# Nemotron 3.5 Lightning 30B A3B NVFP4 vs Sakana Fugu-Ultra

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

- Canonical page: https://benchlm.ai/compare/nemotron-3-5-lightning-30b-a3b-nvfp4-vs-sakana-fugu-ultra
- Last updated: September 24, 2026

- Shared sourced benchmarks: 6
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.7

## Quick Verdict

Pick Sakana Fugu-Ultra if you want the stronger benchmark profile. Nemotron 3.5 Lightning 30B A3B NVFP4 only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Sakana Fugu-Ultra leads overall 74 to 19.1.
- The clearest category separation is in reasoning, where the averages are 55.9 for Nemotron 3.5 Lightning 30B A3B NVFP4 and 79 for Sakana Fugu-Ultra.
- The biggest single benchmark swing is Terminal-Bench 2.1 in Agentic, with scores of 23.5% and 82.1%.
- Sakana Fugu-Ultra is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | Nemotron 3.5 Lightning 30B A3B NVFP4 | Sakana Fugu-Ultra |
|----------|----------|----------|
| Creator | NVIDIA | Sakana AI |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Overall Score | 19.1 | null |
| Benchmarks Covered | 13 | 11 |
| Pricing (input/output) | $0.00 / $0.00 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Nemotron 3.5 Lightning 30B A3B NVFP4 public-lane score: 7.3 (Estimated · #104/105)
- Sakana Fugu-Ultra public-lane score: Coming soon

| Benchmark | Nemotron 3.5 Lightning 30B A3B NVFP4 | Sakana Fugu-Ultra | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 23.5% | 82.1% | Sakana Fugu-Ultra |
| PinchBench | 83.4% | Coming soon | Coming soon |
| BrowseComp | 36.8% | Coming soon | Coming soon |
| τ³-bench results | 9.5% | Coming soon | Coming soon |

### Coding

- Winner: Not comparable
- Nemotron 3.5 Lightning 30B A3B NVFP4 public-lane score: 11.4 (Estimated · #135/135)
- Sakana Fugu-Ultra public-lane score: Coming soon

| Benchmark | Nemotron 3.5 Lightning 30B A3B NVFP4 | Sakana Fugu-Ultra | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 52.8% | Coming soon | Coming soon |
| SWE Multilingual | 36.5% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 23.5% | 82.1% | Sakana Fugu-Ultra |
| SciCode | 31.4% | 58.7% | Sakana Fugu-Ultra |
| SWE-bench Pro | Coming soon | 73.7% | Coming soon |
| LiveCodeBench v6 | Coming soon | 93.2% | Coming soon |
| LiveCodeBench Pro | Coming soon | 90.8% | Coming soon |

### Reasoning

- Winner: Not comparable
- Nemotron 3.5 Lightning 30B A3B NVFP4 public-lane score: 55.9 (Unranked · 1 rankable row)
- Sakana Fugu-Ultra public-lane score: 79 (Unranked · 1 rankable row)

| Benchmark | Nemotron 3.5 Lightning 30B A3B NVFP4 | Sakana Fugu-Ultra | Winner |
|-----------|-----------|-----------|--------|
| MRCRv2 | Coming soon | 93.6% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Nemotron 3.5 Lightning 30B A3B NVFP4 public-lane score: Coming soon
- Sakana Fugu-Ultra public-lane score: 72.6 (Unranked · 1 rankable row)

| Benchmark | Nemotron 3.5 Lightning 30B A3B NVFP4 | Sakana Fugu-Ultra | Winner |
|-----------|-----------|-----------|--------|
| CharXiv | Coming soon | 86.6% | Coming soon |

### Knowledge

- Winner: Not comparable
- Nemotron 3.5 Lightning 30B A3B NVFP4 public-lane score: 20.7 (Estimated · #154/158)
- Sakana Fugu-Ultra public-lane score: Coming soon

| Benchmark | Nemotron 3.5 Lightning 30B A3B NVFP4 | Sakana Fugu-Ultra | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 75.6% | 95.5% | Sakana Fugu-Ultra |
| GPQA-D | 75.6% | 95.5% | Sakana Fugu-Ultra |
| HLE w/o tools | 10.5% | 50% | Sakana Fugu-Ultra |
| MMLU-Pro | 81.6% | Coming soon | Coming soon |

### Instruction Following

- Winner: Not comparable
- Nemotron 3.5 Lightning 30B A3B NVFP4 public-lane score: 68.5 (#67/124)
- Sakana Fugu-Ultra public-lane score: Coming soon

| Benchmark | Nemotron 3.5 Lightning 30B A3B NVFP4 | Sakana Fugu-Ultra | Winner |
|-----------|-----------|-----------|--------|
| IFBench | 72.9% | Coming soon | Coming soon |

## FAQ

### Which is better overall, Nemotron 3.5 Lightning 30B A3B NVFP4 or Sakana Fugu-Ultra?

Sakana Fugu-Ultra is ahead overall on BenchLM right now.

### Where is the biggest gap between Nemotron 3.5 Lightning 30B A3B NVFP4 and Sakana Fugu-Ultra?

The widest category gap is in reasoning, where the averages are 55.9 for Nemotron 3.5 Lightning 30B A3B NVFP4 and 79 for Sakana Fugu-Ultra.

### 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 Sakana Fugu-Ultra cover on BenchLM?

Sakana Fugu-Ultra currently has 11 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Nemotron 3.5 Lightning 30B A3B NVFP4 vs Sakana Fugu](/compare/nemotron-3-5-lightning-30b-a3b-nvfp4-vs-sakana-fugu)
- [Sakana Fugu-Ultra vs Sakana Fugu](/compare/sakana-fugu-vs-sakana-fugu-ultra)
- [Nemotron 3.5 Lightning 30B A3B NVFP4 vs Fugu Cyber](/compare/nemotron-3-5-lightning-30b-a3b-nvfp4-vs-sakana-fugu-cyber)
- [Sakana Fugu-Ultra vs Fugu Cyber](/compare/sakana-fugu-cyber-vs-sakana-fugu-ultra)

## Explore More

- [Nemotron 3.5 Lightning 30B A3B NVFP4 profile](/models/nemotron-3-5-lightning-30b-a3b-nvfp4)
- [Sakana Fugu-Ultra profile](/models/sakana-fugu-ultra)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)