Gemini 3.5 Flash vs Gemini 4 Argon
Gemini 3.5 Flash is cheaper on output tokens. Choose Gemini 3.5 Flash or Gemini 4 Argon based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Gemini 3.5 Flash | Gemini 4 Argon |
|---|---|---|
| Provider | ||
| Input / 1M tokens | $1.50 | $2.00 |
| Output / 1M tokens | $9.00 | $10.00 |
| Context window | 1M | 1M |
| Parameters | — | — |
| Open weights | No | — |
| Released | May 2026 | — |
| LiveBench score | 75.8 | — |
| FrontierMath score | 39.0 | — |
| LMArena (Chatbot Arena) Elo score | 1482 | 1529 |
| Epoch Capabilities Index score | 155 | 166 |
| LMArena WebDev Elo score | 1499 | 1679 |
| LMArena Vision Elo score | 1308 | — |
| GPQA Diamond score | 92.8 | 96.4 |
FAQ
Is Gemini 3.5 Flash or Gemini 4 Argon cheaper?
Gemini 3.5 Flash is cheaper on output tokens ($9.00 vs $10.00 per 1M).
Which has the larger context window, Gemini 3.5 Flash or Gemini 4 Argon?
Both models offer a similar context window.
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.