Shanghai AI Lab Open-Sources Intern-S2-397B with Multimodal and Agent Powers

Shanghai AI Lab's InternLM team open-sourced Intern-S2-397B, a flagship multimodal MoE foundation model (397B total, 17B active parameters) built for reasoning, coding, and long-horizon scientific agents. The model is available on Hugging Face with day-one vLLM support.

2026-09-13 ~ 2026-09-14 · 3 related posts

• InternLM Releases Intern-S2-397B: Multimodal Model for Scientific AI and Long-Horizon Agents — jacek2023 · 2026-09-13
• Intern-S2-397B: Shanghai AI Lab's 397B-A17B scientific MoE lands day-0 in vLLM — vllm_project · 2026-09-14
• InternLM releases open-source Intern-S2-397B with multimodal and agent skills, vLLM day-0 support — Nunki08 · 2026-09-14