LLMs from 2023 to Today: Open-Weight Models, Long Context and Reasoning
A summary of the LLM world from GPT-4 to today with verified dates: the rise of open-weight models with Llama, Mistral, Qwen and Gemma, the context window growing from 2,048 tokens to a million, models that read images, and the reasoning models that came with o1 and DeepSeek-R1. We also discuss the difference between open-weight and open source, and why we give no model ranking.
6 Nov 2026
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6 min
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