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What is Muse Spark 1.3?

Muse Spark 1.3 showcases a sophisticated AI model that significantly enhances its abilities for both agentic and programming tasks, thereby increasing its intelligence and practical utility for daily use. It is particularly adept at sustaining concentration on lengthy projects through active user collaboration, all while skillfully orchestrating multiple workflows within a cohesive thread. When confronted with an open-ended objective, the model efficiently harnesses tools to derive context from chaotic or conflicting data, addresses strategy gaps, monitors its learning trajectory, and ultimately produces a polished final outcome. In instances where prompts are vague, it takes the initiative to request clarification, seeks help when obstacles arise, and verifies its next steps before making critical decisions. The model exhibits exceptional dependability in adhering to complex, lengthy instructions, ensuring that intricate requirements are consistently honored throughout multifaceted tasks without overlooking essential constraints or deviating from the intended workflow. Furthermore, its advanced multitasking abilities allow it to effectively match incoming requests to the relevant tasks, even when users make interjections or alter the focus of prior inquiries, resulting in a fluid user experience. Consequently, Muse Spark 1.3 stands out as a highly adaptable tool suitable for diverse applications, making it a valuable asset across various fields.

What is Claude Opus 5.5?

Claude Opus 5.5 is Anthropic’s high-capability AI model for advanced coding, research, business work, computer use, and extended agentic tasks. It is designed to operate effectively on large and complex workloads that require planning, sustained context, tool use, verification, and multiple execution steps. In software engineering, Opus 5.5 can be used for codebase-wide migrations, debugging, audits, optimization, code review, and other long-running development projects. The model also supports knowledge-intensive work such as financial analysis, legal research, spreadsheet creation, executive presentations, data collection, and professional reporting. Anthropic reports that Opus 5.5 improves both task efficiency and serving efficiency compared with Opus 5, including lower token usage, faster output, and reduced cost on typical workloads. Its writing and communication behavior has been updated to prioritize important information, reduce unclear phrasing, and better follow requested style constraints. Opus 5.5 also includes stronger safeguards for autonomous and tool-using scenarios, including action screening, improved prompt-injection resistance, sandbox support, and vulnerability detection during code review. Anthropic applies additional safeguards to cybersecurity, biology, and model-distillation use cases, with expanded access programs available to verified organizations in certain sensitive fields. The model supports zero data retention and includes watermarking measures intended to support compliance requirements such as the EU AI Act. Developers can access Opus 5.5 through the Claude Platform using the claude-opus-5-5 model, while Claude Code and other Anthropic products can use it for interactive and agentic work. Claude Opus 5.5 is also available through Amazon Web Services, Google Cloud, and Microsoft Azure for organizations that prefer to deploy through major cloud platforms.

Media

Media

Integrations Supported

.NET
Bash
C#
C++
CSS
Cheaper Inference
Claude Agent SDK
Go
HTML
Hermes Agent
Java
JavaScript
Kubernetes
Lua
Objective-C
OpenClaw
R
Rust
SQL
TypeScript

Integrations Supported

.NET
Bash
C#
C++
CSS
Cheaper Inference
Claude Agent SDK
Go
HTML
Hermes Agent
Java
JavaScript
Kubernetes
Lua
Objective-C
OpenClaw
R
Rust
SQL
TypeScript

API Availability

Has API

API Availability

Has API

Pricing Information

$1.25 per 1M tokens (input)
Input: $1.25 per 1M tokens
Output: $4.25 per 1M tokens

Pricing Information

$4 per 1M tokens (input)
$4 per million input tokens and $20 per million output tokens.

Cache reads, which account for most costs in agentic and coding workloads, are priced at just $0.20 per million tokens which is 60% cheaper than Opus 5. Opus 5.5 also delivers output over 30% faster than its predecessor.

Supported Platforms

SaaS

Supported Platforms

SaaS

Customer Service / Support

Web-Based Support

Customer Service / Support

Web-Based Support

Training Options

Documentation Hub

Training Options

Documentation Hub

Company Facts

Organization Name

Meta

Date Founded

2004

Company Location

United States

Company Website

meta.ai/

Company Facts

Organization Name

Anthropic

Date Founded

2021

Company Location

United States

Company Website

claude.ai

Categories and Features

AI Coding Models

Not specified

AI Models

Not specified

AI Reasoning Models

Not specified

Foundation Models

Not specified

Large Language Models

Not specified

Multimodal 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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