Nvidia Nemotron 3 Ultra 550B A55b vs Qwen3.8 27B
API pricing, context window and capabilities for Nvidia Nemotron 3 Ultra 550B A55b and Qwen3.8 27B, side by side. Prices are the cheapest listed serving route per 1M tokens, from LiteLLM and OpenRouter.
Verdict
computed from the published numbersQwen3.8 27B wins on price, on Terminal-Bench and on intelligence.
Price
Qwen3.8 27B
Terminal-Bench
Qwen3.8 27B
Intelligence
Qwen3.8 27B
Context window
Tied
Key takeaways
who wins on what, from the published numbersNvidia Nemotron 3 Ultra 550B A55b wins
- Higher max output (203K vs 33K)
Qwen3.8 27B wins
- Cheaper input ($0.50 vs $0.04 /1M)
- Cheaper output ($2.15 vs $1.49 /1M)
- More serving providers (3 vs 7)
Cheaper overall
Qwen3.8 27B
$0.04 + $1.49 /1M
Larger context
Tied
More providers
Qwen3.8 27B
7 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. An OpenRouter routed quote is the price of whichever upstream provider OpenRouter prefers today, so it moves day to day.
| Nvidia Nemotron 3 Ultra 550B A55b | Qwen3.8 27B | |
|---|---|---|
| Input $/1M | $0.50via DeepInfra | $0.04OpenRouter routed quote best |
| Output $/1M | $2.15via Wandb | $1.49via Cerebras best |
| Context window | 262K | 262K |
| Max output | 203K best | 33K |
| Serving providers | 3 | 7 best |
| Date | Released Jun 4, 2026 | Released Aug 14, 2026 |
Benchmarks
Benchmark scores, side by side| Nvidia Nemotron 3 Ultra 550B A55b | Qwen3.8 27B | |
|---|---|---|
| Intelligence | 22.9 | 33.7 best |
| Terminal-Bench | 54% | 80% best |
| GPQA Diamond | 87% | 91% best |
| Output speed | 166 t/s best | 45 t/s |
| Latency (TTFT) | 1.12s best | 3.83s |
Cost calculator
choose a serving route for each sideInput tokens / month
Output tokens / month
Nvidia Nemotron 3 Ultra 550B A55b
via DeepInfra
$4.70
Qwen3.8 27B
via OpenRouter
$2.50
Capabilities
feature support, side by side| Feature | Nvidia Nemotron 3 Ultra 550B A55b | Qwen3.8 27B |
|---|---|---|
| Vision | ✓ | ✓ |
| Tool use | ✓ | ✓ |
| Reasoning | ✓ | ✓ |
| Audio | — | — |
| Prompt caching | ✓ | ✓ |
| Structured output | ✓ | ✓ |
| Web search | — | — |
Related comparisons
Frequently asked questions
Which is cheaper, Nvidia Nemotron 3 Ultra 550B A55b or Qwen3.8 27B?
Qwen3.8 27B is cheaper for input ($0.50 vs $0.04 per 1M tokens) as an OpenRouter routed quote. Qwen3.8 27B is cheaper for output ($2.15 vs $1.49 per 1M tokens) from Cerebras.
What is the context window difference between Nvidia Nemotron 3 Ultra 550B A55b and Qwen3.8 27B?
Both Nvidia Nemotron 3 Ultra 550B A55b and Qwen3.8 27B have about a 262K-token context window.
How do Nvidia Nemotron 3 Ultra 550B A55b and Qwen3.8 27B compare on benchmarks?
On the tracked benchmarks, Qwen3.8 27B leads on Terminal-Bench, and Qwen3.8 27B leads on intelligence.
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026
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