Claude Fable 5.1 vs Nano Banana 2.1
Price, context window & benchmark comparison
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Verdict: Nano Banana 2.1 is 6.7× cheaper than Claude Fable 5.1 on a typical 3:1 input/output mix. Claude Fable 5.1 has the larger context window (1M vs 66K).
| Claude Fable 5.1 | Nano Banana 2.1 | |
|---|---|---|
| Input price / 1M | $10.00 | $1.50 |
| Output price / 1M | $50.00 | $7.50 |
| Blended price (3:1) | $20.00 | $3.00 |
| Cached input / 1M | $0.25 | — |
| Context window | 1M | 66K |
| Max output | 128K | 59K |
| Intelligence index | 49.7 | — |
| Coding index | 80.7 | — |
| Providers | 4 | 1 |
| Best provider uptime (30m) | 100.0% | 100.0% |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-09-01 | 2026-10-06 |
| Retirement | — | — |
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FAQ
Which is cheaper, Claude Fable 5.1 or Nano Banana 2.1?
Nano Banana 2.1 is 6.7× cheaper than Claude Fable 5.1 on a typical 3:1 input/output mix.
Claude Fable 5.1 vs Nano Banana 2.1: which has a bigger context window?
Claude Fable 5.1: 1,000,000 tokens. Nano Banana 2.1: 65,536 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: Claude Fable 5.1 ≈ $45,000, Nano Banana 2.1 ≈ $6,750.
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