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

A Japanese post says Gemini 4 Argon expanded access on October 13 to paid-plan users, highlighting long-document reading and complex problem structuring.

A Japanese outlet reports Google has publicly launched Gemini 4 Argon, rolling it out in stages to AI Ultra and Pro subscribers.

A timeline of GPT-6 Astra from AGI hype to being scrapped, ending with developers now using Opus 5.5 and Gemini 4 Argon instead.

A repeated all-caps warning tells people not to let Gemini 4 Argon touch their repo, without explaining what went wrong.

A user asks how others access Gemini 4 Argon and reports getting only roughly 12 minutes of usage on the Pro subscription.

A user shows the $8.99/mo AI Pro checkout converting remaining membership into 827 days, with next billing in 2029, and notes Gemini 4 access.

A user's screenshot shows only 4% of the 5-hour limit used while Gemini 4 Argon has already eaten 30% of the weekly quota from a single prompt, which they call worse than Anthropic's limits.

The poster asks whether people are still using Gemini 4 Argon a week after its loud launch day, or have already dropped it.

A user who got six months of free Gemini Pro with a $2,000 Pixel 11 Pro complains that using Argon in Anti-Gravity requires cancelling the free plan and paying for a month.

A side-by-side test had Gemini 4 Argon generate a Japanese station with a train and day/night cycle for $0.33 versus $10.54 for Claude Opus 5.5, which looked prettier.

Google's Logan Kilpatrick replied asking a user if they had tried Gemini 4 Argon, implicitly confirming the model's existence.

A user mocks the gap between Gemini Argon and Opus 4.5, calling the hype bait, without offering any benchmark evidence.