DeepSeek V4.1 Flash vs Nano Banana 2 (Gemini 3.1 Flash Image Preview)
Price, context window & benchmark comparison
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Verdict: DeepSeek V4.1 Flash is 9.7× cheaper than Nano Banana 2 (Gemini 3.1 Flash Image Preview) on a typical 3:1 input/output mix. DeepSeek V4.1 Flash has the larger context window (1M vs 66K).
| DeepSeek V4.1 Flash | Nano Banana 2 (Gemini 3.1 Flash Image Preview) | |
|---|---|---|
| Input price / 1M | $0.022 | $0.50 |
| Output price / 1M | $0.40 | $3.00 |
| Blended price (3:1) | $0.12 | $1.13 |
| Cached input / 1M | $0.004 | — |
| Context window | 1M | 66K |
| Max output | 944K | 59K |
| Intelligence index | — | — |
| Coding index | — | — |
| Providers | 36 | — |
| Best provider uptime (30m) | 100.0% | — |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | No |
| Released | 2026-09-10 | 2026-02-26 |
| Retirement | — | — |
Cost calculator
FAQ
Which is cheaper, DeepSeek V4.1 Flash or Nano Banana 2 (Gemini 3.1 Flash Image Preview)?
DeepSeek V4.1 Flash is 9.7× cheaper than Nano Banana 2 (Gemini 3.1 Flash Image Preview) on a typical 3:1 input/output mix.
DeepSeek V4.1 Flash vs Nano Banana 2 (Gemini 3.1 Flash Image Preview): which has a bigger context window?
DeepSeek V4.1 Flash: 1,048,576 tokens. Nano Banana 2 (Gemini 3.1 Flash Image Preview): 65,536 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: DeepSeek V4.1 Flash ≈ $244.00, Nano Banana 2 (Gemini 3.1 Flash Image Preview) ≈ $2,500.
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