DeepSeek V4 Pro 0423 vs Nano Banana 2 (Gemini 3.1 Flash Image)
Price, context window & benchmark comparison
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Verdict: Nano Banana 2 (Gemini 3.1 Flash Image) is 4% cheaper than DeepSeek V4 Pro 0423 on a typical 3:1 input/output mix. DeepSeek V4 Pro 0423 has the larger context window (1M vs 131K).
| DeepSeek V4 Pro 0423 | Nano Banana 2 (Gemini 3.1 Flash Image) | |
|---|---|---|
| Input price / 1M | $0.94 | $0.50 |
| Output price / 1M | $1.88 | $3.00 |
| Blended price (3:1) | $1.17 | $1.13 |
| Cached input / 1M | $0.0783 | — |
| Context window | 1M | 131K |
| Max output | 384K | 33K |
| Intelligence index | 30.4 | — |
| Coding index | 59.4 | — |
| Providers | 16 | 2 |
| Best provider uptime (30m) | 100.0% | 100.0% |
| Vision input | No | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | No |
| Released | 2026-04-24 | 2026-06-18 |
| Retirement | — | — |
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FAQ
Which is cheaper, DeepSeek V4 Pro 0423 or Nano Banana 2 (Gemini 3.1 Flash Image)?
Nano Banana 2 (Gemini 3.1 Flash Image) is 4% cheaper than DeepSeek V4 Pro 0423 on a typical 3:1 input/output mix.
DeepSeek V4 Pro 0423 vs Nano Banana 2 (Gemini 3.1 Flash Image): which has a bigger context window?
DeepSeek V4 Pro 0423: 1,048,576 tokens. Nano Banana 2 (Gemini 3.1 Flash Image): 131,072 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: DeepSeek V4 Pro 0423 ≈ $2,819, Nano Banana 2 (Gemini 3.1 Flash Image) ≈ $2,500.
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