Nano Banana 2.1 vs gpt-oss-20b
Price, context window & benchmark comparison
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Compare different models
Verdict: gpt-oss-20b is 54.5× cheaper than Nano Banana 2.1 on a typical 3:1 input/output mix. gpt-oss-20b has the larger context window (131K vs 66K).
| Nano Banana 2.1 | gpt-oss-20b | |
|---|---|---|
| Input price / 1M | $1.50 | $0.03 |
| Output price / 1M | $7.50 | $0.13 |
| Blended price (3:1) | $3.00 | $0.055 |
| Cached input / 1M | — | $0.03 |
| Context window | 66K | 131K |
| Max output | 59K | 118K |
| Intelligence index | — | — |
| Coding index | — | 20.7 |
| Providers | 1 | — |
| Best provider uptime (30m) | 100.0% | — |
| Vision input | Yes | No |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-10-06 | 2025-08-05 |
| Retirement | — | — |
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FAQ
Which is cheaper, Nano Banana 2.1 or gpt-oss-20b?
gpt-oss-20b is 54.5× cheaper than Nano Banana 2.1 on a typical 3:1 input/output mix.
Nano Banana 2.1 vs gpt-oss-20b: which has a bigger context window?
Nano Banana 2.1: 65,536 tokens. gpt-oss-20b: 131,072 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: Nano Banana 2.1 ≈ $6,750, gpt-oss-20b ≈ $125.00.
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