Microsoft's compact research model with strong STEM reasoning.
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 Phi 4 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.
Phi 4 has a lower blended cost. Phi 4: $0.07 input / $0.14 output. Nemotron 3 Ultra: $0.60 input / $2.40 output.
Nemotron 3 Ultra has a larger context window: Phi 4 supports 16K tokens vs Nemotron 3 Ultra at 203K tokens.
Key differences: Phi 4 is significantly cheaper; only Nemotron 3 Ultra offers extended reasoning mode. 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 Phi 4 and Nemotron 3 Ultra for free on idapt.app to see which performs better for your specific needs.