Muse Spark 1.2 vs Nvidia Nemotron 3 Ultra 550B A55b
API pricing, context window and capabilities for Muse Spark 1.2 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 numbersMuse Spark 1.2 wins on Terminal-Bench, on intelligence and on context window. Nvidia Nemotron 3 Ultra 550B A55b wins on price.
Price
Nvidia Nemotron 3 Ultra 550B A55b
Terminal-Bench
Muse Spark 1.2
Intelligence
Muse Spark 1.2
Context window
Muse Spark 1.2
Key takeaways
who wins on what, from the published numbersMuse Spark 1.2 wins
- Larger context window (1M vs 262K)
- More serving providers (4 vs 3)
- Has web search
Nvidia Nemotron 3 Ultra 550B A55b wins
- Cheaper input ($1.25 vs $0.50 /1M)
- Cheaper output ($4.25 vs $2.15 /1M)
- Higher max output (131K vs 203K)
Cheaper overall
Nvidia Nemotron 3 Ultra 550B A55b
$0.50 + $2.15 /1M
Larger context
Muse Spark 1.2
1M
More providers
Muse Spark 1.2
4 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.
| Muse Spark 1.2 | Nvidia Nemotron 3 Ultra 550B A55b | |
|---|---|---|
| Input $/1M | $1.25via Meta | $0.50via DeepInfra best |
| Output $/1M | $4.25via Meta | $2.15via Wandb best |
| Context window | 1M best | 262K |
| Max output | 131K | 203K best |
| Serving providers | 4 best | 3 |
| Date | Released Aug 5, 2026 | Released Jun 4, 2026 |
Benchmarks
Benchmark scores, side by side| Muse Spark 1.2 | Nvidia Nemotron 3 Ultra 550B A55b | |
|---|---|---|
| Intelligence | 39.6 best | 22.9 |
| Terminal-Bench | 80% best | 54% |
| GPQA Diamond | 90% best | 87% |
| Output speed | 291 t/s best | 166 t/s |
| Latency (TTFT) | 14.21s | 1.12s best |
Cost calculator
choose a serving route for each sideInput tokens / month
Output tokens / month
Muse Spark 1.2
via OpenRouter
$11
Nvidia Nemotron 3 Ultra 550B A55b
via DeepInfra
$4.70
Capabilities
feature support, side by side| Feature | Muse Spark 1.2 | 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, Muse Spark 1.2 or Nvidia Nemotron 3 Ultra 550B A55b?
Nvidia Nemotron 3 Ultra 550B A55b is cheaper for input ($1.25 vs $0.50 per 1M tokens) from DeepInfra. Nvidia Nemotron 3 Ultra 550B A55b is cheaper for output ($4.25 vs $2.15 per 1M tokens) from Wandb.
What is the context window difference between Muse Spark 1.2 and Nvidia Nemotron 3 Ultra 550B A55b?
Muse Spark 1.2 has a 1M-token context window and Nvidia Nemotron 3 Ultra 550B A55b has 262K tokens, so Muse Spark 1.2 can take a larger prompt.
How do Muse Spark 1.2 and Nvidia Nemotron 3 Ultra 550B A55b compare on benchmarks?
On the tracked benchmarks, Muse Spark 1.2 leads on Terminal-Bench, and Muse Spark 1.2 leads on intelligence.
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026
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