Nano Banana 2.1 vs GPT-5 Pro
Price, context window & benchmark comparison
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Compare different models
Verdict: Nano Banana 2.1 is 13.8× cheaper than GPT-5 Pro on a typical 3:1 input/output mix. GPT-5 Pro has the larger context window (400K vs 66K).
| Nano Banana 2.1 | GPT-5 Pro | |
|---|---|---|
| Input price / 1M | $1.50 | $15.00 |
| Output price / 1M | $7.50 | $120.00 |
| Blended price (3:1) | $3.00 | $41.25 |
| Cached input / 1M | — | — |
| Context window | 66K | 400K |
| Max output | 59K | 128K |
| Intelligence index | — | — |
| Coding index | — | — |
| Providers | 1 | — |
| Best provider uptime (30m) | 100.0% | — |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-10-06 | 2025-10-06 |
| Retirement | — | 2026-12-11 |
Cost calculator
FAQ
Which is cheaper, Nano Banana 2.1 or GPT-5 Pro?
Nano Banana 2.1 is 13.8× cheaper than GPT-5 Pro on a typical 3:1 input/output mix.
Nano Banana 2.1 vs GPT-5 Pro: which has a bigger context window?
Nano Banana 2.1: 65,536 tokens. GPT-5 Pro: 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 Pro ≈ $90,000.
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