Nano Banana 2.1 vs GPT Audio
Price, context window & benchmark comparison
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Verdict: Nano Banana 2.1 is 31% cheaper than GPT Audio on a typical 3:1 input/output mix. GPT Audio has the larger context window (128K vs 66K).
| Nano Banana 2.1 | GPT Audio | |
|---|---|---|
| Input price / 1M | $1.50 | $2.50 |
| Output price / 1M | $7.50 | $10.00 |
| Blended price (3:1) | $3.00 | $4.38 |
| Cached input / 1M | — | — |
| Context window | 66K | 128K |
| Max output | 59K | 16K |
| Intelligence index | — | — |
| Coding index | — | — |
| Providers | 1 | — |
| Best provider uptime (30m) | 100.0% | — |
| Vision input | Yes | No |
| Reasoning | Yes | No |
| Tool calling | Yes | Yes |
| Released | 2026-10-06 | 2026-01-19 |
| Retirement | — | — |
Cost calculator
FAQ
Which is cheaper, Nano Banana 2.1 or GPT Audio?
Nano Banana 2.1 is 31% cheaper than GPT Audio on a typical 3:1 input/output mix.
Nano Banana 2.1 vs GPT Audio: which has a bigger context window?
Nano Banana 2.1: 65,536 tokens. GPT Audio: 128,000 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: Nano Banana 2.1 ≈ $6,750, GPT Audio ≈ $10,000.
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