Nano Banana 2.1 vs GPT-5
Price, context window & benchmark comparison
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Compare different models
Verdict: Nano Banana 2.1 is 13% cheaper than GPT-5 on a typical 3:1 input/output mix. GPT-5 has the larger context window (400K vs 66K).
| Nano Banana 2.1 | GPT-5 | |
|---|---|---|
| Input price / 1M | $1.50 | $1.25 |
| Output price / 1M | $7.50 | $10.00 |
| Blended price (3:1) | $3.00 | $3.44 |
| Cached input / 1M | — | $0.13 |
| Context window | 66K | 400K |
| Max output | 59K | 128K |
| Intelligence index | — | — |
| Coding index | — | 37.8 |
| Providers | 1 | — |
| Best provider uptime (30m) | 100.0% | — |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-10-06 | 2025-08-07 |
| Retirement | — | 2026-12-11 |
Cost calculator
FAQ
Which is cheaper, Nano Banana 2.1 or GPT-5?
Nano Banana 2.1 is 13% cheaper than GPT-5 on a typical 3:1 input/output mix.
Nano Banana 2.1 vs GPT-5: which has a bigger context window?
Nano Banana 2.1: 65,536 tokens. GPT-5: 400,000 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: Nano Banana 2.1 ≈ $6,750, GPT-5 ≈ $7,500.
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