Gemini 4 Pro reportedly testing on Arena under the alias "Gemini 3.8 Flash"
DaniDFdesign · reddit · 2026-09-28
A Reddit post compiles LMArena observations suggesting a model codenamed "Gemini 3.8 Flash" may actually be a hidden test of Gemini 4 Pro.
The poster separates confirmed facts from speculation, noting the naming-to-model mapping is unverified and Google has made no official statement.
Related event: Mysterious 'Gemini 3.8 Flash' Spotted Testing on LMArena(2 posts)→
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