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Apertus is the open source 8b and 70b LLM from swiss-ai. They've published both the base and the instruct sft models. Very cool that projects like this exist.
by cristoperb 6mo ago
Apertus is the open source 8b and 70b LLM from swiss-ai. They've published both the base and the instruct sft models. Very cool that projects like this exist.
https://apertvs.ai/pages/documentation/ https://apertvs.ai/pages/documentation/
- andsoitis 6mo agoIs it any good?
- cristoperb 6mo agoI haven't tried it for anything myself yet. The paper provides several benchmarks. The emphasis during training was on multi-language support (over 1800 languages are represented in its pre-training data, which is 40% non-English) and non-copyrighted training data... and the benchmarks seem to suffer for it. https://arxiv.org/abs/2509.14233 https://arxiv.org/abs/2509.14233
- nicolaric 6mo agoit's quite bad tbh. i've tried it for some time and i expected much more...
- khalic 6mo agoYes it’s not bad, although it’s not meant to be a chatbot, post training is limited, so it won’t feel as smooth as TOTL of course. The number of supported languages is mind boggling. Focus was on open data, languages and auditability. Their loss function is fancy, not sure about the effects
- reconnecting 6mo agoTech report: https://arxiv.org/pdf/2509.14233 https://arxiv.org/pdf/2509.14233