Intern-S2-Preview-397B

The full-scale sibling to the efficient 36B Intern-S2-Preview: a 403B dense multimodal scientific foundation model (image + text + time-series), RL-trained across 20+ scientific domains with capabilities including biomolecular design and materials generation. 256K text context / 64K multimodal; BF16 with an FP8 sibling. Shanghai AI Lab's heavyweight AI-for-science model, staged for WAIC.