Qwen: Qwen3.8 Max Prime vs DeepSeek: DeepSeek V4 Flash Vision Exp
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-07.
| Qwen: Qwen3.8 Max Prime | DeepSeek: DeepSeek V4 Flash Vision Exp | |
|---|---|---|
| Vendor | qwen | deepseek |
| Quality Score | 100 | 100 |
| Input Price | $4.00/M | $0.44/M |
| Output Price | $12.00/M | $1.32/M |
| Context Window | 1,000,000 | 1,048,576 |
| Max Output | 131,072 | 943,717 |
| 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 Flash Vision Exp costs $0.77 and Qwen3.8 Max Prime costs $7.00, so DeepSeek V4 Flash Vision Exp is about 9.1 times cheaper for the same work.
Both take in a similar amount of text: 1,000,000 and 1,048,576 tokens, about 1,500 and 1,573 pages.
Only Qwen3.8 Max Prime offers video input.
Across the 10 tasks where they differ, DeepSeek V4 Flash Vision Exp on 10 (SQL Generation, Code Completion, Code Documentation and others).
Qwen3.8 Max Prime was released in September 2026 and DeepSeek V4 Flash Vision Exp in August 2026.
Pick Qwen3.8 Max Prime if you need video input; pick DeepSeek V4 Flash Vision Exp if you need lower cost or the stronger all-round task scores.
Costs use current list prices per million tokens; page counts assume about 0.75 words per token and 500 words per page.
Who wins by task?
| Task | Qwen: Qwen3.8 Max Prime | DeepSeek: DeepSeek V4 Flash Vision Exp |
|---|---|---|
| SQL Generation | 132 | 133 |
| Code Completion | 116 | 131 |
| Code Documentation | 128 | 131 |
| Regex Writing | 116 | 119 |
| CSV / Spreadsheet Cleanup | 132 | 133 |
| JSON Extraction | 120 | 131 |
| Bulk Data Labeling | 117 | 129 |
| Long-Document Summarization | 136 | 137 |
| Short-Form Summarization | 112 | 123 |
| Blog Post Writing | 120 | 121 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →