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.

VisionToolsReasoning

Context 1M·Max out 1M

Quickstart

import { streamText } from 'ai';
import { createOpenAICompatible } from '@ai-sdk/openai-compatible';

const blackbox = createOpenAICompatible({
  name: 'blackbox',
  apiKey: process.env.BLACKBOX_API_KEY!,
  baseURL: 'https://api.blackbox.ai/v1',
});

const result = streamText({
  model: blackbox('blackboxai/sakana/fugu-ultra'),
  prompt: 'Why is the sky blue?',
});

for await (const chunk of result.textStream) {
  process.stdout.write(chunk);
}

Specs & pricing

Input $/M: 5
Output $/M: 30
Context window: 1M
Max output: 1M
Supported parameters: —

Related models

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NVIDIA: Nemotron 3 Ultra	Text	1M	0.6
Kimi K2.7 Code	Text	262.1K	0.95
GLM 5.2	Text	1.0M	1.40
Gemma 4 31B	Text	262.1K	0.14
GPT-OSS 120B	Text	131K	0.1