Apertus v1.5 8B
apertus-v1-5-8b
Fully open 8B multilingual multimodal LLM from the Swiss AI Initiative (ETH Zurich, EPFL, CSCS) supporting 1,000+ languages, with weights, training data, and methods fully documented. Apache 2.0.
Specification
most-agreed values
Context
131K
Max output
8K
Released
2026-10-15
Knowledge cutoff
—
Retires
—
Open weights
yes
Input
text, image, audio
Output
text
Price
US dollars per million tokens · most-agreed
Input
$0.0238
Output
$0.119
Cache read
$0.0036
Available from 1 host
| Host | In $/M | Out $/M | Cache rd | Cache wr | Context | Output | Retires |
|---|---|---|---|---|---|---|---|
| stepping-stone · apertus-ai | $0.0238 | $0.119 | $0.0036 | — | 131K | 8K | — |