# Gemma 4 31B vs Sakana Fugu

> Side-by-side benchmark comparison for Gemma 4 31B and Sakana Fugu across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemma-4-31b-vs-sakana-fugu
- Last updated: September 27, 2026

- Shared sourced benchmarks: 2
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.7

## Quick Verdict

Evidence is too thin for a benchmark verdict: Gemma 4 31B and Sakana Fugu share only 2 sourced benchmark rows.

## Summary

- Only 2 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.
- Sakana Fugu has the larger published context window at 1M.

## Model Snapshot

| Property | Gemma 4 31B | Sakana Fugu |
|----------|----------|----------|
| Creator | Google | Sakana AI |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 256K | 1M |
| Independent public score (not head-to-head) | 44.84 | null |
| Benchmarks Covered | 8 | 11 |
| Pricing (input/output) | $0.00 / $0.00 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Gemma 4 31B public-lane score: 23.9 (Estimated · #83/105)
- Sakana Fugu public-lane score: Coming soon

| Benchmark | Gemma 4 31B | Sakana Fugu | Winner |
|-----------|-----------|-----------|--------|
| Gert Labs | 35.26% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 80.2% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Gemma 4 31B public-lane score: 35.7 (Supported · #72/135)
- Sakana Fugu public-lane score: Coming soon

| Benchmark | Gemma 4 31B | Sakana Fugu | Winner |
|-----------|-----------|-----------|--------|
| SWE-Rebench | 41.6% | Coming soon | Coming soon |
| React Native Evals | 75.2% | Coming soon | Coming soon |
| SWE-bench Pro | Coming soon | 59% | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 80.2% | 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 |

### Reasoning

- Winner: Insufficient shared evidence
- Gemma 4 31B public-lane score: 70 (Unranked · 2 rankable rows)
- Sakana Fugu public-lane score: 70.6 (Unranked · 1 rankable row)

| Benchmark | Gemma 4 31B | Sakana Fugu | Winner |
|-----------|-----------|-----------|--------|
| MRCRv2 | Coming soon | 86.6% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Gemma 4 31B public-lane score: 58.5 (#32/50)
- Sakana Fugu public-lane score: 68.6 (Unranked · 1 rankable row)

| Benchmark | Gemma 4 31B | Sakana Fugu | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 76.9% | Coming soon | Coming soon |
| CharXiv | Coming soon | 85.1% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Gemma 4 31B public-lane score: 40 (Supported · #91/158)
- Sakana Fugu public-lane score: Coming soon

| Benchmark | Gemma 4 31B | Sakana Fugu | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 84.3% | 95.5% | Sakana Fugu |
| MMLU-Pro | 85.2% | Coming soon | Coming soon |
| HLE | 26.5% | Coming soon | Coming soon |
| HLE w/o tools | 19.5% | 47.2% | Sakana Fugu |
| GPQA-D | Coming soon | 95.5% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Gemma 4 31B public-lane score: 91.5 (#12/124)
- Sakana Fugu public-lane score: Coming soon

## FAQ

### Is there enough evidence to pick between Gemma 4 31B and Sakana Fugu?

Not yet. The models share only 2 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

- [Gemma 4 31B vs Gemma 4 26B A4B](/compare/gemma-4-26b-a4b-vs-gemma-4-31b)
- [Sakana Fugu vs Gemma 4 26B A4B](/compare/gemma-4-26b-a4b-vs-sakana-fugu)
- [Gemma 4 31B vs Gemma 4 E4B](/compare/gemma-4-31b-vs-gemma-4-e4b)
- [Sakana Fugu vs Gemma 4 E4B](/compare/gemma-4-e4b-vs-sakana-fugu)

## Explore More

- [Gemma 4 31B profile](/models/gemma-4-31b)
- [Sakana Fugu profile](/models/sakana-fugu)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)