Fugu Ultra: API pricing, providers and specs
Fugu Ultra is a text model by Sakana AI. 4 providers serve it, from $30 to $30 /1M; the lowest price is at Vercel AI Gateway.
How Fugu Ultra compares
Against the 737 text models on the site priced the same way.
- Pricey for its class: at $30 /1M, its lowest price is above 96% of comparable models (median $1.10).
- Its 1M-token context window is larger than 67% of them (median 262K), about 1500 pages of text.
- 4 providers serve it; 60% of comparable models have fewer.
Fugu Ultra prices by provider
Every provider's list price, read from its own price page or API. A price marked “from” changes with context length, resolution or mode.
| Provider | Input | Output | Prompt caching | Context |
|---|---|---|---|---|
 Requesty | $5/1M | From$30/1M | $0.50/1M | 1.05M |
| Vercel AI Gateway | $5/1M | $30/1M | $0.50/1M | 1M |
 EmpirioLabs AI | $5/1M | From$30/1M | $0.50/1M | 1M |
| OpenRouter | $5/1M | From$30/1M | $0.50/1M | 1M |
- Vercel AI Gateway$30
- RequestyFrom$30
- EmpirioLabs AIFrom$30
- OpenRouterFrom$30
Specs
- Type
- Text
- Maker
- Sakana AI
- Inputs
- Image, Text
- Outputs
- Text
- Context
- 1M≈ 1500 pages of text
- Max output
- 128K
- Capabilities
- Prompt caching, JSON, Reasoning, Tool calling, Vision
- Released
- Jun 21, 2026
- License
- proprietary
- Open weights
- No, API only
Alternatives to Fugu Ultra
Same kind of model from other makers, at a similar price.
| Model | Lowest price | Context | Arena | Providers |
|---|---|---|---|---|
| Fugu Ultrathis model | $30/1M | 1M | — | 4 |
| GPT-6 Astra | $25/1M | 1.05M | 1775 | 31 |
 Muse Wonder | $16/1M | 1.05M | — | 14 |
| Claude Opus 5.5 | $16/1M | 1M | 1807 | 33 |
| Claude-Sonnet-3.5 | $15/1M | — | 1298 | 1 |
| Claude Opus 5 | $20/1M | 1M | 1690 | 32 |
| GPT-4 | $60/1M | 8K | 1206 | 5 |
| Claude Sonnet 4.6 | $12/1M | 1M | 1523 | 31 |
| Claude Fable 5 | $40/1M | 1M | 1624 | 30 |
More from Sakana AI
Fugu Ultra FAQ
The lowest price for Fugu Ultra is $30 /1M, at Vercel AI Gateway.
Vercel AI Gateway, at $30 /1M. 4 providers serve Fugu Ultra; the table above lists every one with its price.
Fugu Ultra reads up to 1M tokens per request and writes up to 128K.
No. Fugu Ultra is only available through an API; Sakana AI does not publish its weights.
4 API providers serve Fugu Ultra. Compare their prices above, or open a provider to see everything it offers.
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