DeepSeek: DeepSeek V4 Flash 0731 vs Qwen: Qwen3.5-Flash
They cost about the same for input tokens: DeepSeek: DeepSeek V4 Flash 0731 $0.065 per M, Qwen: Qwen3.5-Flash $0.065 per M. DeepSeek: DeepSeek V4 Flash 0731 is 1.4× cheaper for output tokens: DeepSeek: DeepSeek V4 Flash 0731 costs $0.18 per M and Qwen: Qwen3.5-Flash costs $0.26 per M. DeepSeek: DeepSeek V4 Flash 0731 reads more: DeepSeek: DeepSeek V4 Flash 0731 takes up to 1,310,720 tokens of context and Qwen: Qwen3.5-Flash up to 1,000,000. DeepSeek: DeepSeek V4 Flash 0731 accepts text; Qwen: Qwen3.5-Flash accepts image, text, video.
| DeepSeek: DeepSeek V4 Flash 0731 | Qwen: Qwen3.5-Flash | |
|---|---|---|
| Model id | deepseek/deepseek-v4-flash-0731 | qwen/qwen3.5-flash-02-23 |
| Input | $0.065 per M | $0.065 per M |
| Output | $0.18 per M | $0.26 per M |
| Context length | 1,310,720 tokens | 1,000,000 tokens |
| Accepts | text | image, text, video |
| Produces | text | text |
| Served by | deepseek | alibaba |
Prices are the providers' list prices per million tokens, as of . Both run on your own provider key through one OpenAI-compatible endpoint, with no fee on the tokens.