Your 7B Model Fits on a 4090 — Until You Open a 128K Context Window
This story is from 2026-10-11. It is preserved in the archive; the latest stories are on the live feed.
Researched October 2026. Architecture specs from public model cards; all numbers below are arithmetic, not my own benchmarks. In my last post I showed that a 7B model's weights need ~16 GB in FP16 — a comfortable fit on a 24 GB RTX 4090. Several readers asked the obvious follow-up: then why does my…
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- 2026-10-11 02:41 · DEV Community — AI
Your 7B Model Fits on a 4090 — Until You Open a 128K Context Window