Alex Shapiro

Alex Shapiro is the co-founder of Atomic Chat and a local AI enthusiast. He writes about local language models, quantization, and practical model comparisons.

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Small SLM mascot sorting documents beside a larger LLM mascot assembling a puzzle

SLM vs LLM Compared on Quality, Speed and Memory

SLM vs LLM compared across nine local model configurations: quality on 74 tasks, generation speed, memory use, and energy for a classification task.

Guides

9/14/26

13 min read

Atomic Chat mascot comparing EXL3 and GGUF model files on two weighing platforms

EXL3 Quantization Compared with GGUF on Quality, Speed and VRAM

EXL3 vs GGUF tested on an RTX 5090: compare quantization quality, prompt speed, token generation, and VRAM, with a working ExLlamaV3 setup.

Guides

9/14/26

13 min read