Release Notes

Claude Haiku 4.5 launch

We released our fastest, most cost-efficient model – Claude Haiku 4.5. Our latest small model matches Sonnet 4’s performance on coding, computer use, and agent tasks.

Claude Sonnet 4.5 launch

We released our newest model, Sonnet 4.5. This is the best model in the world for real-world agents, coding, and computer use. Read our blog post here: Claude Sonnet 4.5.

Creating and editing files with Claude for Pro plans and mobile

Pro users can now leverage Claude’s file creation and editing capabilities, and users on all paid plans can access these features on Claude for iOS or Android. See this updated article for more information: Create and edit files with Claude.

Claude’s memory on Enterprise plans

Users on Enterprise plans can leverage memory; Claude can now remember relevant context from your chats and generate a memory summary. Incognito chats give you a way to exclude conversations from Claude’s memory. Refer to the following articles for more information:

Claude’s memory on Team plans and incognito chats for free, Pro, Max, and Team plans

Claude can now remember relevant context from your chats and will generate a memory summary. Incognito chats give you a way to exclude conversations from Claude’s memory. Refer to the following new articles for more information:

Creating and editing files with Claude

Claude can now create and edit Excel spreadsheets, PowerPoint slide decks, documents, and PDFs directly in the Claude app. Refer to the following two articles for more information:

Location, maps, and calendar access on Claude for iOS and Android

Claude can now connect with iOS and Android apps to draft calendar events, help you find locations, and manage reminders (iOS only). See updates to the following two articles for more information:

Code Execution Tool

A new API tool that allows Claude to execute Python code in a secure, sandboxed environment. Refer to our docs for more information: Code execution tool.

Claude for Chrome

An experimental browser extension that allows Claude to read, click, and navigate websites alongside you. See Getting Started with Claude for Chrome.

Admin controls for desktop extensions

Allows Team and Enterprise plans to enable/disable public desktop extensions and upload custom extensions. See Admin Controls for Desktop Extensions.

Making shared artifacts embeddable

Claude users with free, Pro, or Max plans can generate an embed code for any published artifacts.

Premium seats with Claude Code for Team and Enterprise plans

Introduced a premium seat tier for Team and Enterprise plans offering more usage and access to Claude Code. Refer to the following articles for more information:

Extra usage for Team and Enterprise plans

A new setting allows Team and Enterprise plan users to purchase more usage to continue chatting with Claude or using Claude Code after hitting their usage limit. See Extra Usage for Claude for Work (Team and Enterprise) Plans.

Ability to change monthly Team plan billing to annual

Allowing Team plan organizations with monthly billing to upgrade to annual billing. See How to change your Team plan from monthly to annual billing.

1M token context window

The 1M token context window for Claude Sonnet 4 is currently in beta for API organizations in usage tier 4, or with custom rate limits. See 1M token context window in our docs for more information.

Ability to search past conversations

Users on Max, Team, Enterprise plans can prompt Claude to search over past chats, allowing finer-grained context continuation and synthesizing across topics. See Searching past chats.

Claude Code Security Reviews

Two new cybersecurity features were added to Claude Code:

See Automated Security Reviews in Claude Code.

Claude Opus 4.1

Claude Opus 4.1 (an incremental update to Opus 4) brings enhanced performance as our most capable model for complex reasoning, analysis, and creative tasks.

Project Sharing

Enabled project permissions and sharing for Team and Enterprise plans. See Organization-wide sharing for more information.