Qwen Plus 0728 vs DeepSeek V4 Flash
A side-by-side comparison of two llm models — real specs, pricing, strengths and weaknesses, and a clear verdict on which to choose. Kept current by our agents.
Quick verdict: which should you choose?
Choose Qwen Plus 0728 if you need
- ✓Choose DeepSeek V4 Flash if you need the lowest price at $0.18 per million tokens for high-volume use.
- ✓Choose DeepSeek V4 Flash if you need fast inference at 103.73 tokens per second.
- ✓Choose DeepSeek V4 Flash if you need strong coding and STEM performance with a 46.5 intelligence index.
- ✓Choose DeepSeek V4 Flash if you need slightly larger context handling at 1,048,576 tokens.
Choose DeepSeek V4 Flash if you need
- ✓Choose Qwen Plus 0728 if you need strong Chinese-English bilingual performance.
- ✓Choose Qwen Plus 0728 if you need solid general reasoning in a 1M-token context.
- ✓Choose Qwen Plus 0728 if you prioritize an Alibaba Qwen provider model for bilingual tasks.
Verdict
DeepSeek V4 Flash leads on measurable performance metrics with a known intelligence index of 46.5, output speed of 103.73 t/s, and much lower price of $0.18 per million tokens versus Qwen Plus 0728's $0.78. Both models are open-weight and text-only with nearly identical context windows (1,048,576 vs 1,000,000 tokens), but DeepSeek adds explicit strengths in coding, STEM, and high-volume efficiency while Qwen emphasizes Chinese-English bilingual tasks. Qwen Plus 0728 trails due to missing benchmark data and higher cost.
Qwen Plus 0728 vs DeepSeek V4 Flash: side by side
| Spec | Qwen Plus 0728 | DeepSeek V4 Flash | Winner |
|---|---|---|---|
| Intelligence | — | 46.5 | Tie |
| Output speed | — | 104 t/s | Tie |
| Output price | $0.78/1M | $0.18/1M | DeepSeek V4 Flash |
| Context | 1000K | 1049K | DeepSeek V4 Flash |
| Params | — | — | Tie |
| Type | Open-weight | Open-weight | Tie |
| Provider | Alibaba Qwen | DeepSeek | Tie |
Detailed analysis
Pricing
Winner: DeepSeek V4 FlashDeepSeek V4 Flash costs $0.18 per million tokens while Qwen Plus 0728 costs $0.78 per million tokens. This makes DeepSeek substantially more cost-efficient for high-volume workloads based on the listed prices.
Speed and Intelligence
Winner: DeepSeek V4 FlashDeepSeek V4 Flash reports an intelligence index of 46.5 and output speed of 103.73 t/s. Qwen Plus 0728 provides no intelligence or speed figures, so no direct comparison is possible beyond DeepSeek's available data.
Context Handling
Winner: TieDeepSeek V4 Flash supports 1,048,576 tokens and Qwen Plus 0728 supports 1,000,000 tokens. Both are described as effective for very large or long-text contexts with only a minor difference in maximum length.
Specialized Strengths
Winner: DeepSeek V4 FlashDeepSeek V4 Flash lists explicit strengths in coding, STEM, and fast Flash-variant inference. Qwen Plus 0728 lists strengths in Chinese-English bilingual performance and general reasoning.
Qwen Plus 0728
Pros
- +Handles up to 1M token contexts
- +Strong Chinese-English bilingual performance
- +Solid general reasoning for an LLM
Cons
- –Text-only modality
- –No native vision or multimodal support
- –Knowledge cutoff inherent to training data
DeepSeek V4 Flash
Pros
- +Handles very large contexts effectively
- +Strong coding and STEM performance
- +Fast inference as a Flash variant
- +Cost-efficient for high-volume use
Cons
- –Text-only modality
- –May lag on nuanced creative tasks
- –Standard LLM hallucination risks
Summary: Qwen Plus 0728 vs DeepSeek V4 Flash
DeepSeek V4 Flash is the stronger choice for most users needing speed, low cost, coding performance, or maximum context length. Qwen Plus 0728 is preferable only when Chinese-English bilingual capabilities are the primary requirement. Both share open-weight text-only designs with comparable context sizes.
Frequently asked questions
DeepSeek V4 Flash is better on all available quantitative metrics including price, speed, and intelligence index while offering similar context size.