Swiss AI has released Apertus 1.5, a new family of open-source language models available in 8B and 70B parameter sizes. These models are designed to be multilingual and multimodal, capable of processing image, audio, and text inputs to generate text outputs. Apertus 1.5 supports a context length of up to 262,144 tokens and includes a "thinking mode" to enhance reasoning capabilities, aiming for performance comparable to other models of similar size. AI
IMPACT Introduces multimodal capabilities and long context windows in an open-source model, potentially enabling new applications.
RANK_REASON Frontier-lab model release with system card. [lever_c_demoted from frontier_release: ic=1 ai=1.0]
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