DeepSeek V4 Flash 0423 vs DeepSeek V4.1 Flash 1017
Price, context window & benchmark comparison
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Verdict: DeepSeek V4 Flash 0423 is 23% cheaper than DeepSeek V4.1 Flash 1017 on a typical 3:1 input/output mix.
| DeepSeek V4 Flash 0423 | DeepSeek V4.1 Flash 1017 | |
|---|---|---|
| Input price / 1M | $0.09 | $0.098 |
| Output price / 1M | $0.18 | $0.29 |
| Blended price (3:1) | $0.11 | $0.15 |
| Cached input / 1M | $0.018 | $0.0029 |
| Context window | 1M | 1M |
| Max output | 393K | 393K |
| Intelligence index | — | 28.6 |
| Coding index | 56.2 | — |
| Providers | — | 47 |
| Best provider uptime (30m) | — | 100.0% |
| Vision input | No | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-04-24 | 2026-10-17 |
| Retirement | — | — |
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FAQ
Which is cheaper, DeepSeek V4 Flash 0423 or DeepSeek V4.1 Flash 1017?
DeepSeek V4 Flash 0423 is 23% cheaper than DeepSeek V4.1 Flash 1017 on a typical 3:1 input/output mix.
DeepSeek V4 Flash 0423 vs DeepSeek V4.1 Flash 1017: which has a bigger context window?
DeepSeek V4 Flash 0423: 1,048,576 tokens. DeepSeek V4.1 Flash 1017: 1,048,576 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: DeepSeek V4 Flash 0423 ≈ $270.00, DeepSeek V4.1 Flash 1017 ≈ $343.00.
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