Nano Banana 2.1 vs GPT-3.5 Turbo
Price, context window & benchmark comparison
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Verdict: GPT-3.5 Turbo is 4.0× cheaper than Nano Banana 2.1 on a typical 3:1 input/output mix. Nano Banana 2.1 has the larger context window (66K vs 16K).
| Nano Banana 2.1 | GPT-3.5 Turbo | |
|---|---|---|
| Input price / 1M | $1.50 | $0.50 |
| Output price / 1M | $7.50 | $1.50 |
| Blended price (3:1) | $3.00 | $0.75 |
| Cached input / 1M | — | — |
| Context window | 66K | 16K |
| Max output | 59K | 4K |
| Intelligence index | — | 5.5 |
| Coding index | — | 10.7 |
| Providers | 1 | — |
| Best provider uptime (30m) | 100.0% | — |
| Vision input | Yes | No |
| Reasoning | Yes | No |
| Tool calling | Yes | Yes |
| Released | 2026-10-06 | 2023-05-28 |
| Retirement | — | — |
Cost calculator
FAQ
Which is cheaper, Nano Banana 2.1 or GPT-3.5 Turbo?
GPT-3.5 Turbo is 4.0× cheaper than Nano Banana 2.1 on a typical 3:1 input/output mix.
Nano Banana 2.1 vs GPT-3.5 Turbo: which has a bigger context window?
Nano Banana 2.1: 65,536 tokens. GPT-3.5 Turbo: 16,385 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: Nano Banana 2.1 ≈ $6,750, GPT-3.5 Turbo ≈ $1,750.
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