Open-source language models

large-language-models characterized by publicly accessible weights, training methodologies, and architectures, typically distributed under permissive licenses like apache-20.

Key Characteristics

Notable Developments

  • Google Gemma 4 (2026-04-22):
    • A new family of models optimized for Edge AI via “edge versions” (E2B and E4B).
    • Features a 2.3B parameter multimodal architecture designed to approximate the reasoning capabilities of 70B parameter models.
    • Released under the apache-20 license.

Source Notes