Understanding and Implementing Qwen3 From Scratch
Sebastian Raschka, PhD
Understanding and Implementing Qwen3 From Scratch
A Detailed Look at One of the Leading Open-Source LLMs
Previously, I compared the most notable open-weight architectures of 2025 in The Big LLM Architecture Comparison. Then, I zoomed in and discussed the various architecture components in From GPT-2 to gpt-oss: Analyzing the Architectural Advances on a conceptual level.
Since all good things come in threes, before covering some of the noteworthy research highlights of this summer, I wanted to...