# Celeris-1 vs Sakana Fugu-Ultra

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

- Canonical page: https://benchlm.ai/compare/celeris-1-vs-sakana-fugu-ultra
- 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 Celeris-1 and Sakana Fugu-Ultra.

## Summary

- Celeris-1 and Sakana Fugu-Ultra 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 | Celeris-1 | Sakana Fugu-Ultra |
|----------|----------|----------|
| Creator | Celeris | Sakana AI |
| Type | Proprietary | Proprietary |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 128K | 1M |
| Independent public score (not head-to-head) | null | null |
| Benchmarks Covered | 4 | 11 |
| Pricing (input/output) | $0.20 / $0.70 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Celeris-1 public-lane score: Coming soon
- Sakana Fugu-Ultra public-lane score: Coming soon

| Benchmark | Celeris-1 | Sakana Fugu-Ultra | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | Coming soon | 82.1% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Celeris-1 public-lane score: Coming soon
- Sakana Fugu-Ultra public-lane score: Coming soon

| Benchmark | Celeris-1 | Sakana Fugu-Ultra | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Pro | Coming soon | 73.7% | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 82.1% | Coming soon |
| LiveCodeBench v6 | Coming soon | 93.2% | Coming soon |
| LiveCodeBench Pro | Coming soon | 90.8% | Coming soon |
| SciCode | Coming soon | 58.7% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Celeris-1 public-lane score: Coming soon
- Sakana Fugu-Ultra public-lane score: 72.8 (Unranked · 1 rankable row)

| Benchmark | Celeris-1 | Sakana Fugu-Ultra | Winner |
|-----------|-----------|-----------|--------|
| CharXiv | Coming soon | 86.6% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Celeris-1 public-lane score: 47.8 (Unranked · 3 rankable rows)
- Sakana Fugu-Ultra public-lane score: 77.9 (Unranked · 1 rankable row)

| Benchmark | Celeris-1 | Sakana Fugu-Ultra | Winner |
|-----------|-----------|-----------|--------|
| DROP | 81.4% | Coming soon | Coming soon |
| MRCRv2 | Coming soon | 93.6% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Celeris-1 public-lane score: Coming soon
- Sakana Fugu-Ultra public-lane score: Coming soon

| Benchmark | Celeris-1 | Sakana Fugu-Ultra | Winner |
|-----------|-----------|-----------|--------|
| MMLU-Pro | 75.9% | Coming soon | Coming soon |
| GPQA | Coming soon | 95.5% | Coming soon |
| GPQA-D | Coming soon | 95.5% | Coming soon |
| HLE w/o tools | Coming soon | 50% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Celeris-1 public-lane score: Coming soon
- Sakana Fugu-Ultra public-lane score: Coming soon

| Benchmark | Celeris-1 | Sakana Fugu-Ultra | Winner |
|-----------|-----------|-----------|--------|
| IFEval | 80.8% | Coming soon | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- Celeris-1 public-lane score: Coming soon
- Sakana Fugu-Ultra public-lane score: Coming soon

| Benchmark | Celeris-1 | Sakana Fugu-Ultra | Winner |
|-----------|-----------|-----------|--------|
| GSM8K | 93.7% | Coming soon | Coming soon |

## FAQ

### Can I compare Celeris-1 and Sakana Fugu-Ultra 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

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

## Explore More

- [Celeris-1 profile](/models/celeris-1)
- [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)