Model overview
Fugu Ultra is the higher-performance model in Sakana AI's Fugu family. Rather than a single monolithic model, Fugu is a learned multi-agent orchestration system: a language model trained to route...
The summary below is compiled from sources by an AI model, not our own testing. Verify selection decisions against original sources and your workload.
Key features
- Learned multi-agent orchestration system, not a monolithic model
- Supports both text and image inputs
- Optimized for reasoning and structured outputs, with tool-use capability
Limitations & considerations
Sources are insufficient to establish specific limitations. Verify task performance, latency, data policies, licensing and version lifecycle.
Source prices & cost analysis
Prices vary by channel, region and configuration. Channel quotes are listed independently and are not treated as a single official provider price.
| Source / channel | Input | Output | Billing unit | Collected at |
|---|---|---|---|---|
| OpenRouter · sakana/fugu-ultra ↗ | USD 5 | USD 30 | Per million tokens | 2026/11/2 06:25:22 |
OpenRouter · sakana/fugu-ultra · 阶梯定价
[
{
"min_prompt_tokens": 272000,
"prompt": "0.00001",
"completion": "0.000045",
"input_cache_read": "0.000001"
}
]Some channels offer cache discounts. Check the source for cache read, write and additional fees.
Estimate monthly base token costs
Estimates exclude cache discounts, tiered pricing, multimodal surcharges, web search, taxes and additional reasoning output.
Public benchmarks & run configuration
暂无已采集的可核验公开评分。模型未上榜不代表能力较低。
View full indexed rankings →Frequently asked questions
Is Fugu Ultra a traditional single-model architecture?
No — Fugu Ultra is a learned multi-agent orchestration system, where a language model is trained to route between specialized agents.
What input modalities does Fugu Ultra support?
It accepts both text and image inputs.
What types of tasks is Fugu Ultra designed for?
It is designed for reasoning-intensive tasks, generating structured outputs, and leveraging external tools.
Do open weights permit free commercial use?
Not necessarily. Check the version license, commercial conditions and usage policies. Self-hosting incurs compute and maintenance costs.
Are these real-time billing prices?
These are timestamped source snapshots, not live billing prices. Check the channel for current versions, regions, discounts and billing methods.
Sources & traceability
许可证：来源未披露，须进一步核验。模型介绍与第三方评测均以原来源的具体版本和方法为准。