Model comparison
Muse Spark 1.1 vs Nemotron 3 Ultra
Head-to-head evidence from 20 shared benchmark results across 5 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: Muse Spark 1.1 #6 (Supported); Nemotron 3 Ultra unranked (Not scored). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Muse Spark 1.1 and Nemotron 3 Ultra share 20 comparable benchmark results. 3 of 8 categories are comparable. 19 results are unique to Muse Spark 1.1; 18 to Nemotron 3 Ultra.
Updated July 23, 2026- Shared results
- 20
- Muse Spark 1.1 only
- 19
- Nemotron 3 Ultra only
- 18
- Comparable categories
- 3 / 8
Treat this as a split decision. Muse Spark 1.1 makes more sense if agentic is the priority; Nemotron 3 Ultra is the better fit if its strengths line up with your actual workload.
Confidence note. This is a partial-evidence comparison with 20 shared benchmark results across 5 evidence categories; 3 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
Muse Spark 1.1 and Nemotron 3 Ultra finish on the same BenchAlign overall score, so this is less about a single winner and more about where the edge shows up. The BenchAlign headline says tie; the benchmark table is where the real choice happens.
Category breakdown
Exact category averages are shown below. Not measured means BenchLM does not have enough sourced public coverage for that model and category.
| Category | Muse Spark 1.1 | Δ | Nemotron 3 Ultra |
|---|---|---|---|
| Agentic | Muse Spark 1.180.4 | Margin← 29.1 | Nemotron 3 Ultra51.3 |
| Knowledge | Muse Spark 1.162.1 | Margin← 8.3 | Nemotron 3 Ultra53.8 |
| Coding | Muse Spark 1.161.5 | Margin← 3.2 | Nemotron 3 Ultra58.3 |
| Reasoning | Muse Spark 1.1Not measured | MarginNo overlap | Nemotron 3 Ultra61.9 |
| Multilingual | Muse Spark 1.1Not measured | MarginNo overlap | Nemotron 3 Ultra83.0 |
| Multimodal | Muse Spark 1.188.4 | MarginNo overlap | Nemotron 3 UltraNot measured |
| Inst. Following | Muse Spark 1.1Not measured | MarginNo overlap | Nemotron 3 Ultra81.7 |
Decisive benchmark drivers
The largest measured benchmark gaps in this matchup, with exact reported values.
More
- Source ↗
HLE
KnowledgeA 62.1%B 26.7%Winner: Muse Spark 1.1Δ 35.4HLE: Muse Spark 1.1 scored 62.1%; Nemotron 3 Ultra scored 26.7%. Muse Spark 1.1 wins this benchmark. - Source ↗
Terminal-Bench 2.0
AgenticA 80%B 56.4%Winner: Muse Spark 1.1Δ 23.6Terminal-Bench 2.0: Muse Spark 1.1 scored 80%; Nemotron 3 Ultra scored 56.4%. Muse Spark 1.1 wins this benchmark.
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Muse Spark 1.1 | Nemotron 3 Ultra | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Muse Spark 1.1Not available | Nemotron 3 Ultra$0 input / $0 output | A complete price comparison is not available. |
| Generation speedtokens per second | Muse Spark 1.1Not available | Nemotron 3 UltraNot available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Muse Spark 1.1Not available | Nemotron 3 UltraNot available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Muse Spark 1.11M | Nemotron 3 Ultra1M | Listed context windows are equal. |
Benchmark Deep Dive
AgenticMuse Spark 1.1 wins27 benchmarks
| Benchmark | Muse Spark 1.1 | Nemotron 3 Ultra | Result |
|---|---|---|---|
| Terminal-Bench 2.0Source | 80% | 56.4% | Muse Spark 1.1 leads |
| MCP AtlasSource | 88.1% | — | Not comparable |
| ToolathlonSource | 75.6% | — | Not comparable |
| OSWorld-VerifiedSource | 80.8% | — | Not comparable |
| DeepSearchQASource | 84.9% | — | Not comparable |
| CyberGymSource | 59.0% | — | Not comparable |
| Finance Agent v2Source | 57.2% | — | Not comparable |
| deepSweSource | 53.3% | — | Not comparable |
| OSWorld 2.0Source | 14.2% | — | Not comparable |
