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Muse Spark vs Nemotron 3 Ultra
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| Attribute | Muse Spark | Nemotron 3 Ultra |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | 153 | 143 |
| Coding | 76 | — |
| Math | 64 | — |
| Reasoning & Knowledge | 82 | 27 |
| Agentic & Tools | 63 | 16 |
| Specifications | ||
| Developer | Meta AI | NVIDIA |
| Family | — | Nemotron |
| Released | Apr 8, 2026 | Jun 4, 2026 |
| Parameters | — | 550B |
| Availability | API access | Open weights (unrestricted) |
| Context window | — | — |
| Price — $/M input | — | — |
| Price — $/M output | — | — |
| Inputs | — | — |
| Outputs | — | — |
| Benchmarks | ||
| AIME 2024/2025 | 89% | — |
| FrontierMath | 39% | — |
| FrontierMath Tier 4 | 15% | — |
| GPQA Diamond | 90% | — |
| Humanity's Last Exam | 41% | — |
| SciCode | 52% | — |
| SimpleQA Verified | 66% | — |
| WebDev Arena | 1513 | — |
| τ²-bench | 92% | — |
| APEX | — | 12% |
| WeirdML | — | 43% |
Use-case scores are 0–100 percentile composites across each area’s benchmarks, ranked against every model from the past year. Highlighted cells lead each row. Open a model for the full picture.
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Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.