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

Google says Gemini 4 Argon is gradually rolling out in Antigravity IDE, with eligible Pro and Ultra users getting access within 24 hours.

A user with work access to Gemini Argon Pro says it is powerful but has no middle ground, producing either huge analyses or tweet-length answers.

A long breakdown of Genie 4: live editable worlds, native audio, more realistic humans, with Gemini 4 Argon decomposing tasks and 3.8 Flash directing, still research preview at ~2 minutes of consistency.

Genie 4 adds real-time ambient audio and character dialogue, holds scenes for about two minutes, runs on Gemini 3.8 Flash, and pairs with Gemini 4 Argon for robot training.

A user says engineering students on Google Pro can upload exam papers to Gemini's Pro or Argon mode to get solutions, while NotebookLM struggles with non-theory material.

A developer ships a 600M-parameter Persian vision model built on Nemotron 3.5 Parse, claiming it competes with Gemini Argon on their benchmarks.

GBENCH posts GPT-6.1 Terra coding results placing it between Gemini 4 Argon and Claude Opus 5.5, and discusses coding-assistant usability differences.

A developer lists what one Gemini API key enables for agents—image/video understanding, audio, generation, TTS, cheap transcription and classification—and says Argon 4 is creative and uncorrelated with Claude/OpenAI models, near frontier but still behind Opus 5.5 for daily use.

Same prompt to Claude Opus 5.5, GPT-6 Astra, Grok 4.7 and Gemini 4 Argon to build a lobe pump; the author says Gemini's four-blade rotors look like propellers.

On the same Night Train prompt, Gemini 4 Argon finished in 4m20s for $3.40 — faster than Terra but judged to look like a mobile game.

The author used Gemini 4 Argon to reflect on Antigravity conversation history and build a slideshow of their design process, featuring illustrated SVG wireframes.

A developer claims he turned down an offer to work on Gemini App's upcoming Argon model, citing insufficient growth, and joined Anthropic to work on Fable 6.0 instead.