# Nemotron 3.5 Lightning 30B A3B NVFP4 vs Solar Open 2

> Side-by-side benchmark comparison for Nemotron 3.5 Lightning 30B A3B NVFP4 and Solar Open 2 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/nemotron-3-5-lightning-30b-a3b-nvfp4-vs-solar-open-2
- Last updated: September 10, 2026

- Shared sourced benchmarks: 5
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Pick Nemotron 3.5 Lightning 30B A3B NVFP4 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 3.5 Lightning 30B A3B NVFP4 leads overall 21.01 to 0.
- The biggest single benchmark swing is HLE w/o tools in Knowledge, with scores of 10.5% and 28.8%.

## Model Snapshot

| Property | Nemotron 3.5 Lightning 30B A3B NVFP4 | Solar Open 2 |
|----------|----------|----------|
| Creator | NVIDIA | Upstage |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Overall Score | 21.01 | null |
| Benchmarks Covered | 13 | 11 |
| Pricing (input/output) | $0.00 / $0.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Coming soon
- Nemotron 3.5 Lightning 30B A3B NVFP4 public-lane score: 26.1 (Estimated · #146/152)
- Solar Open 2 public-lane score: Coming soon

| Benchmark | Nemotron 3.5 Lightning 30B A3B NVFP4 | Solar Open 2 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 23.5% | Coming soon | Coming soon |
| PinchBench | 83.4% | Coming soon | Coming soon |
| BrowseComp | 36.8% | Coming soon | Coming soon |
| τ³-bench results | 9.5% | 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 3.5 Lightning 30B A3B NVFP4 public-lane score: 30.2 (Estimated · #137/151)
- Solar Open 2 public-lane score: Coming soon

| Benchmark | Nemotron 3.5 Lightning 30B A3B NVFP4 | Solar Open 2 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 52.8% | 70.4% | Solar Open 2 |
| SWE Multilingual | 36.5% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | 23.5% | Coming soon | Coming soon |
| SciCode | 31.4% | Coming soon | Coming soon |
| LiveCodeBench v6 | Coming soon | 92.4% | Coming soon |

### Reasoning

- Winner: Coming soon
- Nemotron 3.5 Lightning 30B A3B NVFP4 public-lane score: 54.8 (Unranked · 1 rankable row)
- Solar Open 2 public-lane score: Coming soon

### Knowledge

- Winner: Coming soon
- Nemotron 3.5 Lightning 30B A3B NVFP4 public-lane score: 30.2 (Estimated · #176/183)
- Solar Open 2 public-lane score: Coming soon

| Benchmark | Nemotron 3.5 Lightning 30B A3B NVFP4 | Solar Open 2 | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 75.6% | Coming soon | Coming soon |
| GPQA-D | 75.6% | 86.3% | Solar Open 2 |
| HLE w/o tools | 10.5% | 28.8% | Solar Open 2 |
| MMLU-Pro | 81.6% | 86.2% | Solar Open 2 |

### Instruction Following

- Winner: Coming soon
- Nemotron 3.5 Lightning 30B A3B NVFP4 public-lane score: 72.6 (#64/123)
- Solar Open 2 public-lane score: Coming soon

| Benchmark | Nemotron 3.5 Lightning 30B A3B NVFP4 | Solar Open 2 | Winner |
|-----------|-----------|-----------|--------|
| IFBench | 72.9% | 80% | Solar Open 2 |

### Mathematics

- Winner: Coming soon
- Nemotron 3.5 Lightning 30B A3B NVFP4 public-lane score: Coming soon
- Solar Open 2 public-lane score: Coming soon

| Benchmark | Nemotron 3.5 Lightning 30B A3B NVFP4 | 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 3.5 Lightning 30B A3B NVFP4 or Solar Open 2?

Nemotron 3.5 Lightning 30B A3B NVFP4 is ahead overall on BenchLM right now.

### How many benchmarks does Nemotron 3.5 Lightning 30B A3B NVFP4 cover on BenchLM?

Nemotron 3.5 Lightning 30B A3B NVFP4 currently has 13 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 3.5 Lightning 30B A3B NVFP4 vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-nemotron-3-5-lightning-30b-a3b-nvfp4)
- [Solar Open 2 vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-solar-open-2)
- [Nemotron 3.5 Lightning 30B A3B NVFP4 vs GPT-6 Astra](/compare/gpt-6-astra-vs-nemotron-3-5-lightning-30b-a3b-nvfp4)
- [Solar Open 2 vs GPT-6 Astra](/compare/gpt-6-astra-vs-solar-open-2)

## Explore More

- [Nemotron 3.5 Lightning 30B A3B NVFP4 profile](/models/nemotron-3-5-lightning-30b-a3b-nvfp4)
- [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)