Claude Opus 4.5

Claude Opus 4.5

Anthropic
II-Agent

II-Agent

Intelligent Internet
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+

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About

Claude Opus 4.5 is Anthropic’s newest flagship model, delivering major improvements in reasoning, coding, agentic workflows, and real-world problem solving. It outperforms previous models and leading competitors on benchmarks such as SWE-bench, multilingual coding tests, and advanced agent evaluations. Opus 4.5 also introduces stronger safety features, including significantly higher resistance to prompt injection and improved alignment across sensitive tasks. Developers gain new controls through the Claude API—like effort parameters, context compaction, and advanced tool use—allowing for more efficient, longer-running agentic workflows. Product updates across Claude, Claude Code, the Chrome extension, and Excel integrations expand how users interact with the model for software engineering, research, and everyday productivity. Overall, Claude Opus 4.5 marks a substantial step forward in capability, reliability, and usability for developers, enterprises, and end users.

About

II-Agent is an open source intelligent assistant developed by Intelligent Internet, designed to enhance productivity across various domains such as research, content creation, data analysis, coding, automation, and problem-solving. It operates through a robust function-calling paradigm, driven by a powerful large language model (LLM), specifically Anthropic's Claude 3.7 Sonnet, and is supported by advanced planning, comprehensive execution capabilities, and intelligent context management. The agent's architecture includes a central reasoning and orchestration component that interfaces directly with the LLM, utilizing system prompting, interaction history management, and intelligent context management to maintain a coherent and efficient workflow. II-Agent's capabilities encompass multistep web search, source triangulation, structured note-taking, rapid summarization, blog and article drafting, lesson plan creation, creative prose, technical manuals, website creation, etc.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Claude Opus 4.5 is ideal for developers, enterprises, and professionals seeking a highly capable, aligned, and efficient AI model for coding, research, and complex problem-solving

Audience

Researchers and professionals searching for a tool to streamline tasks across research, content creation, data analysis, coding, and automation

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

No information available.
Free Version
Free Trial

Pricing

No information available.
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

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Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Anthropic
Founded: 2021
United States
www.anthropic.com/news/claude-opus-4-5

Company Information

Intelligent Internet
United States
ii.inc/web/blog/post/ii-agent

Alternatives

Alternatives

Claude Sonnet 4

Claude Sonnet 4

Anthropic
Claude Sonnet 4

Claude Sonnet 4

Anthropic
Claude Opus 4.1

Claude Opus 4.1

Anthropic
Claude Opus 4

Claude Opus 4

Anthropic

Categories

Categories

Integrations

Augment Code
Bind AI
Brokk
C#
Claude Sonnet 3.7
Devin
GitAuto
Java
JavaScript
Microsoft Foundry
OpenCode
R
Revise
Rider
RubyMine
Rust
Thread Deck
Twigg
Versuno
Visual Basic

Integrations

Augment Code
Bind AI
Brokk
C#
Claude Sonnet 3.7
Devin
GitAuto
Java
JavaScript
Microsoft Foundry
OpenCode
R
Revise
Rider
RubyMine
Rust
Thread Deck
Twigg
Versuno
Visual Basic
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