DeepSeek-V4-Pro-0813 vs Qwen3.8 Flash: Specs & Benchmark Comparison
DeepSeek-V4-Pro-0813 is developed by DeepSeek, while Qwen3.8 Flash comes from Alibaba. Both were released in August 2026. DeepSeek-V4-Pro-0813 is the larger model at roughly 1.6 trillion parameters, against 125 billion for Qwen3.8 Flash.
The two models share 4 published benchmarks. DeepSeek-V4-Pro-0813 leads on 3 of them, Qwen3.8 Flash on 1. The widest gaps are on Agents' Last Exam, where Qwen3.8 Flash scores 51.2% against 25.7%; Humanity's Last Exam, where DeepSeek-V4-Pro-0813 scores 60.0% against 35.9%. Averaged across everything we track, DeepSeek-V4-Pro-0813 sits at 60.6% and Qwen3.8 Flash at 68.5%.
Qwen3.8 Flash is the cheaper API at $0.15 per million input tokens and $0.47 per million output tokens, roughly 9 times cheaper than DeepSeek-V4-Pro-0813 at $1.32 and $3.96. Both accept a context window of about 1M tokens. DeepSeek-V4-Pro-0813 accepts text as input, while Qwen3.8 Flash accepts text, images, and video. On tooling, only DeepSeek-V4-Pro-0813 supports function calling and only DeepSeek-V4-Pro-0813 offers structured output.
| Characteristic | DeepSeek-V4-Pro-0813 | Qwen3.8 Flash |
|---|---|---|
| Company | DeepSeek | Alibaba |
| Release Date | August 13, 2026 | August 26, 2026 |
| Parameters | 1.6T | 125B |
| Multimodal | No | Yes |
| Context (input) | 1.0M | 1.0M |
| Context (output) | 393K | 131K |
| Input Price / 1M | $1.32 | $0.15 |
| Output Price / 1M | $3.96 | $0.47 |
| Average Score | 60.6% | 68.5% |
| Benchmarks | ||
| Agents' Last Exam | 25.7% | 51.2% |
| Humanity's Last Exam | 60.0% | 35.9% |
| NL2Repo | 61.5% | 48.1% |
| Toolathlon | 74.0% | 73.5% |
Visual Benchmark Comparison
Verdict
Qwen3.8 Flash leads in 2 out of 4 comparison categories.
Both models show comparable average scores: DeepSeek-V4-Pro-0813 — 0.6, Qwen3.8 Flash — 0.7.
Qwen3.8 Flash is 8.5x cheaper: input $0.15/1M vs $1.32/1M tokens.
Qwen3.8 Flash supports a larger context: 1M vs 1M tokens.
Both models were released around the same time: 8/13/2026 and 8/26/2026.
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Frequently Asked Questions
Which is better for coding — DeepSeek-V4-Pro-0813 or Qwen3.8 Flash?
Which model is cheaper — DeepSeek-V4-Pro-0813 or Qwen3.8 Flash?
Which has a larger context window — DeepSeek-V4-Pro-0813 or Qwen3.8 Flash?
The DeepSeek-V4-Pro-0813 and Qwen3.8 Flash 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-Pro-0813 or Qwen3.8 Flash page. See also the complete list of AI model comparisons.