Gemini 4 Argon begins rolling out in Gemini app and Antigravity, but only if you pay

Developers will get 50 percent discounted API rates through November.

The short version

• Google revealed Gemini 4 Argon a few weeks ago, saying that it needed to move cautiously toward a full release because of the potential for nefarious use.
• Google seems to have worked all that out pretty quickly, though.
• Argon is beginning its wide rollout today , but it’s only coming to paying users at this time, and even those on lower-tier plans won’t have full access.

What happened

Nothing about Gemini 4 Argon’s capabilities has changed. Google still points to the benchmarks it published late last month as evidence of the model’s advanced reasoning and agentic coding capabilities.

Why it matters

The model is supposedly trained to refuse malicious instructions, and an automated misalignment monitor can stop processing if it detects an unintended workflow.

Summary by Nerd News Network. Read the full article at Ars Technica via the links above and below.