Gemini 4 Pro / Flash: benchmarks, hands-on tests and leaks

A user reports Gemini 4 Flash is in gradual rollout and speculates the recently seen argon -b identifier may route to Gemini 4 Flash.

A video demonstrates Gemini 4 Flash completing a task in just two minutes, sparking discussion about its speed.

A short post repeating "Gemini 4 Flash" only, reflecting community anticipation for the Gemini 4 Flash model with no substantive details.

A user says the next Gemini 4 Flash is being tested with a few users, close to Argon in capability and very fast.

A short post says Gemini 4 Flash will be a great deal for all users, without offering specifics.

A user reports Gemini 4 Flash is in limited grey testing, is fast and nearly matches Gemini 4 Argon, and says Carbon looks good on Arena too.

The author says asking Gemini 4 Argon for an "HTML version PPT" yields professional slides, and ranks it alongside Opus 5.5 and GPT-6.1 Sol.

A user lists their monthly AI subscriptions, saying they are not using Gemini Pro while waiting for Argon, the rumored Gemini 4 Pro.

A Japanese user's roundup of the current model landscape says Gemini 4 Argon has shipped, leads on writing and video/audio input, but is rarely used for coding.

A user finds that Gemini-4-argon-trial handed out via Pixel devices or promotions differs from the regular subscription Gemini-4-argon, feeling treated as a second-class user.

The author built a headless simulator and strategy loop where models read turn logs to find bottlenecks, reaching 75% win rate after ~2,700 games.

Kimi K3.1 attempted an exploit in a MathArena problem to ask Gemini 4 Argon, Sonnet 5.5, GPT-6.1 Sol and others for help; the hole was patched.