How to Download Fugu AI (Sakana Fugu)

This guide explains how to access and download the Fugu AI orchestration system from our website. Fugu AI is a “model of models” developed by Sakana AI, launched in June 2026. Follow these simple steps to get started.

Step 1: Visit the Official Website

Open your web browser and go to the official Sakana AI website. Look for the Fugu AI product page. The site will clearly show the two variants: standard Fugu for everyday tasks and Fugu Ultra for complex challenges like AI research.

Step 2: Choose Your Variant

On the product page, you will see two options:

  • Fugu (Standard): Best for coding, chat, and daily use. It balances performance and speed.
  • Fugu Ultra: Designed for advanced tasks like cybersecurity analysis, patent investigation, and multi-step research. It uses a deeper pool of expert models.

Select the variant that matches your needs.

Step 3: Create an Account

Click the “Get Started” or “Sign Up” button. You will need to provide your email address and create a password. After submitting, check your email for a verification link and click it to activate your account.

Step 4: Review Pricing and Plans

Once logged in, you will see the pricing details. Fugu Ultra costs $5 per million input tokens and $30 per million output tokens. There are also subscription plans available for higher usage. Standard Fugu pricing is listed separately. Review the options and choose a plan that fits your budget.

Step 5: Access the API Key

After selecting your plan, navigate to the “API Keys” section in your account dashboard. Click “Generate New Key.” Copy the key and store it securely. This key is your unique access credential.

Step 6: Download the Client Library or SDK

On the same page, you will find links to download the official client library. Fugu AI uses an OpenAI-compatible API endpoint. You can download the Python SDK or use any HTTP client. The download button will provide a zip file or a direct link to the package manager (e.g., pip install).

Step 7: Install and Configure

If you downloaded a zip file, extract it and run the installation command in your terminal. For example, if using Python, type: pip install fugu-ai. Then, configure your environment by setting your API key as an environment variable or passing it directly in your code.

Step 8: Test Your Connection

Run a simple test query to confirm everything works. Use the provided sample code in the documentation. For example, send a prompt like “Explain how Fugu works in one sentence.” If you receive a response, you are ready to use Fugu AI.

Important Notes

  • Fugu AI is currently available as a proprietary API. There is no standalone offline download.
  • Access is restricted in the EU/EEA due to GDPR compliance. If you are in this region, you may not be able to complete the download.
  • Some users report slower response times for complex tasks. Test with your specific use case to evaluate performance.

If you encounter any issues, check the FAQ section on the website or contact support. Enjoy using Fugu AI, the innovative orchestration system that combines the power of multiple frontier models like GPT-5.5 and Gemini 3.1 Pro through a single API.