DeepSeek-V4-Flash-0731 vs Qwen3.6 Plus: Specs & Benchmark Comparison
DeepSeek-V4-Flash-0731 is developed by DeepSeek, while Qwen3.6 Plus comes from Alibaba. Qwen3.6 Plus was released in March 2026, and DeepSeek-V4-Flash-0731 followed 4 months later in July 2026. DeepSeek-V4-Flash-0731 has a published size of about 304 billion parameters; Alibaba has not disclosed the parameter count of Qwen3.6 Plus.
The two models share 2 published benchmarks. DeepSeek-V4-Flash-0731 leads on 2 of them. The widest gaps are on Toolathlon, where DeepSeek-V4-Flash-0731 scores 70.0% against 39.8%; NL2Repo, where DeepSeek-V4-Flash-0731 scores 54.2% against 37.9%. Averaged across everything we track, DeepSeek-V4-Flash-0731 sits at 57.5% and Qwen3.6 Plus at 74.5%.
DeepSeek-V4-Flash-0731 is the cheaper API at $0.14 per million input tokens and $0.28 per million output tokens, roughly 4 times cheaper than Qwen3.6 Plus at $0.50 and $3. Both accept a context window of about 1M tokens. DeepSeek-V4-Flash-0731 accepts text as input, while Qwen3.6 Plus accepts text and images.
| Characteristic | DeepSeek-V4-Flash-0731 | Qwen3.6 Plus |
|---|---|---|
| Company | DeepSeek | Alibaba |
| Release Date | July 31, 2026 | March 31, 2026 |
| Parameters | 304B | — |
| Multimodal | No | Yes |
| Context (input) | 1.0M | 1.0M |
| Context (output) | 393K | 66K |
| Input Price / 1M | $0.14 | $0.50 |
| Output Price / 1M | $0.28 | $3.00 |
| Average Score | 57.5% | 74.5% |
| Benchmarks | ||
| Toolathlon | 70.0% | 39.8% |
| NL2Repo | 54.2% | 37.9% |
Visual Benchmark Comparison
Verdict
DeepSeek-V4-Flash-0731 leads in 2 out of 4 comparison categories.
Both models show comparable average scores: DeepSeek-V4-Flash-0731 — 0.6, Qwen3.6 Plus — 0.7.
DeepSeek-V4-Flash-0731 is 8.3x cheaper: input $0.14/1M vs $0.50/1M tokens.
Same context size: 1M tokens.
DeepSeek-V4-Flash-0731 is newer: released 7/31/2026 vs 3/31/2026.
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Frequently Asked Questions
Which is better for coding — DeepSeek-V4-Flash-0731 or Qwen3.6 Plus?
Which model is cheaper — DeepSeek-V4-Flash-0731 or Qwen3.6 Plus?
Which has a larger context window — DeepSeek-V4-Flash-0731 or Qwen3.6 Plus?
The DeepSeek-V4-Flash-0731 and Qwen3.6 Plus 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-0731 or Qwen3.6 Plus page. See also the complete list of AI model comparisons.