InternLM releases Intern-S2, a 397-billion-parameter open science model that is a 406 GB download even in FP8
The InternLM team released Intern-S2-397B under Apache 2.0 on 11-13 September 2026, a multimodal mixture-of-experts model aimed at scientific reasoning and long agent tasks; the FP8 weights are a 406.3 GB download and the recommended setup is a node
