Ratings and Reviews 1 Rating

Total
ease
features

Ratings and Reviews 1 Rating

Total
ease
features
design

Alternatives to Consider

  • Gemini Enterprise Agent Platform Reviews & Ratings
    984 Ratings
    Company Website
  • Google AI Studio Reviews & Ratings
    30 Ratings
    Company Website
  • LM-Kit.NET Reviews & Ratings
    29 Ratings
    Company Website
  • Checksum.ai Reviews & Ratings
    1 Rating
    Company Website
  • Retool Reviews & Ratings
    584 Ratings
    Company Website
  • JAMS Reviews & Ratings
    279 Ratings
    Company Website
  • BAND Reviews & Ratings
    3 Ratings
    Company Website
  • Planview AdaptiveWork Reviews & Ratings
    714 Ratings
    Company Website
  • JetBrains Junie Reviews & Ratings
    12 Ratings
    Company Website
  • Daylight Reviews & Ratings
    10 Ratings
    Company Website

What is Fugu-Ultra v1.1?

Fugu-Ultra v1.1 is the upgraded multi-agent orchestration model created by Sakana AI, specifically engineered for complex coding challenges, agent-centric tasks, and advanced reasoning abilities. Rather than relying solely on a single model, it skillfully coordinates a range of state-of-the-art models, selecting and combining specialized agents that are optimally suited for specific tasks, all while maintaining a cohesive model interface. The recent orchestration enhancement in v1.1 introduces newer frontier models, yielding improved performance metrics across numerous benchmarks and achieving gains of up to 7.9 points over v1.0, with particularly remarkable results on ProgramBench and Terminal Bench 2.1. Furthermore, Fugu is now capable of integrating flawlessly within Claude Code through compatible endpoints, facilitating a collaborative ecosystem of models that operate seamlessly in user-friendly terminal environments for coding, debugging, reviewing, and executing scripts. Users can swiftly establish this integration with a simple one-command installer on both Ubuntu and macOS, while alternative manual setup options are available for Windows and other operating systems, thereby ensuring accessibility for a wide range of users. This innovative advancement not only optimizes workflows but also significantly boosts productivity by harnessing the unique strengths of multiple specialized agents, ultimately leading to more efficient software development practices. Such improvements reflect Sakana AI's commitment to enhancing the capabilities and usability of their orchestration models in response to user needs.

What is Claude Opus 4.8?

Claude Opus 4.8 is Anthropic’s latest frontier AI model engineered to deliver advanced coding intelligence, reasoning capabilities, autonomous workflows, and enterprise-grade collaboration for developers, technical teams, and organizations building AI-powered systems. As the successor to Claude Opus 4.7, the model introduces improvements across software engineering, agentic execution, practical knowledge work, benchmark performance, and alignment behavior while retaining the same standard pricing structure. Claude Opus 4.8 is specifically optimized for complex coding tasks, large-scale workflow orchestration, long-running automation processes, and advanced reasoning scenarios where reliability, transparency, and contextual judgment are critical. One of the model’s defining advancements is its improved honesty and uncertainty awareness, making it significantly less likely to produce unsupported conclusions or overlook defects in generated code, reasoning chains, and operational outputs. Anthropic’s alignment assessments also report stronger prosocial behavior, lower rates of deceptive or unsafe actions, and improved adherence to user intent compared to earlier Opus releases. The release introduces configurable effort controls that allow users to determine how much computational reasoning the model applies to a task, enabling flexible tradeoffs between speed, token consumption, and response depth depending on workflow complexity. Claude Opus 4.8 also powers new “dynamic workflows” functionality in Claude Code, where the model can coordinate hundreds of parallel AI subagents during a single session to execute large-scale software engineering operations such as repository-wide migrations, testing workflows, and multi-step automation tasks. Anthropic further expanded the platform with lower-cost fast mode processing, enabling the model to operate at significantly higher speeds while remaining more affordable than previous high-performance configurations.

Media

Media

Integrations Supported

Aider
Anything
Bolt.new
C
Charlie
Claude Science
Claude Security
Claude Tag
Cursor
Gemini Enterprise Agent Platform
GitHub
LaunchLemonade
Perplexity Computer
PowerShell
Revise
Rider
RustRover
Sakana Fugu
Vellum
Verdent

Integrations Supported

Aider
Anything
Bolt.new
C
Charlie
Claude Science
Claude Security
Claude Tag
Cursor
Gemini Enterprise Agent Platform
GitHub
LaunchLemonade
Perplexity Computer
PowerShell
Revise
Rider
RustRover
Sakana Fugu
Vellum
Verdent

API Availability

Has API

API Availability

Has API

Pricing Information

$6 per 1M tokens (input)
$6 per 1M tokens (input), $36 per 1M tokens (output)
Free Version
Free Trial Offered?

Pricing Information

$5 per 1M (input)
$5 per million input tokens and $25 per million output tokens. Pricing for fast mode is $10 per million input tokens and $50 per million output tokens.
Free Version
Free Trial Offered?

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

Sakana AI

Date Founded

2023

Company Location

Japan

Company Website

sakana.ai/fugu-1-1-claude-code-interface/

Company Facts

Organization Name

Anthropic

Date Founded

2021

Company Location

United States

Company Website

claude.ai/

Popular Alternatives

Claude Fable 5 Reviews & Ratings

Claude Fable 5

Anthropic

Popular Alternatives

Claude Fable 5 Reviews & Ratings

Claude Fable 5

Anthropic
Claude Mythos 5 Reviews & Ratings

Claude Mythos 5

Anthropic
Claude Mythos 5 Reviews & Ratings

Claude Mythos 5

Anthropic
Claude Opus 5 Reviews & Ratings

Claude Opus 5

Anthropic
Claude Opus 5 Reviews & Ratings

Claude Opus 5

Anthropic
Claude Sonnet 5 Reviews & Ratings

Claude Sonnet 5

Anthropic