Model comparison
Laguna XS.2 vs Nemotron 3 Ultra
Head-to-head evidence from 4 shared benchmark results across 2 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Verified leaderboard positions: Laguna XS.2 unranked; Nemotron 3 Ultra #24
Evidence parity. Laguna XS.2 and Nemotron 3 Ultra share 4 comparable benchmark results. 2 of 8 categories are comparable. 1 result is unique to Laguna XS.2; 35 to Nemotron 3 Ultra.
Updated July 16, 2026- Shared results
- 4
- Laguna XS.2 only
- 1
- Nemotron 3 Ultra only
- 35
- Comparable categories
- 2 / 8
Pick Nemotron 3 Ultra if you want the stronger benchmark profile. Laguna XS.2 only becomes the better choice if coding is the priority.
Confidence note. This is a partial-evidence comparison with 4 shared benchmark results across 2 evidence categories; 2 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
Nemotron 3 Ultra is clearly ahead on the provisional aggregate, 60 to 46. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Nemotron 3 Ultra's sharpest advantage is in agentic, where it averages 51.3 against 35.7. The single biggest benchmark swing on the page is Terminal-Bench 2.0, 35.7% to 56.4%. Laguna XS.2 does hit back in coding, so the answer changes if that is the part of the workload you care about most.
Nemotron 3 Ultra gives you the larger context window at 1M, compared with 256K for Laguna XS.2.
Category breakdown
Exact category averages are shown below. Not measured means BenchLM does not have enough sourced public coverage for that model and category.
| Category | Laguna XS.2 | Δ | Nemotron 3 Ultra |
|---|---|---|---|
| Agentic | Laguna XS.235.7 | Margin→ 15.6 | Nemotron 3 Ultra51.3 |
| Coding | Laguna XS.260.8 | Margin← 2.5 | Nemotron 3 Ultra58.3 |
| Reasoning | Laguna XS.2Not measured | MarginNo overlap | Nemotron 3 Ultra61.9 |
| Knowledge | Laguna XS.2Not measured | MarginNo overlap | Nemotron 3 Ultra54.2 |
| Multilingual | Laguna XS.2Not measured | MarginNo overlap | Nemotron 3 Ultra83.0 |
| Inst. Following | Laguna XS.2Not measured | MarginNo overlap | Nemotron 3 Ultra81.7 |
Decisive benchmark drivers
The largest measured benchmark gaps in this matchup, with exact reported values.
More
- Source ↗
Terminal-Bench 2.0
AgenticA 35.7%B 56.4%Winner: Nemotron 3 UltraΔ 20.7Terminal-Bench 2.0: Laguna XS.2 scored 35.7%; Nemotron 3 Ultra scored 56.4%. Nemotron 3 Ultra wins this benchmark. - Source ↗
SWE-bench Verified
CodingA 69.9%B 71.9%Winner: Nemotron 3 UltraΔ 2SWE-bench Verified: Laguna XS.2 scored 69.9%; Nemotron 3 Ultra scored 71.9%. Nemotron 3 Ultra wins this benchmark.
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Laguna XS.2 | Nemotron 3 Ultra | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Laguna XS.2$0 input / $0 output | Nemotron 3 Ultra$0 input / $0 output | Listed prices are equal. |
| Generation speedtokens per second | Laguna XS.2Not available | Nemotron 3 UltraNot available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Laguna XS.2Not available | Nemotron 3 UltraNot available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Laguna XS.2256K | Nemotron 3 Ultra1M | Nemotron 3 Ultra lists the larger context window. |
Benchmark Deep Dive
AgenticNemotron 3 Ultra wins12 benchmarks
| Benchmark | Laguna XS.2 | Nemotron 3 Ultra | Result |
|---|---|---|---|
| Terminal-Bench 2.0Source | 35.7% | 56.4% | Nemotron 3 Ultra leads |
| PinchBenchSource | — | 90.0% | Not comparable |
| BrowseCompSource | — | 44.4% | Not comparable |
| τ³-bench resultsSource | — | 70.9% | Not comparable |
| GDPval-AASource | — | 33.2% | Not comparable |
| HLE w/ toolsSource | — | 37.4% | Not comparable |
| AA Agentic IndexSource | — | 27.4% | Not comparable |
| τ²-bench resultsSource | — | 83.3% | Not comparable |
| GDPval-AASource | — | 1164 | Not comparable |
| AA BriefcaseSource | — | 870 | Not comparable |
| AA EnterpriseOps-GymSource | — | 28.9% | Not comparable |
| AA Harvey LABSource | — | 3.3% | Not comparable |
CodingLaguna XS.2 wins9 benchmarks
| Benchmark | Laguna XS.2 | Nemotron 3 Ultra | Result |
|---|---|---|---|
| SWE-bench VerifiedSource | 69.9% | 71.9% | Nemotron 3 Ultra leads |
| SWE MultilingualSource | 57.7% | 67.7% | Nemotron 3 Ultra leads |
| SWE-bench ProSource | 46.3% | — | Not comparable |
| Terminal-Bench 2.0Source | 35.7% | 56.4% | Nemotron 3 Ultra leads |
| LiveCodeBench v6Source | — | 89.0% | Not comparable |
| SciCodeSource | — | 44.6% | Not comparable |
| AA Coding IndexSource | — | 49.3% | Not comparable |
| Terminal-Bench HardSource | — | 36.4% | Not comparable |
| AA-SciCodeSource | — | 39.9% | Not comparable |
Reasoning3 benchmarks
Knowledge12 benchmarks
| Benchmark | Laguna XS.2 | Nemotron 3 Ultra | Result |
|---|---|---|---|
| GPQASource | — | 87% | Not comparable |
| GPQA-DSource | — | 87.0% | Not comparable |
| HLESource | — | 26.7% | Not comparable |
| HLE w/o toolsSource | — | 26.7% | Not comparable |
| MMLU-ProSource | — | 86.8% | Not comparable |
| AA-Omniscience AccuracySource | — | 21.6% | Not comparable |
| Artificial Analysis Intelligence IndexSource | — | 37.8% | Not comparable |
| AA-GPQA DiamondSource | — | 86.7% | Not comparable |
| AA-HLESource | — | 26.6% | Not comparable |
| AA-Omniscience IndexSource | — | -0.8% | Not comparable |
| AA-Omniscience Hallucination RateSource | — | 28.5% | Not comparable |
| AA Openness IndexSource | — | 83.3% | Not comparable |
Multilingual1 benchmarks
| Benchmark | Laguna XS.2 | Nemotron 3 Ultra | Result |
|---|---|---|---|
| MMLU-ProXSource | — | 83% | Not comparable |
Multimodal1 benchmarks
| Benchmark | Laguna XS.2 | Nemotron 3 Ultra | Result |
|---|---|---|---|
| Design Arena WebsiteSource | — | 1132 | Not comparable |
Frequently Asked Questions (3)
Which is better, Laguna XS.2 or Nemotron 3 Ultra?
Nemotron 3 Ultra is ahead on BenchLM's provisional leaderboard, 60 to 46. The biggest single separator in this matchup is Terminal-Bench 2.0, where the scores are 35.7% and 56.4%.
Which is better for coding, Laguna XS.2 or Nemotron 3 Ultra?
Laguna XS.2 has the edge for coding in this comparison, averaging 60.8 versus 58.3. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.
Which is better for agentic tasks, Laguna XS.2 or Nemotron 3 Ultra?
Nemotron 3 Ultra has the edge for agentic tasks in this comparison, averaging 51.3 versus 35.7. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.
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