token.app › Compare › Qwen3.5-Flash vs DeepSeek V4.1 Flash 1017
Qwen3.5-Flash vs DeepSeek V4.1 Flash 1017
Qwen3.5-Flash is 2.3× cheaper per token on a blended 3:1 basis. DeepSeek V4.1 Flash 1017 accepts the larger context window (1.0M).
Head to head
Blended price uses a 3:1 input:output mix
| Qwen3.5-Flash | DeepSeek V4.1 Flash 1017 | |
|---|---|---|
| Provider | Alibaba | DeepSeek |
| Input $/1M | $0.065 | $0.150 |
| Output $/1M | $0.260 | $0.600 |
| Blended $/1M | $0.114 | $0.262 |
| Context window | 1M | 1.0M |
| Max output | 66K | 393K |
| Released | Feb 2026 | Oct 2026 |
| Licence | Proprietary | Open weights |
Choose Qwen3.5-Flash if…
- Costs less per token — $0.114 vs $0.262 blended
Choose DeepSeek V4.1 Flash 1017 if…
- Larger context window (1.0M)
- Open weights — self-hostable
- Newer model (released Oct 2026)
FAQ
Which is better, Qwen3.5-Flash or DeepSeek V4.1 Flash 1017?
We do not hold independently-run benchmark scores covering both Qwen3.5-Flash and DeepSeek V4.1 Flash 1017, so we make no quality claim. Their pricing and specifications are compared on this page.
Is Qwen3.5-Flash cheaper than DeepSeek V4.1 Flash 1017?
Qwen3.5-Flash is cheaper: $0.114 versus $0.262 per million tokens blended at 3:1 input:output. Input alone: $0.065 vs $0.150. Output alone: $0.260 vs $0.600.
What context windows do Qwen3.5-Flash and DeepSeek V4.1 Flash 1017 have?
Qwen3.5-Flash: 1,000,000 tokens. DeepSeek V4.1 Flash 1017: 1,048,576 tokens.
Who makes Qwen3.5-Flash and DeepSeek V4.1 Flash 1017?
Qwen3.5-Flash is made by Alibaba. DeepSeek V4.1 Flash 1017 is made by DeepSeek.