# Muse Spark vs Nemotron 3 Ultra

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

- Canonical page: https://benchlm.ai/compare/muse-spark-vs-nemotron-3-ultra
- Last updated: October 15, 2026

- Shared sourced benchmarks: 7
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Muse Spark 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 has the higher overall point estimate 60.42 to 47.12. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in coding, where the averages are 49.9 for Muse Spark and 21.9 for Nemotron 3 Ultra.
- The biggest single benchmark swing is HLE in Knowledge, with scores of 50.4% and 26.7%.
- Nemotron 3 Ultra also has the larger context window at 1M.

## Model Snapshot

| Property | Muse Spark | Nemotron 3 Ultra |
|----------|----------|----------|
| Creator | Meta | NVIDIA |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 262K | 1M |
| Overall Score | 60.42 | 47.12 |
| Benchmarks Covered | 25 | 24 |
| Pricing (input/output) | N/A | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Muse Spark
- Muse Spark public-lane score: 51 (Supported · #45/126)
- Nemotron 3 Ultra public-lane score: 28 (Supported · #95/126)

| Benchmark | Muse Spark | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 59% | Coming soon | Coming soon |
| τ²-bench results | 91.5% | Coming soon | Coming soon |
| DeepSearchQA | 74.8% | Coming soon | Coming soon |
| CyberGym | 43.5% | Coming soon | Coming soon |
| Claw-Eval | 63.8% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 56.4% | Coming soon |
| 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 |
| Terminal-Bench 2.1 (Vals) | Coming soon | 50.9% | Coming soon |

### Coding

- Winner: Muse Spark
- Muse Spark public-lane score: 49.9 (Supported · #43/149)
- Nemotron 3 Ultra public-lane score: 21.9 (Supported · #115/149)

| Benchmark | Muse Spark | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 77.4% | 71.9% | Muse Spark |
| SWE-bench Pro | 52.4% | Coming soon | Coming soon |
| LiveCodeBench Pro | 80.0% | Coming soon | Coming soon |
| Vibe Code Bench | 19.67% | Coming soon | Coming soon |
| SWE-bench (Vals) | 74.4% | 69.0% | Muse Spark |
| SWE Multilingual | Coming soon | 67.7% | Coming soon |
| LiveCodeBench v6 | Coming soon | 89.0% | Coming soon |
| SciCode | Coming soon | 44.6% | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 56.4% | Coming soon |
| LiveCodeBench (Vals) | Coming soon | 86.0% | Coming soon |

### Reasoning

- Winner: Not comparable
- Muse Spark public-lane score: 57.1 (Unranked · 3 rankable rows)
- Nemotron 3 Ultra public-lane score: 70.8 (#20/29)

| Benchmark | Muse Spark | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | 42.5% | 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 public-lane score: 84.4 (#12/54)
- Nemotron 3 Ultra public-lane score: Coming soon

| Benchmark | Muse Spark | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| CharXiv | 86.4% | Coming soon | Coming soon |
| MMMU-Pro | 80.4% | Coming soon | Coming soon |
| ERQA | 64.7% | Coming soon | Coming soon |
| SimpleVQA | 71.3% | Coming soon | Coming soon |
| ScreenSpot Pro | 84.1% | Coming soon | Coming soon |
| ZeroBench | 33.0% | Coming soon | Coming soon |
| MedXpertQA (MM) | 78.4% | Coming soon | Coming soon |

### Knowledge

- Winner: Directional only
- Muse Spark public-lane score: 62.3 (Supported · #43/182)
- Nemotron 3 Ultra public-lane score: 50.3 (Estimated · #78/182)

| Benchmark | Muse Spark | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| GPQA-D | 89.5% | 87.0% | Muse Spark |
| HLE | 50.4% | 26.7% | Muse Spark |
| HLE w/o tools | 42.8% | 26.7% | Muse Spark |
| HealthBench Hard | 42.8% | Coming soon | Coming soon |
| MedXpertQA (Text) | 52.6% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 89.6% | 86.1% | Muse Spark |
| MMLU-Pro (Vals) | 87.3% | 85.8% | Muse Spark |
| GPQA | Coming soon | 87% | Coming soon |
| MMLU-Pro | Coming soon | 86.8% | Coming soon |

### Multilingual

- Winner: Not comparable
- Muse Spark public-lane score: Coming soon
- Nemotron 3 Ultra public-lane score: 89.2 (#7/17)

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

### Instruction Following

- Winner: Directional only
- Muse Spark public-lane score: 93.3 (#10/146)
- Nemotron 3 Ultra public-lane score: 92.1 (#20/146)

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

## FAQ

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

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

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

The widest category gap is in coding, where the averages are 49.9 for Muse Spark and 21.9 for Nemotron 3 Ultra.

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

Muse Spark currently has 25 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 vs Muse Spark 1.1](/compare/muse-spark-vs-muse-spark-1-1)
- [Nemotron 3 Ultra vs Muse Spark 1.1](/compare/muse-spark-1-1-vs-nemotron-3-ultra)
- [Muse Spark vs Muse Spark 1.2](/compare/muse-spark-vs-muse-spark-1-2)
- [Nemotron 3 Ultra vs Muse Spark 1.2](/compare/muse-spark-1-2-vs-nemotron-3-ultra)

## Explore More

- [Muse Spark profile](/models/muse-spark)
- [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)