# Sakana Fugu vs Sakana Fugu-Ultra

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

- Canonical page: https://benchlm.ai/compare/sakana-fugu-vs-sakana-fugu-ultra
- Last updated: September 27, 2026

- Shared sourced benchmarks: 11
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.7

## Quick Verdict

Pick Sakana Fugu-Ultra if you want the stronger benchmark profile. Sakana Fugu 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 65.
- The clearest category separation is in reasoning, where the averages are 70.6 for Sakana Fugu and 79 for Sakana Fugu-Ultra.
- The biggest single benchmark swing is SWE-bench Pro in Coding, with scores of 59% and 73.7%.

## Model Snapshot

| Property | Sakana Fugu | Sakana Fugu-Ultra |
|----------|----------|----------|
| Creator | Sakana AI | Sakana AI |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Overall Score | null | null |
| Benchmarks Covered | 11 | 11 |
| Pricing (input/output) | Pricing unavailable / Pricing unavailable | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Sakana Fugu public-lane score: Coming soon
- Sakana Fugu-Ultra public-lane score: Coming soon

| Benchmark | Sakana Fugu | Sakana Fugu-Ultra | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 80.2% | 82.1% | Sakana Fugu-Ultra |

### Coding

- Winner: Not comparable
- Sakana Fugu public-lane score: Coming soon
- Sakana Fugu-Ultra public-lane score: Coming soon

| Benchmark | Sakana Fugu | Sakana Fugu-Ultra | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Pro | 59% | 73.7% | Sakana Fugu-Ultra |
| Terminal-Bench 2.1 | 80.2% | 82.1% | Sakana Fugu-Ultra |
| LiveCodeBench v6 | 92.9% | 93.2% | Sakana Fugu-Ultra |
| LiveCodeBench Pro | 87.8% | 90.8% | Sakana Fugu-Ultra |
| SciCode | 60.1% | 58.7% | Sakana Fugu |

### Reasoning

- Winner: Not comparable
- Sakana Fugu public-lane score: 70.6 (Unranked · 1 rankable row)
- Sakana Fugu-Ultra public-lane score: 79 (Unranked · 1 rankable row)

| Benchmark | Sakana Fugu | Sakana Fugu-Ultra | Winner |
|-----------|-----------|-----------|--------|
| MRCRv2 | 86.6% | 93.6% | Sakana Fugu-Ultra |

### Multimodal & Grounded

- Winner: Not comparable
- Sakana Fugu public-lane score: 68.6 (Unranked · 1 rankable row)
- Sakana Fugu-Ultra public-lane score: 72.6 (Unranked · 1 rankable row)

| Benchmark | Sakana Fugu | Sakana Fugu-Ultra | Winner |
|-----------|-----------|-----------|--------|
| CharXiv | 85.1% | 86.6% | Sakana Fugu-Ultra |

### Knowledge

- Winner: Not comparable
- Sakana Fugu public-lane score: Coming soon
- Sakana Fugu-Ultra public-lane score: Coming soon

| Benchmark | Sakana Fugu | Sakana Fugu-Ultra | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 95.5% | 95.5% | Tie |
| GPQA-D | 95.5% | 95.5% | Tie |
| HLE w/o tools | 47.2% | 50% | Sakana Fugu-Ultra |

## FAQ

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

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

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

The widest category gap is in reasoning, where the averages are 70.6 for Sakana Fugu and 79 for Sakana Fugu-Ultra.

### How many benchmarks does Sakana Fugu cover on BenchLM?

Sakana Fugu currently has 11 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

- [Sakana Fugu vs Fugu Cyber](/compare/sakana-fugu-vs-sakana-fugu-cyber)
- [Sakana Fugu-Ultra vs Fugu Cyber](/compare/sakana-fugu-cyber-vs-sakana-fugu-ultra)
- [Sakana Fugu vs Sakana Fugu-Ultra v1.1](/compare/sakana-fugu-vs-sakana-fugu-ultra-v1-1)
- [Sakana Fugu-Ultra vs Sakana Fugu-Ultra v1.1](/compare/sakana-fugu-ultra-vs-sakana-fugu-ultra-v1-1)

## Explore More

- [Sakana Fugu profile](/models/sakana-fugu)
- [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)