Fugu Ultra v2.0: API pricing, providers and specs
Fugu Ultra v2.0 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 v2.0 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 v2.0 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 |
|---|---|---|---|---|
| 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 |
| ZenMux | $5/1M | From$30/1M | $0.50/1M | 1M |
- Vercel AI Gateway$30
- EmpirioLabs AIFrom$30
- OpenRouterFrom$30
- ZenMuxFrom$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
- Sep 10, 2026
- License
- —
- Open weights
- —
Alternatives to Fugu Ultra v2.0
Same kind of model from other makers, at a similar price.
| Model | Lowest price | Context | Arena | Providers |
|---|---|---|---|---|
| Fugu Ultra v2.0this 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 v2.0 FAQ
The lowest price for Fugu Ultra v2.0 is $30 /1M, at Vercel AI Gateway.
Vercel AI Gateway, at $30 /1M. 4 providers serve Fugu Ultra v2.0; the table above lists every one with its price.
Fugu Ultra v2.0 reads up to 1M tokens per request and writes up to 128K.
We have not found Fugu Ultra v2.0's weights published by its maker.
4 API providers serve Fugu Ultra v2.0. Compare their prices above, or open a provider to see everything it offers.
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