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

The author ranks mainstream models by intelligence, cost, speed and ease of use, puts Opus 5.5 first, and writes only "?????" for Gemini 4, implying it can't be assessed yet.

Community reverse engineering of Google Antigravity 2.23.0 found model IDs and picker labels for Argon's low, medium and high reasoning modes, though it is not yet publicly selectable.

A leak says Nano Banana 3 Pro, codenamed gempix_3_pro, is based on the frontier model Gemini 4 Pro and is due before the end of 2026.

A video poll asks viewers which AI they like most, Gemini 4 Pro or Claude Opus 5.5, as a preference comparison.

A post claims Gemini 4 Argon will be released today for Ultra subscribers only, saying it is happening for real this time.

A post says Gemini 4 Argon is launching soon, already leads some leaderboards and is moving prediction markets, arguing Google's distribution across Search, YouTube and Android is the key advantage.

Ahead of the full Gemini 4 Argon launch, DeepMind published a GitHub repo called 'cryptids' containing tiny Turing machines and Lean proofs.

TestingCatalog says it has official confirmation that Gemini 4 Argon arrives today for Ultra subscribers, a signal ahead of the launch.

A comment argues that after Meta's Muse Wonder Full release, Gemini 4 Argon went from a frontier model to an upcoming model with something to prove.

Google Gemini team members posting a single word, 'Gemini', has fueled speculation that Gemini 4 Argon launches today, after the model was reportedly tested under the disguise of Gemini 3.8 Flash.

Free Gemini accounts will only offer Auto from October 9 and AI Plus drops Pro, while the flagship Gemini 4 Argon has no public API and is limited to 650+ Fairwind partners, with its output cap raised to 1 million tokens.

A user shares a prompt using the dirty tokens 'StarSrvGroupBody' and 'intFragmentation' that, on the Pro model in Gemini Web, can reveal whether an account has access to the expanded Gemini 4 Argon rollout.