# Nemotron 3 Ultra vs Particle-1

> Side-by-side benchmark comparison for Nemotron 3 Ultra and Particle-1 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/nemotron-3-ultra-vs-particle-1
- Last updated: October 29, 2026

- Shared sourced benchmarks: 3
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: Nemotron 3 Ultra and Particle-1 share only 3 sourced benchmark rows.

## Summary

- Only 3 shared sourced benchmark rows are available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- Nemotron 3 Ultra has the lower published output-token price.

## Model Snapshot

| Property | Nemotron 3 Ultra | Particle-1 |
|----------|----------|----------|
| Creator | NVIDIA | Particle AI |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Independent public score (not head-to-head) | 47.37 | null |
| Benchmarks Covered | 25 | 5 |
| Pricing (input/output) | $0.00 / $0.00 | $0.25 / $1.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Nemotron 3 Ultra public-lane score: 25.1 (Supported · #116/135)
- Particle-1 public-lane score: Coming soon

| Benchmark | Nemotron 3 Ultra | Particle-1 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 56.4% | 79.9% | Particle-1 |
| PinchBench | 90.0% | Coming soon | Coming soon |
| BrowseComp | 44.4% | Coming soon | Coming soon |
| τ³-bench results | 70.9% | Coming soon | Coming soon |
| HLE w/ tools | 37.4% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 50.9% | Coming soon | Coming soon |
| MazeBench | 0% | Coming soon | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Nemotron 3 Ultra public-lane score: 22.5 (Supported · #127/156)
- Particle-1 public-lane score: Coming soon

| Benchmark | Nemotron 3 Ultra | Particle-1 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 71.9% | Coming soon | Coming soon |
| SWE Multilingual | 67.7% | Coming soon | Coming soon |
| LiveCodeBench v6 | 89.0% | Coming soon | Coming soon |
| SciCode | 44.6% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 56.4% | 79.9% | Particle-1 |
| LiveCodeBench (Vals) | 86.0% | Coming soon | Coming soon |
| SWE-bench (Vals) | 69.0% | Coming soon | Coming soon |
| DeepSWE | Coming soon | 72.6% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Nemotron 3 Ultra public-lane score: 69.5 (Unranked · 1 rankable row)
- Particle-1 public-lane score: Coming soon

| Benchmark | Nemotron 3 Ultra | Particle-1 | Winner |
|-----------|-----------|-----------|--------|
| CritPt | 3.1% | Coming soon | Coming soon |
| LongBench v2 | 61.9% | Coming soon | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Nemotron 3 Ultra public-lane score: 50.1 (Estimated · #80/179)
- Particle-1 public-lane score: Coming soon

| Benchmark | Nemotron 3 Ultra | Particle-1 | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 87% | Coming soon | Coming soon |
| GPQA-D | 87.0% | 90.4% | Particle-1 |
| HLE | 26.7% | Coming soon | Coming soon |
| HLE w/o tools | 26.7% | Coming soon | Coming soon |
| MMLU-Pro | 86.8% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 86.1% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 85.8% | Coming soon | Coming soon |
| MMLU | Coming soon | 86.1% | Coming soon |

### Multilingual

- Winner: Insufficient shared evidence
- Nemotron 3 Ultra public-lane score: 89.2 (#7/17)
- Particle-1 public-lane score: Coming soon

| Benchmark | Nemotron 3 Ultra | Particle-1 | Winner |
|-----------|-----------|-----------|--------|
| MMLU-ProX | 83% | Coming soon | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Nemotron 3 Ultra public-lane score: 92.1 (#21/157)
- Particle-1 public-lane score: Coming soon

| Benchmark | Nemotron 3 Ultra | Particle-1 | Winner |
|-----------|-----------|-----------|--------|
| IFBench | 81.7% | Coming soon | Coming soon |

## FAQ

### Is there enough evidence to pick between Nemotron 3 Ultra and Particle-1?

Not yet. The models share only 3 sourced benchmark rows, so this mirror reports the available measurements and metadata without naming a broad winner.

### What can I compare safely on this page?

Published pricing, context windows, model type, and individual shared benchmark rows are directly comparable. Independent overall scores and non-overlapping benchmark coverage are labeled separately and should not be read as a controlled head-to-head result.

## Related Comparisons

- [Nemotron 3 Ultra vs Gemini 4 Carbon](/compare/gemini-4-carbon-vs-nemotron-3-ultra)
- [Particle-1 vs Gemini 4 Carbon](/compare/gemini-4-carbon-vs-particle-1)
- [Nemotron 3 Ultra vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-nemotron-3-ultra)
- [Particle-1 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-particle-1)

## Explore More

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