Fugu Ultra
Fugu Ultra coordinates a deeper pool of expert agents to maximize answer quality on hard, high-stakes problems. Fugu Ultra focuses on maximizing performance, for a higher cost. It routes between one to three agents, depending on the problem.
Vision (Image)Tool UseReasoning
index.ts
import { streamText } from 'ai'
const result = streamText({ model: 'sakana/fugu-ultra', prompt: 'Why is the sky blue?'})Providers
Route requests across multiple providers. Copy a provider slug to set your preference. Visit the docs for more info. Using a provider means you agree to their terms, listed under Legal.
| Provider |
|---|
 Sakana AI | 1M | 15.4s | $5.00/M | $30.00/M | Read: $0.5/M Write: — | — | — | +1 | 06/21/2026 |