Qwen-Plus vs DeepSeek V4 Pro
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 if you need
- ✓Strong performance on coding tasks and technical/STEM domains with an intelligence_index of 51.5
- ✓Faster output at 79.81 tokens per second and a context window of 1,048,576 tokens
- ✓Clear and structured outputs for long inputs
- ✓Effective handling of very long technical documents
Choose DeepSeek V4 Pro if you need
- ✓Lower output price of $0.78 per million tokens
- ✓Strong multilingual support including Chinese and versatile instruction adherence
- ✓Competitive reasoning and coding performance on extremely long inputs
- ✓Context window of 1,000,000 tokens for large-scale multilingual tasks
Verdict
DeepSeek V4 Pro leads with a reported intelligence_index of 51.5, faster output speed, and marginally longer context, plus explicit strengths in coding and STEM. Qwen-Plus counters with a lower price of $0.78 per million tokens and unique multilingual advantages including Chinese. Both are open-weight text-only models with near-identical million-token contexts, leaving the choice dependent on whether measurable performance or cost and language support matters more.
Qwen-Plus vs DeepSeek V4 Pro: side by side
| Spec | Qwen-Plus | DeepSeek V4 Pro | Winner |
|---|---|---|---|
| Intelligence | — | 51.5 | Tie |
| Output speed | — | 80 t/s | Tie |
| Output price | $0.78/1M | $0.87/1M | Qwen-Plus |
| Context | 1000K | 1049K | DeepSeek V4 Pro |
| Params | — | — | Tie |
| Type | Open-weight | Open-weight | Tie |
| Provider | Alibaba Qwen | DeepSeek | Tie |
Detailed analysis
Performance
Winner: DeepSeek V4 ProDeepSeek V4 Pro reports an intelligence_index of 51.5 and lists explicit strengths in coding tasks plus technical and STEM domains. Qwen-Plus lists competitive reasoning and coding performance but provides no intelligence_index value. DeepSeek therefore has the only concrete performance metric available.
Pricing
Winner: Qwen-PlusQwen-Plus is priced at $0.78 per million tokens. DeepSeek V4 Pro is priced at $0.87 per million tokens. The $0.09 difference favors Qwen-Plus on cost.
Speed and Context
Winner: DeepSeek V4 ProDeepSeek V4 Pro provides an output speed of 79.81 tokens per second and a context of 1,048,576 tokens. Qwen-Plus lists a context of 1,000,000 tokens but no speed value. DeepSeek supplies the only speed data and a slightly larger context window.
Language and Versatility
Winner: Qwen-PlusQwen-Plus explicitly lists strong multilingual support including Chinese and versatile instruction adherence. DeepSeek V4 Pro does not mention multilingual capabilities. This dimension favors Qwen-Plus where language breadth is required.
Qwen-Plus
Pros
- +Handles extremely long inputs effectively
- +Strong multilingual support including Chinese
- +Competitive reasoning and coding performance
- +Versatile instruction adherence
Cons
- –Text-only modality with no vision support
- –Subject to regional content policies
- –Performance can vary on highly specialized domains
DeepSeek V4 Pro
Pros
- +Strong performance on coding tasks
- +Effective handling of very long inputs
- +Clear and structured outputs
- +Good at technical and STEM domains
Cons
- –Text-only modality
- –No real-time information access
- –Can produce hallucinations on facts
Summary: Qwen-Plus vs DeepSeek V4 Pro
Select DeepSeek V4 Pro when the intelligence_index, output speed, or STEM coding performance are priorities. Choose Qwen-Plus when lower price or Chinese/multilingual support is essential. Both models share open-weight status and near-equivalent long-context capabilities.
Frequently asked questions
DeepSeek V4 Pro is better when intelligence_index, speed, or STEM coding strength matter; Qwen-Plus is better for lower price and multilingual needs. No single winner exists without specific priorities.