Claude AI Blog: Tips, Releases and Tutorials

2025年11月、AnthropicはClaudeシリーズを「親切なチャットボット」から「エージェント同僚」へと進化させました。
Q4 で忙しいあいだに見逃したかもしれない 3 つのトピックをまとめます。

Anthropic has officially launched Claude Skills, a groundbreaking feature that allows Claude to improve how it performs specific tasks by loading specialized folders containing instructions, scripts, and resources. Available across Claude apps, Claude Code, and API, Skills bring a new level of customization and portability to AI-powered workflows.

Anthropic has officially launched Claude Code Plugins, a revolutionary extension system that allows developers to install and manage custom development tool collections with a single simple command. Whether you're a team lead looking to standardize development practices or an individual developer seeking to boost productivity, Plugins offers a lightweight and flexible solution.

The AI coding landscape has dramatically evolved in 2025, with both Anthropic's Claude Code and OpenAI's revamped Codex offering compelling but fundamentally different approaches to AI-assisted development. After OpenAI's surprising discontinuation of the original Codex in 2023, the company has returned with a completely reimagined system, while Claude Code has solidified its position as a premier development partner. Let's dive into the definitive comparison for 2025.

The Great Comeback: OpenAI Codex Returns​

Before we compare, it's crucial to understand that the OpenAI Codex available in 2025 is completely different from the original 2021 version that was deprecated in March 2023. The new Codex isn't just a model—it's a full autonomous software engineering agent powered by codex-1, a specialized version of OpenAI's o3 model optimized for software engineering tasks.

Anthropic has just announced the release of Claude Sonnet 4.5, marking a significant milestone in AI development. This latest iteration represents what Anthropic calls "the best coding model in the world" with substantial improvements across reasoning, mathematics, computer use, and safety alignment. For developers using Claude Code, this release brings unprecedented capabilities that will transform how we approach complex programming tasks.

What Makes Claude Sonnet 4.5 Special?​

Claude Sonnet 4.5 isn't just an incremental update—it's a fundamental leap forward in AI model capabilities, particularly designed with developers in mind.

In the rapidly evolving world of AI-assisted development, a new player has emerged that's capturing the attention of developers worldwide. Super Claude is transforming how we interact with Claude Code, turning it from a simple AI assistant into a specialized, context-aware development partner. With over 5.7K GitHub stars and growing, this open-source framework is redefining what's possible in AI-powered development.

What is Super Claude?​

Super Claude is an advanced development framework built specifically for Claude Code that extends its capabilities far beyond traditional AI assistance. It's not just another wrapper or plugin – it's a comprehensive system that introduces 19 specialized commands and 9 distinct cognitive personas, each designed to handle different aspects of the development lifecycle.

Choosing the right Claude AI pricing plan is a crucial decision for both individual users and enterprises. This comprehensive guide compares Claude AI's three main plans to help you find the perfect match for your needs and budget.

Apple developers, rejoice! Claude Sonnet 4 is now available directly within Xcode 26, bringing powerful AI-assisted coding capabilities to your iOS and macOS development workflow. This integration marks a significant step forward in making AI development tools more accessible and contextually aware for Apple platform developers.