DeepSeek-V4-Flash-Max vs Qwen3.8 Max: Specs & Benchmark Comparison
DeepSeek-V4-Flash-Max is developed by DeepSeek, while Qwen3.8 Max comes from Alibaba. DeepSeek-V4-Flash-Max was released in April 2026, and Qwen3.8 Max followed 4 months later in August 2026. Qwen3.8 Max is the larger model at roughly 2.4 trillion parameters, against 284 billion for DeepSeek-V4-Flash-Max.
The two models share 4 published benchmarks. Qwen3.8 Max leads on 3 of them, DeepSeek-V4-Flash-Max on 1. The widest gaps are on Toolathlon, where Qwen3.8 Max scores 72.5% against 47.8%; SWE-Bench Pro, where Qwen3.8 Max scores 67.7% against 52.6%. Averaged across everything we track, DeepSeek-V4-Flash-Max sits at 72.8% and Qwen3.8 Max at 71.0%.
DeepSeek-V4-Flash-Max is the cheaper API at $0.14 per million input tokens and $0.28 per million output tokens, roughly 18 times cheaper than Qwen3.8 Max at $2.50 and $6.25. Both accept a context window of about 1M tokens. DeepSeek-V4-Flash-Max accepts text as input, while Qwen3.8 Max accepts text and images.
| Characteristic | DeepSeek-V4-Flash-Max | Qwen3.8 Max |
|---|---|---|
| Company | DeepSeek | Alibaba |
| Release Date | April 23, 2026 | August 2, 2026 |
| Parameters | 284B | 2.4T |
| Multimodal | No | Yes |
| Context (input) | 1.0M | 1.0M |
| Context (output) | 393K | 131K |
| Input Price / 1M | $0.14 | $2.50 |
| Output Price / 1M | $0.28 | $6.25 |
| Average Score | 72.8% | 71.0% |
| Benchmarks | ||
| Toolathlon | 47.8% | 72.5% |
| SWE-Bench Pro | 52.6% | 67.7% |
| GPQA | 88.1% | 92.6% |
| Humanity's Last Exam | 45.1% | 43.6% |
Visual Benchmark Comparison
Verdict
Both models show equal results — the choice depends on your specific use case.
Both models show comparable average scores: DeepSeek-V4-Flash-Max — 0.7, Qwen3.8 Max — 0.7.
DeepSeek-V4-Flash-Max is 20.8x cheaper: input $0.14/1M vs $2.50/1M tokens.
Same context size: 1M tokens.
Qwen3.8 Max is newer: released 8/2/2026 vs 4/23/2026.
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Frequently Asked Questions
Which is better for coding — DeepSeek-V4-Flash-Max or Qwen3.8 Max?
Which model is cheaper — DeepSeek-V4-Flash-Max or Qwen3.8 Max?
Which has a larger context window — DeepSeek-V4-Flash-Max or Qwen3.8 Max?
The DeepSeek-V4-Flash-Max and Qwen3.8 Max comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the DeepSeek-V4-Flash-Max or Qwen3.8 Max page. See also the complete list of AI model comparisons.