DeepSeek V4 Flash 0731 vs Qwen3 Next 80B A3B Instruct
Price, context window & benchmark comparison
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Verdict: DeepSeek V4 Flash 0731 is 3.2× cheaper than Qwen3 Next 80B A3B Instruct on a typical 3:1 input/output mix. DeepSeek V4 Flash 0731 has the larger context window (1M vs 262K).
| DeepSeek V4 Flash 0731 | Qwen3 Next 80B A3B Instruct | |
|---|---|---|
| Input price / 1M | $0.0434 | $0.09 |
| Output price / 1M | $0.30 | $1.10 |
| Blended price (3:1) | $0.11 | $0.34 |
| Cached input / 1M | $0.035 | — |
| Context window | 1M | 262K |
| Max output | 944K | 16K |
| Intelligence index | — | — |
| Coding index | 69.1 | — |
| Providers | 27 | — |
| Best provider uptime (30m) | 100.0% | — |
| Vision input | No | No |
| Reasoning | Yes | No |
| Tool calling | Yes | Yes |
| Released | 2026-07-31 | 2025-09-11 |
| Retirement | — | — |
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FAQ
Which is cheaper, DeepSeek V4 Flash 0731 or Qwen3 Next 80B A3B Instruct?
DeepSeek V4 Flash 0731 is 3.2× cheaper than Qwen3 Next 80B A3B Instruct on a typical 3:1 input/output mix.
DeepSeek V4 Flash 0731 vs Qwen3 Next 80B A3B Instruct: which has a bigger context window?
DeepSeek V4 Flash 0731: 1,048,576 tokens. Qwen3 Next 80B A3B Instruct: 262,144 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: DeepSeek V4 Flash 0731 ≈ $236.80, Qwen3 Next 80B A3B Instruct ≈ $730.00.
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