# Claude Opus 4.6 vs Sakana Fugu

> Side-by-side benchmark comparison for Claude Opus 4.6 and Sakana Fugu across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-opus-4-6-vs-sakana-fugu
- Last updated: September 27, 2026

- Shared sourced benchmarks: 5
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.7

## Quick Verdict

Pick Sakana Fugu if you want the stronger benchmark profile. Claude Opus 4.6 only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Sakana Fugu leads overall 65 to 63.64.
- The clearest category separation is in multimodal & grounded, where the averages are 59.6 for Claude Opus 4.6 and 68.6 for Sakana Fugu.
- The biggest single benchmark swing is LiveCodeBench Pro in Coding, with scores of 70.7% and 87.8%.
- Sakana Fugu is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | Claude Opus 4.6 | Sakana Fugu |
|----------|----------|----------|
| Creator | Anthropic | Sakana AI |
| Type | Proprietary | Proprietary |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 1M | 1M |
| Overall Score | 63.64 | null |
| Benchmarks Covered | 34 | 11 |
| Pricing (input/output) | $5.00 / $25.00 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Claude Opus 4.6 public-lane score: 44.3 (Supported · #39/105)
- Sakana Fugu public-lane score: Coming soon

| Benchmark | Claude Opus 4.6 | Sakana Fugu | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 65.4% | Coming soon | Coming soon |
| BrowseComp | 83.7% | Coming soon | Coming soon |
| OSWorld-Verified | 72.7% | Coming soon | Coming soon |
| Claw-Eval | 70.4% | Coming soon | Coming soon |
| DeepSearchQA | 73.7% | Coming soon | Coming soon |
| CyberGym | 66.6% | Coming soon | Coming soon |
| Gert Labs | 61.85% | Coming soon | Coming soon |
| ResearchClawBench | 19.9% | Coming soon | Coming soon |
| JobBench | 36.7% | Coming soon | Coming soon |
| ApprenticeBench | 5% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 80.2% | Coming soon |

### Coding

- Winner: Not comparable
- Claude Opus 4.6 public-lane score: 51.1 (Supported · #36/135)
- Sakana Fugu public-lane score: Coming soon

| Benchmark | Claude Opus 4.6 | Sakana Fugu | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 80.8% | Coming soon | Coming soon |
| SWE-bench Verified* | 75.6% | Coming soon | Coming soon |
| LiveCodeBench Pro | 70.7% | 87.8% | Sakana Fugu |
| SWE-bench Pro | 53.4% | 59% | Sakana Fugu |
| SWE-Rebench | 65.3% | Coming soon | Coming soon |
| React Native Evals | 84.1% | Coming soon | Coming soon |
| Vibe Code Bench | 57.57% | Coming soon | Coming soon |
| FrontierCode 1.1 Main | 26.9% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 80.2% | Coming soon |
| LiveCodeBench v6 | Coming soon | 92.9% | Coming soon |
| SciCode | Coming soon | 60.1% | Coming soon |

### Reasoning

- Winner: Not comparable
- Claude Opus 4.6 public-lane score: 68.1 (Unranked · 2 rankable rows)
- Sakana Fugu public-lane score: 70.6 (Unranked · 1 rankable row)

| Benchmark | Claude Opus 4.6 | Sakana Fugu | Winner |
|-----------|-----------|-----------|--------|
| MRCRv2 | Coming soon | 86.6% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Claude Opus 4.6 public-lane score: 59.6 (#30/50)
- Sakana Fugu public-lane score: 68.6 (Unranked · 1 rankable row)

| Benchmark | Claude Opus 4.6 | Sakana Fugu | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 77.3% | Coming soon | Coming soon |
| ERQA | 51.6% | Coming soon | Coming soon |
| ScreenSpot Pro | 83.1% | Coming soon | Coming soon |
| MedXpertQA (MM) | 64.8% | Coming soon | Coming soon |
| CharXiv | Coming soon | 85.1% | Coming soon |

### Knowledge

- Winner: Not comparable
- Claude Opus 4.6 public-lane score: 58.7 (Estimated · #37/158)
- Sakana Fugu public-lane score: Coming soon

| Benchmark | Claude Opus 4.6 | Sakana Fugu | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 91.3% | 95.5% | Sakana Fugu |
| GPQA-D | 89.2% | 95.5% | Sakana Fugu |
| SuperGPQA | 95% | Coming soon | Coming soon |
| MMLU-Pro | 82% | Coming soon | Coming soon |
| MMLU-Pro (Arcee) | 89.1% | Coming soon | Coming soon |
| HLE | 53% | Coming soon | Coming soon |
| HLE w/o tools | 40% | 47.2% | Sakana Fugu |
| HealthBench Hard | 14.8% | Coming soon | Coming soon |
| MedXpertQA (Text) | 52.1% | Coming soon | Coming soon |

### Instruction Following

- Winner: Not comparable
- Claude Opus 4.6 public-lane score: 51 (#79/124)
- Sakana Fugu public-lane score: Coming soon

### Mathematics

- Winner: Not comparable
- Claude Opus 4.6 public-lane score: 58.5 (Unranked · 3 rankable rows)
- Sakana Fugu public-lane score: Coming soon

| Benchmark | Claude Opus 4.6 | Sakana Fugu | Winner |
|-----------|-----------|-----------|--------|
| AIME25 (Arcee) | 99.8% | Coming soon | Coming soon |
| FrontierMath v2 (Tiers 1-3) | 40.700% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 22.900% | Coming soon | Coming soon |

## FAQ

### Which is better overall, Claude Opus 4.6 or Sakana Fugu?

Sakana Fugu is ahead overall on BenchLM right now.

### Where is the biggest gap between Claude Opus 4.6 and Sakana Fugu?

The widest category gap is in multimodal & grounded, where the averages are 59.6 for Claude Opus 4.6 and 68.6 for Sakana Fugu.

### How many benchmarks does Claude Opus 4.6 cover on BenchLM?

Claude Opus 4.6 currently has 34 sourced benchmark scores on BenchLM.

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

Sakana Fugu currently has 11 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Claude Opus 4.6 vs Claude Opus 4.6 (Adaptive)](/compare/claude-opus-4-6-vs-claude-opus-4-6-thinking)
- [Sakana Fugu vs Claude Opus 4.6 (Adaptive)](/compare/claude-opus-4-6-thinking-vs-sakana-fugu)
- [Claude Opus 4.6 vs Sakana Fugu-Ultra](/compare/claude-opus-4-6-vs-sakana-fugu-ultra)
- [Sakana Fugu vs Sakana Fugu-Ultra](/compare/sakana-fugu-vs-sakana-fugu-ultra)

## Explore More

- [Claude Opus 4.6 profile](/models/claude-opus-4-6)
- [Sakana Fugu profile](/models/sakana-fugu)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)