Claude Opus 5 Reviews & Ratings

Claude Opus 5

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features 0 out of 5 stars
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Total 5 out of 5 stars
ease 5 out of 5 stars
features 5 out of 5 stars
design 5 out of 5 stars

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What is Merrymake?

Merrymake, located in Aarhus, Denmark, serves as a European think tank and research laboratory focused on artificial intelligence. Our goal is to promote a secure and independent shift towards Artificial Superintelligence (ASI). The primary aim of our organization is to make sure that advancements in superhuman intelligence positively impact all forms of life, humanity as a whole, and each individual person. Our team operates at the cutting edge of technology, treating both the development of AI capabilities and the alignment of those capabilities as interconnected engineering challenges that can be addressed. Our research encompasses the entire spectrum of advanced AI development. We are committed to crafting a future that is truly worthwhile, where technological progress enhances human abilities while consistently upholding values such as well-being, dignity, and individual autonomy. By envisioning this tomorrow, we strive to create a world that empowers everyone to thrive.

What is Claude Opus 5?

Claude Opus 5 is Anthropic’s advanced Opus model designed for high-value coding, knowledge work, problem-solving, automation, scientific research, and everyday AI workflows. The model is positioned as a thoughtful and proactive system that approaches the frontier intelligence of Claude Fable 5 at half the price. Anthropic says Claude Opus 5 delivers greatly improved performance for the same cost as Opus 4.8, with base pricing of $5 per million input tokens and $25 per million output tokens. The model supports effort settings that allow customers to optimize for deeper intelligence or conserve tokens for faster and cheaper results. Claude Opus 5 performs especially well on software engineering evaluations, including tasks that require debugging, code generation, root-cause analysis, test creation, and multi-step implementation. It also shows strong results on knowledge work, business automation, computer use, novel problem solving, and research-heavy tasks. Anthropic highlights that Opus 5 is better at checking its own work, iterating until it succeeds, and building supporting tools when a task requires it. The model improves on Opus 4.8 across life sciences evaluations, including structural biology, organic chemistry, bioinformatics, molecular structure inference, and protein function tasks. Claude Opus 5 includes alignment and safety protections that aim to allow beneficial cybersecurity and biology use cases while restricting riskier exploit generation, penetration testing, and certain autonomous misuse scenarios. It is available on Claude Max as the default model, on Claude Pro as the strongest model, and through the Claude API as claude-opus-5, with a Fast mode that runs around 2.5 times the default speed.

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Integrations Supported

Integrations Supported

App0
C
C++
Cherry Studio
Claude Design
Claude Desktop
Claude Max
Dessix
Go
IntelliJ IDEA
OfoxAI
Oxen.ai
Qwen Code
SQL
Scalestack
Springhub
Sup AI
Vellum
Viktor
Visual Basic

API Availability

API Availability

Has API

Pricing Information

Pricing not provided

Pricing Information

$5 per 1M tokens (input)
$5 per million input tokens and $25 per million output tokens

Supported Platforms

Not specified

Supported Platforms

SaaS

Customer Service / Support

Not specified

Customer Service / Support

Web-Based Support

Training Options

Not specified

Training Options

Documentation Hub

Company Facts

Organization Name

Merrymake

Date Founded

2021

Company Location

Denmark

Company Website

merrymake.eu

Company Facts

Organization Name

Anthropic

Date Founded

2021

Company Location

United States

Company Website

claude.ai

Categories and Features

AI Models

Not specified

Categories and Features

AI Coding Models

Not specified

AI Models

Not specified

AI Reasoning Models

Not specified

AI Vision Models

Not specified

Foundation Models

Not specified

Large Language Models

Not specified

Multimodal Models

Not specified

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