Gemini 4 Argon, Google’s newest model
Gemini 4 Argon is Google’s newest frontier model, made widely available on 13 October 2026. In SelGPT it sits next to GPT-6.1 Sol, Claude and Kimi, and you can ask all of them the same question at once with Compare.
By the SelGPT team. Updated
Gemini 4 Argon is Google’s newest frontier model, built for hard problems and long, multi-step tasks. SelGPT includes it in Plus from $15.99 a month billed yearly, in the same chat as GPT-6.1 Sol, Claude Opus 5.5 and Kimi K3, and in Compare, where it answers side by side with them.
What it is good at
- Hard reasoning, analysis and long, multi-step tasks.
- Large codebases and long documents.
- Seeing how Google’s best compares: put it side by side with GPT-6.1 Sol, Claude and Kimi in Compare.
Plans
It draws from your plan’s monthly allowance, shown as a percentage in the app. GPT-6 Luna stays unlimited on paid plans when the allowance runs out.
Questions
Can I try Gemini 4 Argon without a Google AI subscription?
Yes. SelGPT includes Gemini 4 Argon in Plus, alongside GPT-6.1 Sol, Claude and Kimi, from $15.99 a month billed yearly.
Can I compare Gemini 4 Argon with ChatGPT and Claude?
Yes. Compare sends one question to GPT-6.1 Sol, Claude Sonnet 5.5, Gemini 4 Argon and Kimi K3 and shows their answers side by side in one reply.
Related
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