Open-source 1.6T-parameter MoE with 49B active, built for advanced reasoning and long-horizon agents.
NVIDIA's open frontier reasoning model for orchestration, coding, and deep research.
No shared demos for these models yet.
No captured outputs for these models yet.
Both DeepSeek V4 Pro and Nemotron 3 Ultra are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.
DeepSeek V4 Pro has a lower blended cost. DeepSeek V4 Pro: $0.21 input / $0.42 output. Nemotron 3 Ultra: $0.60 input / $2.40 output.
DeepSeek V4 Pro has a larger context window: DeepSeek V4 Pro supports 1M tokens vs Nemotron 3 Ultra at 203K tokens.
Key differences: DeepSeek V4 Pro is significantly cheaper. Compare full specs on this page.
If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both DeepSeek V4 Pro and Nemotron 3 Ultra for free on idapt.app to see which performs better for your specific needs.