DeepSeek V4 Pro vs Nemotron 3 Ultra
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 DeepSeek V4 Pro if you need
- ✓Choose DeepSeek V4 Pro if you need strong coding performance and technical/STEM domain results.
- ✓Choose DeepSeek V4 Pro if you need the lowest output price at $0.87 per million tokens.
- ✓Choose DeepSeek V4 Pro if you need the fastest documented output speed of 79.81 tokens per second.
- ✓Choose DeepSeek V4 Pro if you need an open-weight model with a 1,048,576-token context.
Choose Nemotron 3 Ultra if you need
- ✓Choose Nemotron 3 Ultra if you need optimization for NVIDIA hardware deployment.
- ✓Choose Nemotron 3 Ultra if you need suitability for enterprise workflows.
- ✓Choose Nemotron 3 Ultra if you need strong reasoning on extended 1M-token inputs.
- ✓Choose Nemotron 3 Ultra if you need a proprietary model from NVIDIA.
Verdict
DeepSeek V4 Pro leads on measurable dimensions with a known intelligence_index of 51.5, output speed of 79.81 t/s, and price of $0.87 per million tokens versus Nemotron 3 Ultra's $2.5, plus open-weight access and explicit coding/STEM strengths. Nemotron 3 Ultra matches closely on million-token context handling and adds NVIDIA hardware optimization for enterprise use, but lacks disclosed intelligence or speed metrics. Overall, DeepSeek provides clearer advantages in cost, speed, and accessibility where data exists.
DeepSeek V4 Pro vs Nemotron 3 Ultra: side by side
| Spec | DeepSeek V4 Pro | Nemotron 3 Ultra | Winner |
|---|---|---|---|
| Intelligence | 51.5 | — | Tie |
| Output speed | 80 t/s | — | Tie |
| Output price | $0.87/1M | $2.50/1M | DeepSeek V4 Pro |
| Context | 1049K | 1000K | DeepSeek V4 Pro |
| Params | — | — | Tie |
| Type | Open-weight | Proprietary | Tie |
| Provider | DeepSeek | NVIDIA | Tie |
Detailed analysis
Pricing
Winner: DeepSeek V4 ProDeepSeek V4 Pro costs $0.87 per million tokens while Nemotron 3 Ultra costs $2.5 per million tokens. This makes DeepSeek substantially cheaper on output pricing. No other pricing details are provided for either model.
Context Length
Winner: TieDeepSeek V4 Pro offers 1,048,576 tokens and Nemotron 3 Ultra offers 1,000,000 tokens. Both handle million-token contexts effectively according to their listed strengths. The difference is minor and both exceed typical context needs.
Performance & Speed
Winner: DeepSeek V4 ProDeepSeek V4 Pro reports an intelligence_index of 51.5 and output speed of 79.81 t/s with explicit strengths in coding and STEM. Nemotron 3 Ultra has no disclosed intelligence or speed numbers but lists strong reasoning on long inputs. DeepSeek supplies the only concrete metrics here.
Deployment & Access
Winner: DeepSeek V4 ProDeepSeek V4 Pro is open-weight while Nemotron 3 Ultra is proprietary. Nemotron adds explicit optimization for NVIDIA hardware and enterprise workflows. DeepSeek therefore offers greater accessibility and flexibility outside NVIDIA ecosystems.
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
Nemotron 3 Ultra
Pros
- +Handles 1M-token contexts effectively
- +Strong reasoning on extended inputs
- +Optimized for NVIDIA hardware deployment
- +Suitable for enterprise workflows
Cons
- –Text-only modality
- –High compute needed for maximum context
- –Subject to typical LLM hallucinations
Summary: DeepSeek V4 Pro vs Nemotron 3 Ultra
DeepSeek V4 Pro is the stronger choice for most users needing lower cost, higher speed, coding performance, and open weights. Nemotron 3 Ultra fits best when NVIDIA hardware optimization and enterprise deployment are priorities. Both share text-only limitations and typical hallucination risks.
Frequently asked questions
DeepSeek V4 Pro at $0.87 per million tokens versus Nemotron 3 Ultra at $2.5 per million tokens.