19.6% | #9 of 20 | Official leaderboard | |
| SEA-HELM | 55.2 | #56 of 71 | Official leaderboard | |
| Last Translation Benchmark | 0.66 | #36 of 36 | Official leaderboard |
Professional work
| Benchmark | Score | Rank | Source | |
|---|---|---|---|---|
| LEXam-hard | 24.4% | #12 of 15 | Official leaderboard |