R1 vs DeepSeek V4.1 Flash 1017
Price, context window & benchmark comparison
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Verdict: DeepSeek V4.1 Flash 1017 is 7.8× cheaper than R1 on a typical 3:1 input/output mix. DeepSeek V4.1 Flash 1017 scores higher on the Artificial Analysis Intelligence Index (28.6 vs 11.4). DeepSeek V4.1 Flash 1017 has the larger context window (1M vs 64K).
| R1 | DeepSeek V4.1 Flash 1017 | |
|---|---|---|
| Input price / 1M | $0.70 | $0.098 |
| Output price / 1M | $2.50 | $0.29 |
| Blended price (3:1) | $1.15 | $0.15 |
| Cached input / 1M | — | $0.0029 |
| Context window | 64K | 1M |
| Max output | 16K | 393K |
| Intelligence index | 11.4 | 28.6 |
| Coding index | 24.6 | — |
| Providers | — | 47 |
| Best provider uptime (30m) | — | 100.0% |
| Vision input | No | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2025-01-20 | 2026-10-17 |
| Retirement | — | — |
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FAQ
Which is cheaper, R1 or DeepSeek V4.1 Flash 1017?
DeepSeek V4.1 Flash 1017 is 7.8× cheaper than R1 on a typical 3:1 input/output mix.
R1 vs DeepSeek V4.1 Flash 1017: which has a bigger context window?
R1: 64,000 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: R1 ≈ $2,650, DeepSeek V4.1 Flash 1017 ≈ $343.00.
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