Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) vs Google: Gemma 4 31B (free)
Google: Gemma 4 31B (free) is cheaper on output tokens, while Google: Gemma 4 31B (free) offers a larger context window. Choose Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) or Google: Gemma 4 31B (free) based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) | Google: Gemma 4 31B (free) |
|---|---|---|
| Provider | ||
| Input / 1M tokens | $0.50 | $0.00 |
| Output / 1M tokens | $60.00 | $0.00 |
| Context window | 131K | 262K |
| Parameters | — | — |
| Open weights | No | — |
| Released | Feb 2026 | — |
Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) details →Google: Gemma 4 31B (free) details →
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.