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

A leak claims the Flash model in the Gemini 4 family carries the internal codename Hydrogen, with no specs or launch timing yet.

A user reports Gemini suddenly became unavailable and speculates Google is shipping a new model, possibly Gemini 4 Flash or 4 Carbon.

The author is developing a Three.js skill for Gemini 4 Argon and used it to generate an interactive 3D web simulation of the 1949 MONIAC water-powered economic computer plus a demo video.

A roundup of upcoming model releases says Gemini 4 Carbon has shown up on Arena with stronger 3D capability than Argon, alongside Claude Fable 5.5, Qwen4 and GPT-6.1 Terra.

The creator recreated a Seedance 2.5 baby-dragon fantasy video using Gemini Argon and posted it as part one of a series.

A meme contrasts OpenAI and Anthropic naming schemes with Google's Gemini 4 Argon and Carbon, joking it names models after elements.

A user posts screenshots of trying Gemini 4 Argon after signing up through a student offer.

An image post complains that Gemini 4 Argon is getting dumber day by day, without offering specific tests or data.

A user spotted a new gemini-4-argon-c routing model in Antigravity, suspected to be the upcoming Gemini 4 Carbon, with a visible pelican-on-bicycle improvement.

The author argues OpenAI has ceded high-end enterprise competition, positioning GPT-6.1 Terra to defend budget users against Gemini 4 Flash and DeepSeek V4.1 Flash.

A video post claims Gemini 4 Argon casually beats GPT-6 Astra on a new computer-science research benchmark, with comparison footage attached.

The same supercar prompt run through each lab's own agent: Gemini 4 Argon took 8m41s and $0.48, succeeding on the second try.