AI Model APIs
AI Model APIsProviders
AI Model APIs

The complete platform for comparing AI models. Find pricing, capabilities, and the perfect model for your use case.

contact@aimodelapis.com

Resources

  • AI Models APIs
  • Providers

About

  • About
  • Contact
  • Privacy Policy
  • Terms of Service

© 2026 AI Model APIs. All rights reserved.

Back to Models
Sakana AI

Fugu Ultra API

Sakana AI
About

Build advanced reasoning agents with Fugu Ultra, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $5.00/1M input and $30.00/1M output tokens, native tool calling support. Access Fugu Ultra via the Sakana AI API with up to 1.0M output tokens.

Capabilities

Input Modalities

textimage

Output Modalities

text
Reasoning
Yes
Structured Output
Yes
Tool Use
Yes
WeightsClosed
Temperature
Fixed
Attachment
Supported
Limits
Context Window
1.0M

Tokens

Input Limit
1.0M

Tokens

Max Output
1.0M

Tokens

Pricing

Standard (per 1M tokens)

Input
$5.00
Output
$30.00

Caching (per 1M tokens)

Read
$0.50
Frequently Asked Questions

Fugu Ultra by Sakana AI costs $5.00 per 1M input tokens and $30.00 per 1M output tokens. Cached reads cost $0.50 per 1M tokens.

Model Details
ID
fugu-ultra
Provider
Sakana AI
Family
fugu
Release Date
Jun 15, 2026
Knowledge Cutoff
N/A
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
SAKANA_API_KEY
API Base URL
https://api.sakana.ai/v1
Documentation