The AI Infrastructure Stack
Overview  /  Tier I — Demand  /  Layer 02: Foundation Models
Sub-category 2.3

Open-Weight Challengers

Models released with downloadable weights — the “Linux of AI” thesis. Critical floor on closed-model API pricing.

Players

Players: Meta (Llama) META, Mistral Private, DeepSeek Private, Alibaba (Qwen) BABA, Moonshot (Kimi) Private, Zhipu (GLM) Private, 01.AI Private, Allen Institute / OLMo Private

Analysis coming soon — this page is scaffolding for deeper research into open-weight challengers.