# Nemotron 3 Ultra vs Sakana Fugu-Ultra

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

- Canonical page: https://benchlm.ai/compare/nemotron-3-ultra-vs-sakana-fugu-ultra
- Last updated: September 28, 2026

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

## Quick Verdict

Pick Sakana Fugu-Ultra if you want the stronger benchmark profile. Nemotron 3 Ultra 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 43.01.
- The clearest category separation is in reasoning, where the averages are 51.8 for Nemotron 3 Ultra and 79.1 for Sakana Fugu-Ultra.
- The biggest single benchmark swing is Terminal-Bench 2.1 in Agentic, with scores of 56.4% 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 Ultra | Sakana Fugu-Ultra |
|----------|----------|----------|
| Creator | NVIDIA | Sakana AI |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Overall Score | 43.01 | null |
| Benchmarks Covered | 24 | 11 |
| Pricing (input/output) | $0.00 / $0.00 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Nemotron 3 Ultra public-lane score: 25.5 (Supported · #90/117)
- Sakana Fugu-Ultra public-lane score: Coming soon

| Benchmark | Nemotron 3 Ultra | Sakana Fugu-Ultra | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 56.4% | 82.1% | Sakana Fugu-Ultra |
| 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 |

### Coding

- Winner: Not comparable
- Nemotron 3 Ultra public-lane score: 22.7 (Supported · #113/142)
- Sakana Fugu-Ultra public-lane score: Coming soon

| Benchmark | Nemotron 3 Ultra | Sakana Fugu-Ultra | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 71.9% | Coming soon | Coming soon |
| SWE Multilingual | 67.7% | Coming soon | Coming soon |
| LiveCodeBench v6 | 89.0% | 93.2% | Sakana Fugu-Ultra |
| SciCode | 44.6% | 58.7% | Sakana Fugu-Ultra |
| Terminal-Bench 2.1 | 56.4% | 82.1% | Sakana Fugu-Ultra |
| LiveCodeBench (Vals) | 86.0% | Coming soon | Coming soon |
| SWE-bench (Vals) | 69.0% | Coming soon | Coming soon |
| SWE-bench Pro | Coming soon | 73.7% | Coming soon |
| LiveCodeBench Pro | Coming soon | 90.8% | Coming soon |

### Reasoning

- Winner: Not comparable
- Nemotron 3 Ultra public-lane score: 51.8 (#26/27)
- Sakana Fugu-Ultra public-lane score: 79.1 (Unranked · 1 rankable row)

| Benchmark | Nemotron 3 Ultra | Sakana Fugu-Ultra | Winner |
|-----------|-----------|-----------|--------|
| CritPt | 3.1% | Coming soon | Coming soon |
| LongBench v2 | 61.9% | Coming soon | Coming soon |
| MRCRv2 | Coming soon | 93.6% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Nemotron 3 Ultra public-lane score: Coming soon
- Sakana Fugu-Ultra public-lane score: 73.6 (Unranked · 1 rankable row)

| Benchmark | Nemotron 3 Ultra | Sakana Fugu-Ultra | Winner |
|-----------|-----------|-----------|--------|
| CharXiv | Coming soon | 86.6% | Coming soon |

### Knowledge

- Winner: Not comparable
- Nemotron 3 Ultra public-lane score: 45.8 (Estimated · #76/168)
- Sakana Fugu-Ultra public-lane score: Coming soon

| Benchmark | Nemotron 3 Ultra | Sakana Fugu-Ultra | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 87% | 95.5% | Sakana Fugu-Ultra |
| GPQA-D | 87.0% | 95.5% | Sakana Fugu-Ultra |
| HLE | 26.7% | Coming soon | Coming soon |
| HLE w/o tools | 26.7% | 50% | Sakana Fugu-Ultra |
| MMLU-Pro | 86.8% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 86.1% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 85.8% | Coming soon | Coming soon |

### Multilingual

- Winner: Not comparable
- Nemotron 3 Ultra public-lane score: 47.4 (#7/12)
- Sakana Fugu-Ultra public-lane score: Coming soon

| Benchmark | Nemotron 3 Ultra | Sakana Fugu-Ultra | Winner |
|-----------|-----------|-----------|--------|
| MMLU-ProX | 83% | Coming soon | Coming soon |

### Instruction Following

- Winner: Not comparable
- Nemotron 3 Ultra public-lane score: 88.1 (#26/124)
- Sakana Fugu-Ultra public-lane score: Coming soon

| Benchmark | Nemotron 3 Ultra | Sakana Fugu-Ultra | Winner |
|-----------|-----------|-----------|--------|
| IFBench | 81.7% | Coming soon | Coming soon |

## FAQ

### Which is better overall, Nemotron 3 Ultra or Sakana Fugu-Ultra?

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

### Where is the biggest gap between Nemotron 3 Ultra and Sakana Fugu-Ultra?

The widest category gap is in reasoning, where the averages are 51.8 for Nemotron 3 Ultra and 79.1 for Sakana Fugu-Ultra.

### 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 Sakana Fugu-Ultra cover on BenchLM?

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

## Related Comparisons

- [Nemotron 3 Ultra vs Sakana Fugu](/compare/nemotron-3-ultra-vs-sakana-fugu)
- [Sakana Fugu-Ultra vs Sakana Fugu](/compare/sakana-fugu-vs-sakana-fugu-ultra)
- [Nemotron 3 Ultra vs Fugu Cyber](/compare/nemotron-3-ultra-vs-sakana-fugu-cyber)
- [Sakana Fugu-Ultra vs Fugu Cyber](/compare/sakana-fugu-cyber-vs-sakana-fugu-ultra)

## Explore More

- [Nemotron 3 Ultra profile](/models/nemotron-3-ultra)
- [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)