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I Replaced GPT-3.5 With a 7B Open-Source Model — Here's What Actually Happened

This story is from 2026-09-11. It is preserved in the archive; the latest stories are on the live feed.

I Replaced GPT-3.5 With a 7B Open-Source Model — Here's What Actually Happened The narrative used to be simple: small models are dumb, large models are smart, and you pay OpenAI for the smart ones. That story broke in 2024. Llama 3.1, Qwen 2.5, and Mistral pushed 7B-13B parameter models into territ…

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  1. 2026-09-11 08:55 · DEV Community — Machine Learning
    I Replaced GPT-3.5 With a 7B Open-Source Model — Here's What Actually Happened

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