# Laguna XS.2 vs Nemotron 3 Ultra

> Side-by-side benchmark comparison for Laguna XS.2 and Nemotron 3 Ultra across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/laguna-xs-2-vs-nemotron-3-ultra
- Last updated: October 15, 2026

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

## Quick Verdict

Nemotron 3 Ultra leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Nemotron 3 Ultra has the higher overall point estimate 47.12 to 34. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in coding, where the averages are 21.8 for Laguna XS.2 and 21.9 for Nemotron 3 Ultra.
- The biggest single benchmark swing is GPQA Diamond (Vals) in Knowledge, with scores of 55.1% and 86.1%.
- Nemotron 3 Ultra also has the larger context window at 1M.

## Model Snapshot

| Property | Laguna XS.2 | Nemotron 3 Ultra |
|----------|----------|----------|
| Creator | Poolside | NVIDIA |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 256K | 1M |
| Overall Score | null | 47.12 |
| Benchmarks Covered | 10 | 24 |
| Pricing (input/output) | $0.00 / $0.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Laguna XS.2 public-lane score: Coming soon
- Nemotron 3 Ultra public-lane score: 28 (Supported · #95/126)

| Benchmark | Laguna XS.2 | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 35.7% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 25.8% | 50.9% | Nemotron 3 Ultra |
| 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 |

### Coding

- Winner: Tie
- Laguna XS.2 public-lane score: 21.8 (Supported · #116/149)
- Nemotron 3 Ultra public-lane score: 21.9 (Supported · #115/149)

| Benchmark | Laguna XS.2 | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 69.9% | 71.9% | Nemotron 3 Ultra |
| SWE Multilingual | 57.7% | 67.7% | Nemotron 3 Ultra |
| SWE-bench Pro | 46.3% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | 35.7% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 67.8% | 86.0% | Nemotron 3 Ultra |
| SWE-bench (Vals) | 55.2% | 69.0% | Nemotron 3 Ultra |
| 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 |

### Reasoning

- Winner: Not comparable
- Laguna XS.2 public-lane score: Coming soon
- Nemotron 3 Ultra public-lane score: 70.8 (#20/29)

| Benchmark | Laguna XS.2 | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| CritPt | Coming soon | 3.1% | Coming soon |
| LongBench v2 | Coming soon | 61.9% | Coming soon |

### Knowledge

- Winner: Not comparable
- Laguna XS.2 public-lane score: Coming soon
- Nemotron 3 Ultra public-lane score: 50.3 (Estimated · #78/182)

| Benchmark | Laguna XS.2 | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| GPQA Diamond (Vals) | 55.1% | 86.1% | Nemotron 3 Ultra |
| MMLU-Pro (Vals) | 69.1% | 85.8% | Nemotron 3 Ultra |
| GPQA | Coming soon | 87% | Coming soon |
| GPQA-D | Coming soon | 87.0% | Coming soon |
| HLE | Coming soon | 26.7% | Coming soon |
| HLE w/o tools | Coming soon | 26.7% | Coming soon |
| MMLU-Pro | Coming soon | 86.8% | Coming soon |

### Multilingual

- Winner: Not comparable
- Laguna XS.2 public-lane score: Coming soon
- Nemotron 3 Ultra public-lane score: 89.2 (#7/17)

| Benchmark | Laguna XS.2 | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| MMLU-ProX | Coming soon | 83% | Coming soon |

### Instruction Following

- Winner: Not comparable
- Laguna XS.2 public-lane score: Coming soon
- Nemotron 3 Ultra public-lane score: 92.1 (#20/146)

| Benchmark | Laguna XS.2 | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| IFBench | Coming soon | 81.7% | Coming soon |

## FAQ

### Which is better overall, Laguna XS.2 or Nemotron 3 Ultra?

Nemotron 3 Ultra has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between Laguna XS.2 and Nemotron 3 Ultra?

The widest category gap is in coding, where the averages are 21.8 for Laguna XS.2 and 21.9 for Nemotron 3 Ultra.

### How many benchmarks does Laguna XS.2 cover on BenchLM?

Laguna XS.2 currently has 10 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

- [Laguna XS.2 vs Laguna S 2.1](/compare/laguna-s-2-1-vs-laguna-xs-2)
- [Nemotron 3 Ultra vs Laguna S 2.1](/compare/laguna-s-2-1-vs-nemotron-3-ultra)
- [Laguna XS.2 vs Laguna M.1](/compare/laguna-m-1-vs-laguna-xs-2)
- [Nemotron 3 Ultra vs Laguna M.1](/compare/laguna-m-1-vs-nemotron-3-ultra)

## Explore More

- [Laguna XS.2 profile](/models/laguna-xs-2)
- [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)