DeepSeek V4.1 Flash vs GPT-6 Luna
A direct, empirical evaluation of DeepSeek V4.1 Flash (DeepSeek-AI) against GPT-6 Luna (OpenAI).
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.
GPT-6 Luna
Developed by OpenAI · Proprietary High-Throughput Distillation parameters
High-throughput document extraction, sub-second routing, customer service triage, code autocomplete, and cost-optimized reasoning via Luna Pro mode.
| Metric | DeepSeek V4.1 Flash | GPT-6 Luna |
|---|---|---|
| SWE-bench Verified | 67.2% | 48.2% |
| MMLU-Pro | 78.4% | 74.6% |
| MATH-500 | 92.6% | 84.1% |
| Context Window | 1,000,000 tokens | 1,050,000 tokens |
| Input Pricing (per 1M) | $0.06 | $0.10 |
| Output Pricing (per 1M) | $0.22 | $0.50 |