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Gemma 4 26B A4B: The Open-Weight AI Model That Wakes Only 4B Params — Day 8/30

This story is from 2026-08-28. It is preserved in the archive; the latest stories are on the live feed.

TL;DR — Gemma 4 26B (A4B) is a 26-billion-parameter Mixture-of-Experts model that only activates about 4 billion parameters per token, which is why it's cheap and fast despite its size. Probes show it nailing interval-merging code and a two-pump math problem, with a minor slip on strict JSON format…

Read the full story at DEV Community — AI ↗

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  1. 2026-08-28 13:16 · DEV Community — AI
    Gemma 4 26B A4B: The Open-Weight AI Model That Wakes Only 4B Params — Day 8/30

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