DeepSeek-V4-Flash-0731 vs Qwen3.5 27B: Specs & Benchmark Comparison
DeepSeek-V4-Flash-0731 is developed by DeepSeek, while Qwen3.5 27B comes from Alibaba. Qwen3.5 27B was released in March 2026, and DeepSeek-V4-Flash-0731 followed 4 months later in July 2026. DeepSeek-V4-Flash-0731 is the larger model at roughly 304 billion parameters, against 27 billion for Qwen3.5 27B.
We have 9 benchmark results for DeepSeek-V4-Flash-0731 and 81 benchmark results for Qwen3.5 27B, but they were measured on different benchmarks, so there is no like-for-like scoreboard.
DeepSeek-V4-Flash-0731 is available through an API at $0.14 per million input tokens with a 1M-token context window. We do not track a hosted API for Qwen3.5 27B, so pricing and context cannot be compared directly.
| Characteristic | DeepSeek-V4-Flash-0731 | Qwen3.5 27B |
|---|---|---|
| Company | DeepSeek | Alibaba |
| Release Date | July 31, 2026 | March 1, 2026 |
| Parameters | 304B | 27B |
| Multimodal | No | No |
| Context (input) | 1.0M | — |
| Context (output) | 393K | — |
| Input Price / 1M | $0.14 | — |
| Output Price / 1M | $0.28 | — |
| Average Score | 57.5% | 70.3% |
Verdict
DeepSeek-V4-Flash-0731 leads in 1 out of 2 comparison categories.
Both models show comparable average scores: DeepSeek-V4-Flash-0731 — 0.6, Qwen3.5 27B — 0.7.
DeepSeek-V4-Flash-0731 is newer: released 7/31/2026 vs 3/1/2026.
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Frequently Asked Questions
Which is better for coding — DeepSeek-V4-Flash-0731 or Qwen3.5 27B?
Which model is cheaper — DeepSeek-V4-Flash-0731 or Qwen3.5 27B?
Which has a larger context window — DeepSeek-V4-Flash-0731 or Qwen3.5 27B?
The DeepSeek-V4-Flash-0731 and Qwen3.5 27B 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 Qwen3.5 27B page. See also the complete list of AI model comparisons.