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

A user post says the Gemini 4 Argon model has been released to Pro and Ultra subscribers in the Gemini app.

A user complains that Antigravity's Pro plan allows third-party frontier models like Opus and Sonnet 5.5, but trying Google's own Gemini 4 Argon requires an Ultra subscription.

jerrod_lew used Gemini 4 Argon to create a 3D modeling app and brought the model to life with generative video, saying the model excels at understanding complex tasks.

A comment congratulating the Gemini 4 Argon launch argues that CEOs posting directly on X cuts through better than press releases, and looks forward to what developers build with it.

A Google blog post shows Argon watching a human play cornhole, building a MuJoCo simulation on its own, and transferring the skill to an Apollo humanoid that sank seven straight shots.

A user jokes that Google's new Argon model is only available to the few people who pay for Ultra, leaving regular users with little access.

A joking post says Claude, Google and OpenAI keep shipping models in turn, with Gemini 4 Argon the latest, so three new ones appear before one can be tested.

A developer says Muse Wonder and Gemini 4 Argon sit in the same tier without truly pushing the frontier, so those switching between Codex and Claude need not change yet.

The author says Opus 5.5 rebuilt the Three.js demo from Google's Gemini 4 Argon launch video using one prompt and an 11-second reference clip, and shares a four-step workflow.

With the same prompt at max reasoning, Opus 5.5 took 15 minutes and $8.2 to generate a pixel-art future city, while Gemini 4 Argon took 13 minutes and $1.2 with similar visual quality.

A Turkish post says Gemini 4 Argon is now on OpenCode and usable with the $10 Go subscription, but the author warns against buying before confirming.

Argon left early access for paying customers, scored 68.90% on Vals AI's professional work index ahead of Claude Opus 5.5, supports 1M-token output, and its introductory API price doubles after November 30.