token.app › Compare › Qwen3.5-9B vs DeepSeek V4 Flash 0731
Qwen3.5-9B vs DeepSeek V4 Flash 0731
DeepSeek V4 Flash 0731 is 1.0× 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
| Qwen3.5-9B | DeepSeek V4 Flash 0731 | |
|---|---|---|
| Provider | Alibaba | DeepSeek |
| Input $/1M | $0.100 | $0.090 |
| Output $/1M | $0.150 | $0.180 |
| Blended $/1M | $0.113 | $0.113 |
| Context window | 262K | 1.0M |
| Max output | 262K | 384K |
| Released | Mar 2026 | Jul 2026 |
| Licence | Open weights | Open weights |
Choose Qwen3.5-9B if…
- No clear advantage on the data we hold.
Choose DeepSeek V4 Flash 0731 if…
- Costs less per token — $0.113 vs $0.113 blended
- Larger context window (1.0M)
- Newer model (released Jul 2026)
FAQ
Which is better, Qwen3.5-9B or DeepSeek V4 Flash 0731?
We do not hold independently-run benchmark scores covering both Qwen3.5-9B and DeepSeek V4 Flash 0731, so we make no quality claim. Their pricing and specifications are compared on this page.
Is Qwen3.5-9B cheaper than DeepSeek V4 Flash 0731?
DeepSeek V4 Flash 0731 is cheaper: $0.113 versus $0.113 per million tokens blended at 3:1 input:output. Input alone: $0.100 vs $0.090. Output alone: $0.150 vs $0.180.
What context windows do Qwen3.5-9B and DeepSeek V4 Flash 0731 have?
Qwen3.5-9B: 262,144 tokens. DeepSeek V4 Flash 0731: 1,048,576 tokens.
Who makes Qwen3.5-9B and DeepSeek V4 Flash 0731?
Qwen3.5-9B is made by Alibaba. DeepSeek V4 Flash 0731 is made by DeepSeek.