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DeepSeek V4 Flash (0731) vs Nemotron 3 Ultra

At a glance

The GA release of DeepSeek's efficiency-optimized V4 Flash, re-post-trained for coding, reasoning, and agent workflows.

1.0M ctx$0.02/$1.28 per M

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

203K ctx$0.60/$2.40 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
Sources:Epoch AI·OpenRouter· as of 2026-10-02
Cheaper68%
Reasoning & Knowledge
Graduate Science7%91.0%Factual Recall33.6%
Math
Competition Math9%94.4%
Agentic
Novel Reasoning61.4%
Reasoning
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch AI·OpenRouter· as of 2026-10-02
Reasoning & Knowledge
Graduate Science85.4%Factual Recall—
Math
Competition Math86.7%
Agentic
Novel Reasoning—
Specs
1.0M
Context
256K
Max output
Jul 2026
Released
203K
Context
101K
Max output
Jun 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input97%$0.02/M tokens
Output47%$1.28/M tokens
Cache read83%$0.02/M tokens
Live pricing, shown before you run
Input$0.60/M tokens
Output$2.40/M tokens
Cache read$0.12/M tokens
Chat with DeepSeek V4 Flash (0731)Go to model
Chat with Nemotron 3 UltraGo to model
Frequently Asked Questions: DeepSeek V4 Flash (0731) vs Nemotron 3 Ultra▼

Which is better, DeepSeek V4 Flash (0731) or Nemotron 3 Ultra?

▼

Both DeepSeek V4 Flash (0731) 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, DeepSeek V4 Flash (0731) or Nemotron 3 Ultra?

▼

DeepSeek V4 Flash (0731) has a lower blended cost. DeepSeek V4 Flash (0731): $0.02 input / $1.28 output. Nemotron 3 Ultra: $0.60 input / $2.40 output.

Which has a larger context window, DeepSeek V4 Flash (0731) or Nemotron 3 Ultra?

▼

DeepSeek V4 Flash (0731) has a larger context window: DeepSeek V4 Flash (0731) supports 1M tokens vs Nemotron 3 Ultra at 203K tokens.

What are the key differences between DeepSeek V4 Flash (0731) and Nemotron 3 Ultra?

▼

Key differences: DeepSeek V4 Flash (0731) is significantly cheaper. Compare full specs on this page.

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 DeepSeek V4 Flash (0731) and Nemotron 3 Ultra for free on idapt.app to see which performs better for your specific needs.

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