DeepSeek V4.1 Flash vs Gemini 3 Flash Preview
Price, context window & benchmark comparison
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Verdict: DeepSeek V4.1 Flash is 5.4× cheaper than Gemini 3 Flash Preview on a typical 3:1 input/output mix.
| DeepSeek V4.1 Flash | Gemini 3 Flash Preview | |
|---|---|---|
| Input price / 1M | $0.14 | $0.50 |
| Output price / 1M | $0.42 | $3.00 |
| Blended price (3:1) | $0.21 | $1.13 |
| Cached input / 1M | $0.0042 | $0.05 |
| Context window | 1M | 1M |
| Max output | 131K | 66K |
| Intelligence index | 39.5 | — |
| Coding index | — | — |
| Providers | 26 | — |
| Best provider uptime (30m) | 100.0% | — |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-09-10 | 2025-12-17 |
| Retirement | — | — |
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FAQ
Which is cheaper, DeepSeek V4.1 Flash or Gemini 3 Flash Preview?
DeepSeek V4.1 Flash is 5.4× cheaper than Gemini 3 Flash Preview on a typical 3:1 input/output mix.
DeepSeek V4.1 Flash vs Gemini 3 Flash Preview: which has a bigger context window?
DeepSeek V4.1 Flash: 1,048,576 tokens. Gemini 3 Flash Preview: 1,048,576 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: DeepSeek V4.1 Flash ≈ $490.00, Gemini 3 Flash Preview ≈ $2,500.
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