token.app › Compare › Qwen3.5 397B A17B vs DeepSeek V4 Flash 0731
Qwen3.5 397B A17B vs DeepSeek V4 Flash 0731
DeepSeek V4 Flash 0731 is 7.8× cheaper per token on a blended 3:1 basis. DeepSeek V4 Flash 0731 accepts the larger context window (1.0M).
Head to head
Blended price uses a 3:1 input:output mix
| Qwen3.5 397B A17B | DeepSeek V4 Flash 0731 | |
|---|---|---|
| Provider | Alibaba | DeepSeek |
| Input $/1M | $0.390 | $0.090 |
| Output $/1M | $2.34 | $0.180 |
| Blended $/1M | $0.877 | $0.113 |
| Context window | 262K | 1.0M |
| Max output | 66K | 384K |
| Released | Feb 2026 | Jul 2026 |
| Licence | Open weights | Open weights |
Choose Qwen3.5 397B A17B if…
- No clear advantage on the data we hold.
Choose DeepSeek V4 Flash 0731 if…
- Costs less per token — $0.113 vs $0.877 blended
- Larger context window (1.0M)
- Newer model (released Jul 2026)
FAQ
Which is better, Qwen3.5 397B A17B or DeepSeek V4 Flash 0731?
We do not hold independently-run benchmark scores covering both Qwen3.5 397B A17B and DeepSeek V4 Flash 0731, so we make no quality claim. Their pricing and specifications are compared on this page.
Is Qwen3.5 397B A17B cheaper than DeepSeek V4 Flash 0731?
DeepSeek V4 Flash 0731 is cheaper: $0.113 versus $0.877 per million tokens blended at 3:1 input:output. Input alone: $0.390 vs $0.090. Output alone: $2.34 vs $0.180.
What context windows do Qwen3.5 397B A17B and DeepSeek V4 Flash 0731 have?
Qwen3.5 397B A17B: 262,144 tokens. DeepSeek V4 Flash 0731: 1,048,576 tokens.
Who makes Qwen3.5 397B A17B and DeepSeek V4 Flash 0731?
Qwen3.5 397B A17B is made by Alibaba. DeepSeek V4 Flash 0731 is made by DeepSeek.
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