# Atria Dawn Preview vs Sakana Fugu-Ultra

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

- Canonical page: https://benchlm.ai/compare/atria-dawn-preview-vs-sakana-fugu-ultra
- Last updated: September 14, 2026

- Shared sourced benchmarks: 1
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Evidence is too thin for a benchmark verdict: Atria Dawn Preview and Sakana Fugu-Ultra share only 1 sourced benchmark row.

## Summary

- Only 1 shared sourced benchmark row is available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- Sakana Fugu-Ultra has the lower published output-token price.
- Sakana Fugu-Ultra has the larger published context window at 1M.

## Model Snapshot

| Property | Atria Dawn Preview | Sakana Fugu-Ultra |
|----------|----------|----------|
| Creator | Shanghai Artificial Intelligence Laboratory | Sakana AI |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 256K | 1M |
| Independent public score (not head-to-head) | null | null |
| Benchmarks Covered | 13 | 11 |
| Pricing (input/output) | $0.00 / $0.00 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Atria Dawn Preview public-lane score: 57.9 (Estimated · #31/153)
- Sakana Fugu-Ultra public-lane score: Coming soon

| Benchmark | Atria Dawn Preview | Sakana Fugu-Ultra | Winner |
|-----------|-----------|-----------|--------|
| AutomationBench | 53.8% | Coming soon | Coming soon |
| BFCL v4 | 77.0% | Coming soon | Coming soon |
| CyberGym | 86.5% | Coming soon | Coming soon |
| DeepSearchQA | 96.0% | Coming soon | Coming soon |
| BrowseComp | 92.5% | Coming soon | Coming soon |
| skillsBench | 66.4% | Coming soon | Coming soon |
| MLE-Bench Lite | 86.2% | Coming soon | Coming soon |
| WideResearch | 81.9% | Coming soon | Coming soon |
| τ³-bench results | 41.2% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 78.3% | Coming soon | Coming soon |
| JobBench | 50.3% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 82.1% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Atria Dawn Preview public-lane score: 51.6 (Estimated · #51/152)
- Sakana Fugu-Ultra public-lane score: Coming soon

| Benchmark | Atria Dawn Preview | Sakana Fugu-Ultra | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 78.3% | Coming soon | Coming soon |
| SWE-bench Pro | 59.6% | 73.7% | Sakana Fugu-Ultra |
| 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
- Atria Dawn Preview public-lane score: Coming soon
- Sakana Fugu-Ultra public-lane score: 72.8 (Unranked · 1 rankable row)

| Benchmark | Atria Dawn Preview | Sakana Fugu-Ultra | Winner |
|-----------|-----------|-----------|--------|
| CharXiv | Coming soon | 86.6% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Atria Dawn Preview public-lane score: Coming soon
- Sakana Fugu-Ultra public-lane score: 77.9 (Unranked · 1 rankable row)

| Benchmark | Atria Dawn Preview | Sakana Fugu-Ultra | Winner |
|-----------|-----------|-----------|--------|
| MRCRv2 | Coming soon | 93.6% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Atria Dawn Preview public-lane score: Coming soon
- Sakana Fugu-Ultra public-lane score: Coming soon

| Benchmark | Atria Dawn Preview | Sakana Fugu-Ultra | Winner |
|-----------|-----------|-----------|--------|
| GPQA | Coming soon | 95.5% | Coming soon |
| GPQA-D | Coming soon | 95.5% | Coming soon |
| HLE w/o tools | Coming soon | 50% | Coming soon |

## FAQ

### Is there enough evidence to pick between Atria Dawn Preview and Sakana Fugu-Ultra?

Not yet. The models share only 1 sourced benchmark row, 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

- [Atria Dawn Preview vs Sakana Fugu](/compare/atria-dawn-preview-vs-sakana-fugu)
- [Sakana Fugu-Ultra vs Sakana Fugu](/compare/sakana-fugu-vs-sakana-fugu-ultra)
- [Atria Dawn Preview vs Fugu Cyber](/compare/atria-dawn-preview-vs-sakana-fugu-cyber)
- [Sakana Fugu-Ultra vs Fugu Cyber](/compare/sakana-fugu-cyber-vs-sakana-fugu-ultra)

## Explore More

- [Atria Dawn Preview profile](/models/atria-dawn-preview)
- [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)