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25 LLM architecture blocks, side by side, in runnable PyTorch

GPT-2 to Kimi Linear is seven years of architecture research, and almost all of it fits in about twenty lines per model. Below are 25 decoder blocks — GPT-2, OPT, Llama 2/3/4, Gemma 2/3, Qwen 2.5/3/3-Next/3.5, OLMo 1/3, DeepSeek-V3, Phi-3/4, MiniMax-M2/M2.5, Mistral Large 3, Mistral Small 3.1, Kimi…

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  1. 2026-09-24 06:44 · DEV Community — Machine Learning
    25 LLM architecture blocks, side by side, in runnable PyTorch

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