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Hunyuan 4 Preview vs Nemotron 3 Ultra

At a glance

Tencent's Hunyuan 4 preview, built for coding agents and complex tool-use workflows.

1.0M ctx$0.83/$2.50 per M

NVIDIA's open frontier reasoning model for orchestration, coding, and deep research.

512K ctx$0.60/$3.60 per M
Demos
All demos

No shared demos for these models yet.

AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Cheaper7%
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Specs
1.0M
Context
64K
Max output
Aug 2026
Released
512K
Context
16K
Max output
Jun 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input$0.83/M tokens
Output31%$2.50/M tokens
Cache read79%$0.04/M tokens
Live pricing, shown before you run
Input28%$0.60/M tokens
Output$3.60/M tokens
Cache read$0.20/M tokens
Chat with Hunyuan 4 PreviewGo to model
Chat with Nemotron 3 UltraGo to model
Frequently Asked Questions: Hunyuan 4 Preview vs Nemotron 3 Ultra▼

Which is better, Hunyuan 4 Preview or Nemotron 3 Ultra?

▼

Both Hunyuan 4 Preview 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.

Which is cheaper, Hunyuan 4 Preview or Nemotron 3 Ultra?

▼

Hunyuan 4 Preview has a lower blended cost. Hunyuan 4 Preview: $0.83 input / $2.50 output. Nemotron 3 Ultra: $0.60 input / $3.60 output.

Which has a larger context window, Hunyuan 4 Preview or Nemotron 3 Ultra?

▼

Hunyuan 4 Preview has a larger context window: Hunyuan 4 Preview supports 1M tokens vs Nemotron 3 Ultra at 512K tokens.

What are the key differences between Hunyuan 4 Preview and Nemotron 3 Ultra?

▼

Hunyuan 4 Preview and Nemotron 3 Ultra have similar overall capabilities. The main differences lie in pricing, context window size, and provider-specific strengths. Use this comparison page to review all metrics side by side.

Which model should I choose for my use case?

▼

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 Hunyuan 4 Preview and Nemotron 3 Ultra for free on idapt.app to see which performs better for your specific needs.

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