Nano Banana 2.1 vs Gemma 4 31B
Price, context window & benchmark comparison
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Compare different models
Verdict: Gemma 4 31B is 12.0× cheaper than Nano Banana 2.1 on a typical 3:1 input/output mix. Gemma 4 31B has the larger context window (262K vs 66K).
| Nano Banana 2.1 | Gemma 4 31B | |
|---|---|---|
| Input price / 1M | $1.50 | $0.20 |
| Output price / 1M | $7.50 | $0.40 |
| Blended price (3:1) | $3.00 | $0.25 |
| Cached input / 1M | — | — |
| Context window | 66K | 262K |
| Max output | 59K | 16K |
| Intelligence index | — | 4.4 |
| Coding index | — | 43.4 |
| Providers | 1 | — |
| Best provider uptime (30m) | 100.0% | — |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-10-06 | 2026-04-02 |
| Retirement | — | — |
Cost calculator
FAQ
Which is cheaper, Nano Banana 2.1 or Gemma 4 31B?
Gemma 4 31B is 12.0× cheaper than Nano Banana 2.1 on a typical 3:1 input/output mix.
Nano Banana 2.1 vs Gemma 4 31B: which has a bigger context window?
Nano Banana 2.1: 65,536 tokens. Gemma 4 31B: 262,144 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: Nano Banana 2.1 ≈ $6,750, Gemma 4 31B ≈ $600.00.
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