DeepSeek V4.1 Flash vs Qwen 4 Max (Leaked Staging)
A direct, empirical evaluation of DeepSeek V4.1 Flash (DeepSeek-AI) against Qwen 4 Max (Leaked Staging) (Alibaba Cloud).
DeepSeek V4.1 Flash
Developed by DeepSeek-AI · 552B parameters
High-throughput software engineering, autonomous coding loops, terminal agents, 1M long-context retrieval, and low-cost production inference.
Qwen 4 Max (Leaked Staging)
Developed by Alibaba Cloud · 1.2 Trillion (Sparse MoE) parameters
Repository-scale software engineering outscoring GPT-6 Sol, multilingual enterprise agents across 120 languages, and low-cost 1M-token processing.
| Metric | DeepSeek V4.1 Flash | Qwen 4 Max (Leaked Staging) |
|---|---|---|
| SWE-bench Verified | 67.2% | 78.6% |
| MMLU-Pro | 78.4% | 91.4% |
| MATH-500 | 92.6% | 95.6% |
| Context Window | 1,000,000 tokens | 1,000,000 tokens |
| Input Pricing (per 1M) | $0.06 | $1.20 |
| Output Pricing (per 1M) | $0.22 | $4.80 |