# Nemotron 3 Ultra vs Solar Open 2

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

- Canonical page: https://benchlm.ai/compare/nemotron-3-ultra-vs-solar-open-2
- Last updated: September 10, 2026

- Shared sourced benchmarks: 6
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Pick Nemotron 3 Ultra if you want the stronger benchmark profile. Solar Open 2 only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Nemotron 3 Ultra leads overall 40.51 to 0.
- The biggest single benchmark swing is LiveCodeBench v6 in Coding, with scores of 89.0% and 92.4%.

## Model Snapshot

| Property | Nemotron 3 Ultra | Solar Open 2 |
|----------|----------|----------|
| Creator | NVIDIA | Upstage |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Overall Score | 40.51 | null |
| Benchmarks Covered | 24 | 11 |
| Pricing (input/output) | $0.00 / $0.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Coming soon
- Nemotron 3 Ultra public-lane score: 27 (Supported · #143/152)
- Solar Open 2 public-lane score: Coming soon

| Benchmark | Nemotron 3 Ultra | Solar Open 2 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 56.4% | Coming soon | Coming soon |
| 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 |
| terminalBenchHard | Coming soon | 28.3% | Coming soon |
| APEX-Agents | Coming soon | 16.6% | Coming soon |
| MCP Atlas | Coming soon | 58.2% | Coming soon |

### Coding

- Winner: Coming soon
- Nemotron 3 Ultra public-lane score: 26.6 (Supported · #145/151)
- Solar Open 2 public-lane score: Coming soon

| Benchmark | Nemotron 3 Ultra | Solar Open 2 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 71.9% | 70.4% | Nemotron 3 Ultra |
| SWE Multilingual | 67.7% | Coming soon | Coming soon |
| LiveCodeBench v6 | 89.0% | 92.4% | Solar Open 2 |
| SciCode | 44.6% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | 56.4% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 86.0% | Coming soon | Coming soon |
| SWE-bench (Vals) | 69.0% | Coming soon | Coming soon |

### Reasoning

- Winner: Coming soon
- Nemotron 3 Ultra public-lane score: 48.7 (Unranked · 1 rankable row)
- Solar Open 2 public-lane score: Coming soon

| Benchmark | Nemotron 3 Ultra | Solar Open 2 | Winner |
|-----------|-----------|-----------|--------|
| CritPt | 3.1% | Coming soon | Coming soon |
| LongBench v2 | 61.9% | Coming soon | Coming soon |

### Knowledge

- Winner: Coming soon
- Nemotron 3 Ultra public-lane score: 44.7 (Estimated · #111/183)
- Solar Open 2 public-lane score: Coming soon

| Benchmark | Nemotron 3 Ultra | Solar Open 2 | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 87% | Coming soon | Coming soon |
| GPQA-D | 87.0% | 86.3% | Nemotron 3 Ultra |
| HLE | 26.7% | Coming soon | Coming soon |
| HLE w/o tools | 26.7% | 28.8% | Solar Open 2 |
| MMLU-Pro | 86.8% | 86.2% | Nemotron 3 Ultra |
| GPQA Diamond (Vals) | 86.1% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 85.8% | Coming soon | Coming soon |

### Instruction Following

- Winner: Coming soon
- Nemotron 3 Ultra public-lane score: 88.8 (#28/123)
- Solar Open 2 public-lane score: Coming soon

| Benchmark | Nemotron 3 Ultra | Solar Open 2 | Winner |
|-----------|-----------|-----------|--------|
| IFBench | 81.7% | 80% | Nemotron 3 Ultra |

### Multilingual

- Winner: Coming soon
- Nemotron 3 Ultra public-lane score: 47.4 (#7/12)
- Solar Open 2 public-lane score: Coming soon

| Benchmark | Nemotron 3 Ultra | Solar Open 2 | Winner |
|-----------|-----------|-----------|--------|
| MMLU-ProX | 83% | Coming soon | Coming soon |

### Mathematics

- Winner: Coming soon
- Nemotron 3 Ultra public-lane score: Coming soon
- Solar Open 2 public-lane score: Coming soon

| Benchmark | Nemotron 3 Ultra | Solar Open 2 | Winner |
|-----------|-----------|-----------|--------|
| HMMT Feb 2026 | Coming soon | 93.9% | Coming soon |
| AIME26 | Coming soon | 95.7% | Coming soon |

## FAQ

### Which is better overall, Nemotron 3 Ultra or Solar Open 2?

Nemotron 3 Ultra is ahead overall on BenchLM right now.

### How many benchmarks does Nemotron 3 Ultra cover on BenchLM?

Nemotron 3 Ultra currently has 24 sourced benchmark scores on BenchLM.

### How many benchmarks does Solar Open 2 cover on BenchLM?

Solar Open 2 currently has 11 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Nemotron 3 Ultra vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-nemotron-3-ultra)
- [Solar Open 2 vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-solar-open-2)
- [Nemotron 3 Ultra vs GPT-6 Astra](/compare/gpt-6-astra-vs-nemotron-3-ultra)
- [Solar Open 2 vs GPT-6 Astra](/compare/gpt-6-astra-vs-solar-open-2)

## Explore More

- [Nemotron 3 Ultra profile](/models/nemotron-3-ultra)
- [Solar Open 2 profile](/models/solar-open-2)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)