# GPT-4o vs Sakana Fugu-Ultra v1.1

> Side-by-side benchmark comparison for GPT-4o and Sakana Fugu-Ultra v1.1 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gpt-4o-vs-sakana-fugu-ultra-v1-1
- Last updated: September 4, 2026

- Shared sourced benchmarks: 0
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for GPT-4o and Sakana Fugu-Ultra v1.1.

## Summary

- GPT-4o and Sakana Fugu-Ultra v1.1 do not currently share a sourced benchmark row. The mirror therefore compares metadata, pricing, context windows, and each model's separately reported coverage without naming a benchmark winner.

## Model Snapshot

| Property | GPT-4o | Sakana Fugu-Ultra v1.1 |
|----------|----------|----------|
| Creator | OpenAI | Sakana AI |
| Type | Proprietary | Proprietary |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 128K | 1M |
| Independent public score (not head-to-head) | 40.48 | null |
| Benchmarks Covered | 1 | 0 |
| Pricing (input/output) | $2.50 / $10.00 | $5.00 / $30.00 |

## Category Breakdown

### Coding

- Winner: Insufficient shared evidence
- GPT-4o public-lane score: 38.7 (Estimated · #145/183)
- Sakana Fugu-Ultra v1.1 public-lane score: Coming soon

### Knowledge

- Winner: Insufficient shared evidence
- GPT-4o public-lane score: 38.2 (Estimated · #148/181)
- Sakana Fugu-Ultra v1.1 public-lane score: Coming soon

### Instruction Following

- Winner: Insufficient shared evidence
- GPT-4o public-lane score: 39 (#105/120)
- Sakana Fugu-Ultra v1.1 public-lane score: Coming soon

### Mathematics

- Winner: Insufficient shared evidence
- GPT-4o public-lane score: 25.3 (Unranked · 1 rankable row)
- Sakana Fugu-Ultra v1.1 public-lane score: Coming soon

| Benchmark | GPT-4o | Sakana Fugu-Ultra v1.1 | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 0.345% | Coming soon | Coming soon |

## FAQ

### Can I compare GPT-4o and Sakana Fugu-Ultra v1.1 on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but sourced benchmark coverage is still incomplete for a fair score-level comparison.

### Why does this page show "coming soon" values?

BenchLM only calls winners when public benchmark coverage is available on both sides of the comparison.

## Related Comparisons

- [GPT-4o vs GPT-4o mini](/compare/gpt-4o-vs-gpt-4o-mini)
- [Sakana Fugu-Ultra v1.1 vs GPT-4o mini](/compare/gpt-4o-mini-vs-sakana-fugu-ultra-v1-1)
- [GPT-4o vs Sakana Fugu-Ultra](/compare/gpt-4o-vs-sakana-fugu-ultra)
- [Sakana Fugu-Ultra v1.1 vs Sakana Fugu-Ultra](/compare/sakana-fugu-ultra-vs-sakana-fugu-ultra-v1-1)

## Explore More

- [GPT-4o profile](/models/gpt-4o)
- [Sakana Fugu-Ultra v1.1 profile](/models/sakana-fugu-ultra-v1-1)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)