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Description

Claude Opus 4.8 is Anthropic’s newest flagship AI model built to improve coding performance, reasoning accuracy, agentic task execution, and collaborative AI workflows for developers, enterprises, and advanced productivity use cases. The model serves as an upgrade to Claude Opus 4.7, delivering measurable improvements across benchmarks related to coding, practical reasoning, software engineering, and autonomous task management while maintaining the same pricing structure for standard usage. One of the most significant improvements in Claude Opus 4.8 is its enhanced honesty and judgment during complex tasks, reducing the likelihood of unsupported claims, hidden errors, or overlooked flaws in generated code and analytical outputs. Anthropic’s evaluations show that Opus 4.8 is substantially less likely than previous versions to allow software defects or reasoning mistakes to pass without flagging uncertainty or requesting clarification. The platform introduces new effort control settings that allow users to adjust how deeply the model reasons through tasks, balancing response quality, processing depth, speed, and token usage depending on workflow requirements. Claude Opus 4.8 also powers new dynamic workflow functionality in Claude Code, enabling the model to coordinate hundreds of parallel subagents within a single session to handle large-scale software engineering tasks such as codebase migrations and extensive automation projects. The model supports high-speed fast mode processing, now significantly more affordable than previous versions, while also offering higher-effort reasoning modes optimized for difficult coding and operational workflows.

Description

Sakana Fugu Ultra is a performance-optimized multi-agent AI model designed for hard technical, research, security, and analytical workloads. It coordinates a deeper pool of expert agents than the standard Fugu model, allowing it to focus on maximum answer quality for complex tasks. The model is available through the same OpenAI-compatible API as Sakana Fugu, making it easier to integrate into existing tools, developer workflows, and AI applications. Fugu Ultra is especially useful for coding, advanced code review, Kaggle competitions, paper reproduction, cybersecurity assessments, literature reviews, patent research, and long-running autonomous workflows. Instead of requiring users to choose individual models or define agent roles, Fugu Ultra dynamically assembles and coordinates the agents that are best suited for each task. Its approach is grounded in learned model orchestration research, including TRINITY and the Conductor, which explore how multiple AI systems can collaborate more effectively. Organizations can also control which providers or models participate in the agent pool to support privacy, compliance, and internal policy requirements. Fugu Ultra is positioned for high-value tasks where deeper analysis, stronger reasoning, and better reliability matter more than speed alone. Sakana Fugu Ultra gives developers, researchers, and enterprises a way to use frontier-level multi-agent intelligence through one managed endpoint.

API Access

Has API

API Access

Has API

Screenshots View All

Screenshots View All

Integrations

.NET
Brokk
C
Claude
Claude Desktop
Claude Science
Clawd.run
Dart
DataGrip
GoLand
Higgsfield Supercomputer
LaunchLemonade
Objective-C
OpenCode
Orchids
PowerShellGet
Snowflake
Springhub
Swift
Verdent

Integrations

.NET
Brokk
C
Claude
Claude Desktop
Claude Science
Clawd.run
Dart
DataGrip
GoLand
Higgsfield Supercomputer
LaunchLemonade
Objective-C
OpenCode
Orchids
PowerShellGet
Snowflake
Springhub
Swift
Verdent

Pricing Details

$5 per 1M (input)
Free Trial
Free Version

Pricing Details

$20 per month
Free Trial
Free Version

Deployment

Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook

Deployment

Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook

Customer Support

Business Hours
Live Rep (24/7)
Online Support

Customer Support

Business Hours
Live Rep (24/7)
Online Support

Types of Training

Training Docs
Webinars
Live Training (Online)
In Person

Types of Training

Training Docs
Webinars
Live Training (Online)
In Person

Vendor Details

Company Name

Anthropic

Founded

2021

Country

United States

Website

claude.ai/

Vendor Details

Company Name

Sakana AI

Founded

2023

Country

Japan

Website

sakana.ai/fugu/

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