Apertus 1.5 launches in 8B and 70B sizes after 3.2M downloads

valentina__py · x · 2026-07-24

Apertus 1.5 ships in 8B and 70B sizes

The team is releasing Apertus 1.5 as a continued pretraining update to its Apertus 1.0 line, with two model sizes: 8B and 70B.

They also say the earlier Apertus 1.0 models have now passed 3.2 million community downloads, suggesting the line has already seen meaningful adoption.

Related event: Swiss AI Releases Apertus 1.5 Open Multimodal Models(3 posts)→

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