DeepSeek V4.1 Flash vs Qwen2.5 72B Instruct
Price, context window & benchmark comparison
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Verdict: DeepSeek V4.1 Flash is 3.2× cheaper than Qwen2.5 72B Instruct on a typical 3:1 input/output mix. DeepSeek V4.1 Flash has the larger context window (1M vs 33K).
| DeepSeek V4.1 Flash | Qwen2.5 72B Instruct | |
|---|---|---|
| Input price / 1M | $0.022 | $0.36 |
| Output price / 1M | $0.40 | $0.40 |
| Blended price (3:1) | $0.12 | $0.37 |
| Cached input / 1M | $0.004 | — |
| Context window | 1M | 33K |
| Max output | 944K | 16K |
| Intelligence index | — | — |
| Coding index | — | — |
| Providers | 36 | — |
| Best provider uptime (30m) | 100.0% | — |
| Vision input | Yes | No |
| Reasoning | Yes | No |
| Tool calling | Yes | Yes |
| Released | 2026-09-10 | 2024-09-19 |
| Retirement | — | — |
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FAQ
Which is cheaper, DeepSeek V4.1 Flash or Qwen2.5 72B Instruct?
DeepSeek V4.1 Flash is 3.2× cheaper than Qwen2.5 72B Instruct on a typical 3:1 input/output mix.
DeepSeek V4.1 Flash vs Qwen2.5 72B Instruct: which has a bigger context window?
DeepSeek V4.1 Flash: 1,048,576 tokens. Qwen2.5 72B Instruct: 32,768 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: DeepSeek V4.1 Flash ≈ $244.00, Qwen2.5 72B Instruct ≈ $920.00.
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