head-to-head
DeepSeek: DeepSeek V4.1 Flash vs Qwen: Qwen3.8 Flash
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-07.
| DeepSeek: DeepSeek V4.1 Flash | Qwen: Qwen3.8 Flash | |
|---|---|---|
| Vendor | deepseek | qwen |
| Quality Score | 100 | 100 |
| Input Price | $0.05/M | $0.15/M |
| Output Price | $0.57/M | $0.47/M |
| Context Window | 1,048,576 | 1,000,000 |
| Max Output | 943,718 | 131,072 |
| Tool Calling | ✓ | ✓ |
| Structured Output | ✓ | ✓ |
| Reasoning Mode | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio | - | - |
The verdict
For a sample job of 1 million input tokens and 250,000 output tokens, DeepSeek V4.1 Flash costs $0.19 and Qwen3.8 Flash costs $0.27, so DeepSeek V4.1 Flash is about 1.4 times cheaper for the same work.
Both take in a similar amount of text: 1,048,576 and 1,000,000 tokens, about 1,573 and 1,500 pages.
Only Qwen3.8 Flash offers video input.
DeepSeek V4.1 Flash was released in September 2026 and Qwen3.8 Flash in August 2026.
Pick DeepSeek V4.1 Flash if you need lower cost; pick Qwen3.8 Flash if you need video input.
Costs use current list prices per million tokens; page counts assume about 0.75 words per token and 500 words per page.
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