This model is over 2 years old. The same company has since released something newer: Atria Dawn Preview (2026-09-18). The details below are still accurate for this model — it just is not what we would recommend today.
InternLM2.5-20B
Shanghai AI Lab🇨🇳 China
Shanghai AI Lab 20B model with 1M token context and near-perfect needle-in-haystack retrieval.
Context window200K tokens