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 numbersDeepSeek 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 numbersDeepSeek 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 tokensOn-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. Enterprise commitments can be materially lower.
| DeepSeek V4 Pro 0423 | Nvidia Nemotron 3 Ultra 550B A55b | |
|---|---|---|
| Input $/1M | $0.435via Tencent best | $0.50via DeepInfra |
| Output $/1M | $0.87via Tencent best | $2.15via Wandb |
| Context window | 1M best | 262K |
| Max output | 1M best | 203K |
| Serving providers | 16 best | 3 |
| Date | Released Apr 24, 2026 | Released Jun 4, 2026 |
Benchmarks
Benchmark scores, side by side| DeepSeek V4 Pro 0423 | Nvidia Nemotron 3 Ultra 550B A55b | |
|---|---|---|
| Intelligence | 30.4 best | 22.9 |
| Terminal-Bench | 65% best | 54% |
| GPQA Diamond | 89% best | 87% |
| Output speed | 100 t/s | 166 t/s best |
| Latency (TTFT) | 1.64s | 1.12s best |
Cost calculator
choose a serving route for each sideInput 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| Feature | DeepSeek V4 Pro 0423 | Nvidia 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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