A Dream of Spring for Open-Weight LLMs: 10 Architectures from Jan-Feb 2026
A Dream of Spring for Open-Weight LLMs: 10 Architectures from Jan-Feb 2026 A Round Up And Comparison of 10 Open-Weight LLM Releases in Spring 2026 If you have struggled a bit to keep up with open-weight model releases this month, this article should catch you up on the main themes. In this article, I will walk you through the ten main releases in chronological order, with a focus on the architecture similarities and differences: Arcee AI’s Trinity Large (Jan 27, 2026) Moonshot AI’s Kimi K2.5 (Jan 27, 2026) StepFun Step 3.5 Flash (Feb 1, 2026) Qwen3-Coder-Next (Feb 3, 2026) z.AI’s GLM-5 (Feb 12, 2026) MiniMax M2.5 (Feb 12, 2026) Nanbeige 4.1 3B (Feb 13, 2026) Qwen 3.5 (Feb 15, 2026) Ant Group’s Ling 2.5 1T & Ring 2.5 1T (Feb 16, 2026) Cohere’s Tiny Aya (Feb 17, 2026) Update 1:…