# Muse Spark 1.1 vs Nemotron 3 Ultra

> Side-by-side benchmark comparison for Muse Spark 1.1 and Nemotron 3 Ultra across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/muse-spark-1-1-vs-nemotron-3-ultra
- Last updated: October 7, 2026

- Shared sourced benchmarks: 9
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Muse Spark 1.1 leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Muse Spark 1.1 has the higher overall point estimate 65.95 to 46.68. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in coding, where the averages are 54.2 for Muse Spark 1.1 and 23.4 for Nemotron 3 Ultra.
- The biggest single benchmark swing is HLE in Knowledge, with scores of 62.1% and 26.7%.

## Model Snapshot

| Property | Muse Spark 1.1 | Nemotron 3 Ultra |
|----------|----------|----------|
| Creator | Meta | NVIDIA |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Overall Score | 65.95 | 46.68 |
| Benchmarks Covered | 26 | 24 |
| Pricing (input/output) | N/A | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Muse Spark 1.1
- Muse Spark 1.1 public-lane score: 56.9 (Supported · #32/122)
- Nemotron 3 Ultra public-lane score: 26.9 (Supported · #93/122)

| Benchmark | Muse Spark 1.1 | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 80.0% | 56.4% | Muse Spark 1.1 |
| MCP Atlas | 88.1% | Coming soon | Coming soon |
| Toolathlon | 75.6% | Coming soon | Coming soon |
| OSWorld-Verified | 80.8% | Coming soon | Coming soon |
| WebArena-Verified | 69% | Coming soon | Coming soon |
| DeepSearchQA | 84.9% | Coming soon | Coming soon |
| CyberGym | 59.0% | Coming soon | Coming soon |
| Finance Agent v2 | 57.2% | Coming soon | Coming soon |
| deepSwe | 53.3% | Coming soon | Coming soon |
| OSWorld 2.0 | 14.2% | Coming soon | Coming soon |
| JobBench | 54.7% | Coming soon | Coming soon |
| Cybench | 92.9% | Coming soon | Coming soon |
| ExploitGym | 0.8% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 69.3% | 50.9% | Muse Spark 1.1 |
| PinchBench | Coming soon | 90.0% | Coming soon |
| BrowseComp | Coming soon | 44.4% | Coming soon |
| τ³-bench results | Coming soon | 70.9% | Coming soon |
| HLE w/ tools | Coming soon | 37.4% | Coming soon |

### Coding

- Winner: Muse Spark 1.1
- Muse Spark 1.1 public-lane score: 54.2 (Supported · #35/146)
- Nemotron 3 Ultra public-lane score: 23.4 (Supported · #110/146)

| Benchmark | Muse Spark 1.1 | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 80.0% | 56.4% | Muse Spark 1.1 |
| SWE-bench Pro | 61.5% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 85.9% | 86.0% | Nemotron 3 Ultra |
| SWE-bench (Vals) | 82.0% | 69.0% | Muse Spark 1.1 |
| SWE-bench Verified | Coming soon | 71.9% | Coming soon |
| SWE Multilingual | Coming soon | 67.7% | Coming soon |
| LiveCodeBench v6 | Coming soon | 89.0% | Coming soon |
| SciCode | Coming soon | 44.6% | Coming soon |

### Reasoning

- Winner: Not comparable
- Muse Spark 1.1 public-lane score: 75.7 (Unranked · 3 rankable rows)
- Nemotron 3 Ultra public-lane score: 51.8 (#27/28)

| Benchmark | Muse Spark 1.1 | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| MRCR 1M | 54.1% | Coming soon | Coming soon |
| CritPt | Coming soon | 3.1% | Coming soon |
| LongBench v2 | Coming soon | 61.9% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Muse Spark 1.1 public-lane score: 78.3 (Unranked · 2 rankable rows)
- Nemotron 3 Ultra public-lane score: Coming soon

| Benchmark | Muse Spark 1.1 | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| CharXiv | 88.4% | Coming soon | Coming soon |
| BabyVision | 76.3% | Coming soon | Coming soon |

### Knowledge

- Winner: Directional only
- Muse Spark 1.1 public-lane score: 66.7 (Supported · #21/174)
- Nemotron 3 Ultra public-lane score: 48.9 (Estimated · #72/174)

| Benchmark | Muse Spark 1.1 | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| HLE | 62.1% | 26.7% | Muse Spark 1.1 |
| HLE w/o tools | 52.2% | 26.7% | Muse Spark 1.1 |
| HealthBench Professional | 59.3% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 91.2% | 86.1% | Muse Spark 1.1 |
| MMLU-Pro (Vals) | 88.7% | 85.8% | Muse Spark 1.1 |
| GPQA | Coming soon | 87% | Coming soon |
| GPQA-D | Coming soon | 87.0% | Coming soon |
| MMLU-Pro | Coming soon | 86.8% | Coming soon |

### Multilingual

- Winner: Not comparable
- Muse Spark 1.1 public-lane score: Coming soon
- Nemotron 3 Ultra public-lane score: 89.2 (#7/16)

| Benchmark | Muse Spark 1.1 | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| MMLU-ProX | Coming soon | 83% | Coming soon |

### Instruction Following

- Winner: Not comparable
- Muse Spark 1.1 public-lane score: Coming soon
- Nemotron 3 Ultra public-lane score: 87.4 (#28/125)

| Benchmark | Muse Spark 1.1 | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| IFBench | Coming soon | 81.7% | Coming soon |

## FAQ

### Which is better overall, Muse Spark 1.1 or Nemotron 3 Ultra?

Muse Spark 1.1 has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between Muse Spark 1.1 and Nemotron 3 Ultra?

The widest category gap is in coding, where the averages are 54.2 for Muse Spark 1.1 and 23.4 for Nemotron 3 Ultra.

### How many benchmarks does Muse Spark 1.1 cover on BenchLM?

Muse Spark 1.1 currently has 26 sourced benchmark scores on BenchLM.

### How many benchmarks does Nemotron 3 Ultra cover on BenchLM?

Nemotron 3 Ultra currently has 24 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Muse Spark 1.1 vs Muse Spark 1.2](/compare/muse-spark-1-1-vs-muse-spark-1-2)
- [Nemotron 3 Ultra vs Muse Spark 1.2](/compare/muse-spark-1-2-vs-nemotron-3-ultra)
- [Muse Spark 1.1 vs Muse Spark](/compare/muse-spark-vs-muse-spark-1-1)
- [Nemotron 3 Ultra vs Muse Spark](/compare/muse-spark-vs-nemotron-3-ultra)

## Explore More

- [Muse Spark 1.1 profile](/models/muse-spark-1-1)
- [Nemotron 3 Ultra profile](/models/nemotron-3-ultra)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)