Gemini 4 Pro checkpoint spotted in Arena, 3D gains rival Sol-to-Astra jump

cedric_chee · x · 2026-09-17

A Gemini 4 Pro checkpoint has appeared in the Arena for testing. Early user impressions suggest its 3D capability is noticeably improved, with the gap feeling close (75% CI) to the jump from Sol to Astra — a sign Google's next-gen model is quietly being benchmarked in public.

Related event: Suspected Gemini 4 Pro Surfaces Anonymously on LMArena as '3.8 Flash'(13 posts)→

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