DeepSeek V4.1 Flash vs Particle-1
Price, context window & benchmark comparison
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Verdict: DeepSeek V4.1 Flash is 2% cheaper than Particle-1 on a typical 3:1 input/output mix.
| DeepSeek V4.1 Flash | Particle-1 | |
|---|---|---|
| Input price / 1M | $0.045 | $0.05 |
| Output price / 1M | $0.50 | $0.50 |
| Blended price (3:1) | $0.16 | $0.16 |
| Cached input / 1M | $0.006 | $0.003 |
| Context window | 1M | 1M |
| Max output | 944K | 131K |
| Intelligence index | — | — |
| Coding index | — | — |
| Providers | 40 | — |
| Best provider uptime (30m) | 100.0% | — |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-09-10 | 2026-10-28 |
| Retirement | — | — |
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FAQ
Which is cheaper, DeepSeek V4.1 Flash or Particle-1?
DeepSeek V4.1 Flash is 2% cheaper than Particle-1 on a typical 3:1 input/output mix.
DeepSeek V4.1 Flash vs Particle-1: which has a bigger context window?
DeepSeek V4.1 Flash: 1,048,576 tokens. Particle-1: 1,048,576 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: DeepSeek V4.1 Flash ≈ $340.00, Particle-1 ≈ $350.00.
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