Text model
Fugu Ultra V2
sakana/fugu-ultra-v2
sakana/fugu-ultra-v2 is a language model from Sakana AI you can call on the OceanToken API at $5.00 per 1M input tokens and $30.00 per 1M output tokens, with a 1M-token context window and up to 128K output tokens; it supports reasoning, tool calling, image input.
At a glance
| Model ID | sakana/fugu-ultra-v2 |
|---|---|
| Type | Text |
| Publisher | Sakana AI |
| Context window | 1,000,000 tokens |
| Max output | 128,000 tokens |
| Input price | $5.00 per 1M tokens |
| Output price | $30.00 per 1M tokens |
| Cached input price | $0.50 per 1M tokens |
| Capabilities | reasoning, tool calling, image input |
| Endpoint | /v1/chat/completions, /v1/responses |
| API shape | OpenAI-compatible |
| In the catalog since | 2026-09-11 |
Call it
Base URL https://api.oceantoken.ai/v1, your OceanToken key as the bearer token, and the model ID above as model. The OpenAI SDKs work unchanged; see your first request.
curl https://api.oceantoken.ai/v1/chat/completions \
-H "Authorization: Bearer $OCEANTOKEN_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model": "sakana/fugu-ultra-v2", "messages": [{"role": "user", "content": "Hello"}]}'
Compared with similar models
Text models on OceanToken closest to sakana/fugu-ultra-v2 in price. Every price is what you pay, in US dollars, with no platform fee on top.
| Model | Publisher | Context | Price (per 1M tokens) |
|---|---|---|---|
| Fugu Ultra V2 | Sakana AI | 1,000,000 | $5.00 / $30.00 |
GPT-4 Turboopenai/gpt-4-turbo | OpenAI | 128K | $10.00 / $30.00 |
GPT-5.5openai/gpt-5.5 | OpenAI | 1.05M | $5.00 / $30.00 |
GPT Chat Latestopenai/gpt-chat-latest | OpenAI | 272K | $5.00 / $30.00 |
More from Sakana AI
- Fugu Max
sakana/fugu-max - Fugu Ultra
sakana/fugu-ultra
All Sakana AI models on OceanToken
Use it
Create an account All models and prices
Prices and capabilities on this page were read from the live OceanToken catalog on 2026-10-18 (UTC), when the documentation was built. If a price has changed since, the console's Models page shows the current one.