Latest open artifacts (#24): Motif-3, GLM-5.3, Hy4-preview and open model licenses

Avid Artifacts readers know that we have been covering not only models but also their licenses for quite some time. There was a period when custom licenses were all the rage, for example the custom Qwen2.5 72B-Instruct license or the Llama licenses. DeepSeek had a custom license for DeepSeek V3 before R1 changed it to MIT, which has resulted in many (Chinese) model makers adopting MIT or Apache 2.0 licenses in 2025.In 2026, open models are more competitive than ever, which has led to two interes...