# Laguna S 2.1 vs Sakana Fugu

> Side-by-side benchmark comparison for Laguna S 2.1 and Sakana Fugu across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/laguna-s-2-1-vs-sakana-fugu
- Last updated: September 4, 2026

- Shared sourced benchmarks: 3
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Evidence is too thin for a benchmark verdict: Laguna S 2.1 and Sakana Fugu share only 3 sourced benchmark rows.

## Summary

- Only 3 shared sourced benchmark rows are available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- Sakana Fugu has the lower published output-token price.

## Model Snapshot

| Property | Laguna S 2.1 | Sakana Fugu |
|----------|----------|----------|
| Creator | Poolside | Sakana AI |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Independent public score (not head-to-head) | null | null |
| Benchmarks Covered | 6 | 11 |
| Pricing (input/output) | $0.10 / $0.20 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Laguna S 2.1 public-lane score: 48.2 (Estimated · #77/151)
- Sakana Fugu public-lane score: Coming soon

| Benchmark | Laguna S 2.1 | Sakana Fugu | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 70.2% | 80.2% | Sakana Fugu |
| Toolathlon-Verified | 49.7% | Coming soon | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Laguna S 2.1 public-lane score: 47.8 (Estimated · #87/183)
- Sakana Fugu public-lane score: Coming soon

| Benchmark | Laguna S 2.1 | Sakana Fugu | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 70.2% | 80.2% | Sakana Fugu |
| SWE Multilingual | 78.5% | Coming soon | Coming soon |
| SWE-bench Pro | 59.4% | 59% | Laguna S 2.1 |
| deepSwe | 40.4% | Coming soon | Coming soon |
| LiveCodeBench v6 | Coming soon | 92.9% | Coming soon |
| LiveCodeBench Pro | Coming soon | 87.8% | Coming soon |
| SciCode | Coming soon | 60.1% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Laguna S 2.1 public-lane score: Coming soon
- Sakana Fugu public-lane score: 68.6 (Unranked · 1 rankable row)

| Benchmark | Laguna S 2.1 | Sakana Fugu | Winner |
|-----------|-----------|-----------|--------|
| CharXiv | Coming soon | 85.1% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Laguna S 2.1 public-lane score: Coming soon
- Sakana Fugu public-lane score: 69.6 (Unranked · 1 rankable row)

| Benchmark | Laguna S 2.1 | Sakana Fugu | Winner |
|-----------|-----------|-----------|--------|
| MRCRv2 | Coming soon | 86.6% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Laguna S 2.1 public-lane score: Coming soon
- Sakana Fugu public-lane score: Coming soon

| Benchmark | Laguna S 2.1 | Sakana Fugu | Winner |
|-----------|-----------|-----------|--------|
| GPQA | Coming soon | 95.5% | Coming soon |
| GPQA-D | Coming soon | 95.5% | Coming soon |
| HLE w/o tools | Coming soon | 47.2% | Coming soon |

## FAQ

### Is there enough evidence to pick between Laguna S 2.1 and Sakana Fugu?

Not yet. The models share only 3 sourced benchmark rows, so this mirror reports the available measurements and metadata without naming a broad winner.

### What can I compare safely on this page?

Published pricing, context windows, model type, and individual shared benchmark rows are directly comparable. Independent overall scores and non-overlapping benchmark coverage are labeled separately and should not be read as a controlled head-to-head result.

## Related Comparisons

- [Laguna S 2.1 vs Laguna M.1](/compare/laguna-m-1-vs-laguna-s-2-1)
- [Sakana Fugu vs Laguna M.1](/compare/laguna-m-1-vs-sakana-fugu)
- [Laguna S 2.1 vs Laguna XS.2](/compare/laguna-s-2-1-vs-laguna-xs-2)
- [Sakana Fugu vs Laguna XS.2](/compare/laguna-xs-2-vs-sakana-fugu)

## Explore More

- [Laguna S 2.1 profile](/models/laguna-s-2-1)
- [Sakana Fugu profile](/models/sakana-fugu)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)