Fugu Ultra
Sakana AI released 2026-06-24
No independent quality score.
No benchmark we track has measured this model. That is not the same as measuring it and finding it wanting — we simply cannot rank it, so we do not.
Every price dimension
| Input | $5.00/M |
|---|---|
| Output | $30.00/M |
| Cached input | $0.500/M |
| Web search | $0.01/call |
Past 272,000 tokens the price changes. Input goes to $10.00/M (2×) and output to $45.00/M. The headline rate does not apply to a long-context workload.
Independent scores
No independent benchmark has measured this model.
Capability
| Context window | 1M |
|---|---|
| Max output | 128K |
| Input modes | text, image |
| Tool use | yes |
| Reasoning | always on |
Provenance
| Price source | openrouter.ai |
|---|---|
| Fetched | 2026-08-24 |
| Quality data | unrated |
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...