Google DeepMind

Gemini 4 Argon is the new frontier model and is not on the public API yet. Gemini 3.8 Flash is the Gemini you can call today.

deepmind.google

Gemini 4 Argon

30 Sep 2026 · Closed · Google's return to the frontier tier. Index 53 at high, introductory $2 / $10, and a 1M output claim. The catch is access.

Gemini 3.8 Flash

2 Sep 2026 · Closed · The current public Gemini. Much faster than the frontier models, introductory pricing until the end of 2026, and a clear step below Argon on the index.