DeepSeek V4 Pro 0423 vs Nvidia Nemotron 3 Ultra 550B A55b

API pricing, context window and capabilities for DeepSeek V4 Pro 0423 and Nvidia Nemotron 3 Ultra 550B A55b, side by side. Prices are the cheapest listed serving route per 1M tokens, from LiteLLM and OpenRouter.

Verdict

computed from the published numbers

DeepSeek V4 Pro 0423 wins on price, on Terminal-Bench, on intelligence and on context window.

Price
DeepSeek V4 Pro 0423
Terminal-Bench
DeepSeek V4 Pro 0423
Intelligence
DeepSeek V4 Pro 0423
Context window
DeepSeek V4 Pro 0423

Key takeaways

who wins on what, from the published numbers

DeepSeek V4 Pro 0423 wins

  • Cheaper input ($0.435 vs $0.50 /1M)
  • Cheaper output ($0.87 vs $2.15 /1M)
  • Larger context window (1M vs 262K)
  • Higher max output (1M vs 203K)
  • More serving providers (16 vs 3)

Nvidia Nemotron 3 Ultra 550B A55b wins

  • Supports vision
Cheaper overall
DeepSeek V4 Pro 0423
$0.435 + $0.87 /1M
Larger context
DeepSeek V4 Pro 0423
1M
More providers
DeepSeek V4 Pro 0423
16 providers

Pricing & specs

cheapest listed route · per 1M tokens
On-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. Enterprise commitments can be materially lower.
DeepSeek V4 Pro 0423Nvidia Nemotron 3 Ultra 550B A55b
Input $/1M$0.435via Tencent best$0.50via DeepInfra
Output $/1M$0.87via Tencent best$2.15via Wandb
Context window1M best262K
Max output1M best203K
Serving providers16 best3
DateReleased Apr 24, 2026 Released Jun 4, 2026

Benchmarks

Benchmark scores, side by side
DeepSeek V4 Pro 0423Nvidia Nemotron 3 Ultra 550B A55b
Intelligence30.4 best22.9
Terminal-Bench65% best54%
GPQA Diamond89% best87%
Output speed100 t/s 166 t/s best
Latency (TTFT)1.64s 1.12s best

Cost calculator

choose a serving route for each side
Input tokens / month
Output tokens / month
DeepSeek V4 Pro 0423
via Tencent
$3.04
Nvidia Nemotron 3 Ultra 550B A55b
via DeepInfra
$4.70

Capabilities

feature support, side by side
FeatureDeepSeek V4 Pro 0423Nvidia Nemotron 3 Ultra 550B A55b
Vision—✓
Tool use✓✓
Reasoning✓✓
Audio——
Prompt caching✓✓
Structured output✓✓
Web search——

Related comparisons

Frequently asked questions

Which is cheaper, DeepSeek V4 Pro 0423 or Nvidia Nemotron 3 Ultra 550B A55b?
DeepSeek V4 Pro 0423 is cheaper for input ($0.435 vs $0.50 per 1M tokens) from Tencent. DeepSeek V4 Pro 0423 is cheaper for output ($0.87 vs $2.15 per 1M tokens) from Tencent.
What is the context window difference between DeepSeek V4 Pro 0423 and Nvidia Nemotron 3 Ultra 550B A55b?
DeepSeek V4 Pro 0423 has a 1M-token context window and Nvidia Nemotron 3 Ultra 550B A55b has 262K tokens, so DeepSeek V4 Pro 0423 can take a larger prompt.
How do DeepSeek V4 Pro 0423 and Nvidia Nemotron 3 Ultra 550B A55b compare on benchmarks?
On the tracked benchmarks, DeepSeek V4 Pro 0423 leads on Terminal-Bench, and DeepSeek V4 Pro 0423 leads on intelligence.
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026

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