| JobBenchSource | 54.7% | — | Not comparable |
| CybenchSource | 92.9% | — | Not comparable |
| ExploitGymSource | 0.8% | — | Not comparable |
| AA Agentic IndexSource | 37.5% | 27.4% | Muse Spark 1.1 leads |
| GDPval-AASource | 43.7% | 33.2% | Muse Spark 1.1 leads |
| GDPval-AASource | 1374 | 1164 | Muse Spark 1.1 leads |
| AA BriefcaseSource | 863 | 870 | Nemotron 3 Ultra leads |
| AA AutomationBenchSource | 42.8% | — | Not comparable |
| AA Harvey LABSource | 93.1% | 81.7% | Muse Spark 1.1 leads |
| AA Tau3 BankingSource | 25.2% | — | Not comparable |
| aaTerminalBench21Source | 77.9% | — | Not comparable |
| PinchBenchSource | — | 90.0% | Not comparable |
| BrowseCompSource | — | 44.4% | Not comparable |
| τ³-bench resultsSource | — | 70.9% | Not comparable |
| HLE w/ toolsSource | — | 37.4% | Not comparable |
| τ²-bench resultsSource | — | 83.3% | Not comparable |
| AA EnterpriseOps-GymSource | — | 28.9% | Not comparable |
| terminalBenchHardSource | — | 36.4% | Not comparable |
CodingMuse Spark 1.1 wins7 benchmarks
| Benchmark | Muse Spark 1.1 | Nemotron 3 Ultra | Result |
|---|---|---|---|
| Terminal-Bench 2.0Source | 80.0% | 56.4% | Muse Spark 1.1 leads |
| SWE-bench ProSource | 61.5% | — | Not comparable |
| AA Coding IndexSource | 71.3% | 49.3% | Muse Spark 1.1 leads |
| AA-SciCodeSource | 58.2% | 39.9% | Muse Spark 1.1 leads |
| SWE-bench VerifiedSource | — | 71.9% | Not comparable |
| SWE MultilingualSource | — | 67.7% | Not comparable |
| SciCodeSource | — | 44.6% | Not comparable |
Reasoning4 benchmarks
KnowledgeMuse Spark 1.1 wins13 benchmarks
| Benchmark | Muse Spark 1.1 | Nemotron 3 Ultra | Result |
|---|---|---|---|
| HLESource | 62.1% | 26.7% | Muse Spark 1.1 leads |
| HLE w/o toolsSource | 52.2% | 26.7% | Muse Spark 1.1 leads |
| HealthBench ProfessionalSource | 59.3% | — | Not comparable |
| Artificial Analysis Intelligence IndexSource | 50.6% | 37.8% | Muse Spark 1.1 leads |
| AA-GPQA DiamondSource | 89.8% | 86.7% | Muse Spark 1.1 leads |
| AA-HLESource | 45.1% | 26.6% | Muse Spark 1.1 leads |
| AA-Omniscience IndexSource | 18.0% | -0.8% | Muse Spark 1.1 leads |
| AA-Omniscience AccuracySource | 40.6% | 21.6% | Muse Spark 1.1 leads |
| AA-Omniscience Hallucination RateSource | 38.1% | 28.5% | Nemotron 3 Ultra leads |
| GPQASource | — | 87% | Not comparable |
| GPQA-DSource | — | 87.0% | Not comparable |
| MMLU-ProSource | — | 86.8% | Not comparable |
| AA Openness IndexSource | — | 83.3% | Not comparable |
Multilingual1 benchmarks
| Benchmark | Muse Spark 1.1 | Nemotron 3 Ultra | Result |
|---|---|---|---|
| MMLU-ProXSource | — | 83% | Not comparable |
Multimodal3 benchmarks
Frequently Asked Questions (4)
Which is better, Muse Spark 1.1 or Nemotron 3 Ultra?
Muse Spark 1.1 and Nemotron 3 Ultra are tied on the BenchAlign overall score, so the right pick depends on which category matters most for your use case.
Which is better for knowledge tasks, Muse Spark 1.1 or Nemotron 3 Ultra?
Muse Spark 1.1 has the edge for knowledge tasks in this comparison, averaging 62.1 versus 53.8. Inside this category, HLE is the benchmark that creates the most daylight between them.
Which is better for coding, Muse Spark 1.1 or Nemotron 3 Ultra?
Muse Spark 1.1 has the edge for coding in this comparison, averaging 61.5 versus 58.3. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.
Which is better for agentic tasks, Muse Spark 1.1 or Nemotron 3 Ultra?
Muse Spark 1.1 has the edge for agentic tasks in this comparison, averaging 80.4 versus 51.3. Inside this category, GDPval-AA is the benchmark that creates the most daylight between them.
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