Significantly enhanced over Sonnet 3.7 in coding and reasoning tasks.
NVIDIA's open frontier reasoning model for orchestration, coding, and deep research.
No shared agent demos for these models yet.
No captured outputs for these models yet.
This model hasn't been benchmarked yet.
Both Claude Sonnet 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.
Nemotron 3 Ultra has a lower blended cost. Claude Sonnet 4: $3.00 input / $15.00 output. Nemotron 3 Ultra: $0.60 input / $3.60 output.
Nemotron 3 Ultra has a larger context window: Claude Sonnet 4 supports 200K tokens vs Nemotron 3 Ultra at 512K tokens.
Claude Sonnet 4 supports vision/image input, but Nemotron 3 Ultra does not.
Key differences: Nemotron 3 Ultra is significantly cheaper; only Claude Sonnet 4 supports vision input. 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 Claude Sonnet 4 and Nemotron 3 Ultra for free on idapt.app to see which performs better for your specific needs.