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Anthropic Claude Sonnet 5 Powers Up Dev Tools

Anthropic's Claude Sonnet 5 becomes the default for paid tiers, bringing a 1M token context window and enhanced coding capabilities, alongside new Claude Code features.

4 min read
Screenshot of Claude Code's 'What's New' documentation page highlighting Claude Sonnet 5.
Anthropic's Claude Sonnet 5 is now the default model for several subscription tiers.· Claude Code Updates
Visual TL;DR
Claude Sonnet 5 DefaultCore
From the article 2 mentionsAnthropic has quietly rolled out Claude Sonnet 5 as the new default AI model for its Pro, Team Standard, and Enterprise subscription tiers.
Claude Code UpdatesDriver
continuous development with new features and improvements
From the articleBeyond the model upgrade, recent Claude Code updates highlight continuous development.
1M Token ContextEffect
From the articleThe upgrade brings a native 1 million token context window, a significant leap for handling extensive codebases or complex documentation.
Enhanced CodingEffect
From the articleThis move positions Sonnet 5, known for its strong coding and tool-use capabilities, at a more accessible price point.
Adaptive ThinkingContext
From the articleAdaptive thinking is also enabled by default, allowing the model to dynamically adjust its reasoning process.
In-App BrowserEffect
From the articleThe latest Week 28 digest introduces an in-app browser for the desktop version, enabling Claude to interact with live web pages for research or debugging.
/doctor CommandEffect
comprehensive setup diagnostics and automatic issue fixing
From the article 2 mentionsA new /doctor command provides comprehensive setup diagnostics and can automatically fix identified issues.
Dev Tool Power-UpOutcome
improved developer productivity and efficiency with new capabilities

Anthropic has quietly rolled out Claude Sonnet 5 as the new default AI model for its Pro, Team Standard, and Enterprise subscription tiers. This move positions Sonnet 5, known for its strong coding and tool-use capabilities, at a more accessible price point.

The upgrade brings a native 1 million token context window, a significant leap for handling extensive codebases or complex documentation. Adaptive thinking is also enabled by default, allowing the model to dynamically adjust its reasoning process.

Claude Code's Expanding Feature Set

Beyond the model upgrade, recent Claude Code updates highlight continuous development. The latest Week 28 digest introduces an in-app browser for the desktop version, enabling Claude to interact with live web pages for research or debugging.

A new /doctor command provides comprehensive setup diagnostics and can automatically fix identified issues. Auto mode enhancements now include blocking transcript tampering and requiring explicit confirmation for destructive commands like rm -rf on unresolved variables.

Agent management sees improvements with agent view rows displaying colored status indicators and AI-generated headlines for quicker comprehension.

Broader Availability and Tooling

Claude in Chrome is now generally available across all direct Anthropic plans. Subagents are designed to run in the background by default, allowing Claude to continue tasks without user intervention.

Linux users can access Claude Desktop in beta on Ubuntu and Debian. The platform also introduces /radio for a lo-fi Claude FM experience.

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#Claude Code#Anthropic#Claude Sonnet 5#AI Models#Developer Tools