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22 Sept 202611 Rabiʻ II 1448 AH
Shanghai AI Lab Ships Intern-S2-397B Science Multimodal Model With Memory Decoder

Shanghai AI Lab Ships Intern-S2-397B Science Multimodal Model With Memory Decoder

Shanghai AI Laboratory has launched the Intern-S2-397B, a science-oriented multimodal foundation model, with open weights available on Hugging Face and ModelScope following its unveiling on September 13 at the 2026 Pujiang Innovation Forum. The Intern-S2 model targets long-horizon scientific work and features a pluggable Memory Decoder, allowing domain memory modules to be added without retraining the full model. Biology experiments with the Intern-MemDec-4B reportedly improved averages from 56.92 to 60.32.

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