token.app › Compare › Qwen3.8 Max vs DeepSeek V4 Flash 0731
Qwen3.8 Max vs DeepSeek V4 Flash 0731
Qwen3.8 Max leads on 5 of 5 shared benchmarks. DeepSeek V4 Flash 0731 is 27× cheaper per token on a blended 3:1 basis. DeepSeek V4 Flash 0731 accepts the larger context window (1.0M).
Head to head
Blended price uses a 3:1 input:output mix
| Qwen3.8 Max | DeepSeek V4 Flash 0731 | |
|---|---|---|
| Provider | Alibaba | DeepSeek |
| Input $/1M | $2.00 | $0.090 |
| Output $/1M | $6.00 | $0.180 |
| Blended $/1M | $3.00 | $0.113 |
| Context window | 1M | 1.0M |
| Max output | 131K | 384K |
| Released | Aug 2026 | Jul 2026 |
| Licence | Proprietary | Open weights |
| GPQA Diamond | 92.7% | 91.0% |
| FrontierMath T1–3 | 74.7% | 57.5% |
| FrontierMath T4 | 46.3% | 24.4% |
| SimpleQA Verified | 46.3% | 34.7% |
| OTIS Mock AIME | 99.4% | 94.4% |
Benchmark scores independently run and published by Epoch AI, 'AI Benchmarking Hub', used under CC BY 4.0. Only benchmarks with a score for BOTH models are compared.
Choose Qwen3.8 Max if…
- Higher GPQA Diamond (92.7% vs 91.0%)
- Higher FrontierMath T1–3 (74.7% vs 57.5%)
- Higher FrontierMath T4 (46.3% vs 24.4%)
- Higher SimpleQA Verified (46.3% vs 34.7%)
- Newer model (released Aug 2026)
Choose DeepSeek V4 Flash 0731 if…
- Costs less per token — $0.113 vs $3.00 blended
- Larger context window (1.0M)
- Open weights — self-hostable
FAQ
Which is better, Qwen3.8 Max or DeepSeek V4 Flash 0731?
Across the 5 benchmarks both models have independently-run scores for, Qwen3.8 Max leads on 5 and DeepSeek V4 Flash 0731 leads on 0. Benchmarks are one input — price and context window are on this page too.
Is Qwen3.8 Max cheaper than DeepSeek V4 Flash 0731?
DeepSeek V4 Flash 0731 is cheaper: $0.113 versus $3.00 per million tokens blended at 3:1 input:output. Input alone: $2.00 vs $0.090. Output alone: $6.00 vs $0.180.
What context windows do Qwen3.8 Max and DeepSeek V4 Flash 0731 have?
Qwen3.8 Max: 1,000,000 tokens. DeepSeek V4 Flash 0731: 1,048,576 tokens.
Who makes Qwen3.8 Max and DeepSeek V4 Flash 0731?
Qwen3.8 Max is made by Alibaba. DeepSeek V4 Flash 0731 is made by DeepSeek.