Anthropic

Claude Coded: Sonnet 4.5, Claude Code 2.0, and more.

We're covering everything new with Claude for developers, including the launch of Claude Sonnet 4.5, major updates to Claude Code, powerful new API capabilities, and exciting features in the Claude app. Join the Claude Developer Discord - https://anthropic.com/discord Check out the Claude Code Docs - https://docs.claude.com/en/docs/claude-code/overview Check out the Memory Cookbook - https://github.com/anthropics/claude-cookbooks/blob/main/tool_use/memory_cookbook.ipynb 00:06 Claude Sonnet 4.5 - Leading on SWE-bench and can focus for 30+ hours on complex tasks 01:03 Claude Code VS Code Extension - Now available in beta on the VS Code Marketplace 01:30 Claude Code 2.0 - Refreshed terminal UI 01:45 Claude Code Checkpoints - Roll back to previous states with /rewind 02:23 Usage Tracking - Monitor your usage in real-time with /usage command 02:35 Claude API - Context editing and memory tools for building sophisticated agents 03:37 Claude Agent SDK - Build your own agents with the tools that power Claude Code 03:59 Claude File Creation - Generate Excel, PowerPoint, Word, and PDF files in the Claude app

Oct 6, 2025·4m·Watch on YouTube ↗

📖 CHAPTERS

1. 1

   Claude Sonnet 4.5 released: top coding performance and long-task focus

   The update opens with Claude Sonnet 4.5 now available across Claude surfaces, positioned as Anthropic’s best coding model. It highlights benchmark leadership and the model’s ability to stay focused on complex work for extended periods.

2. 2

   Beyond code: gains in reasoning, math, and computer-use (OSWorld)

   The video emphasizes that improvements aren’t limited to programming—core reasoning and tool/computer interaction also advanced. OSWorld results are used to quantify progress in “using a computer like a human.”

3. 3

   Claude for Chrome extension expanded to waitlist users

   Anthropic points viewers to a hands-on way to see computer-use improvements through the Claude for Chrome extension. Access has been expanded to everyone who was previously on the waitlist.

4. 4

   Claude Code in the IDE: native VS Code extension (beta)

   A major Claude Code update is a native VS Code extension that brings Claude directly into the IDE. It targets developers who prefer IDE workflows over terminal-based tooling and adds real-time visibility into edits.

5. 5

   Claude Code 2.0: refreshed terminal UI and better visibility

   Terminal users also get improvements with a refreshed UI as Claude Code bumps to version 2.0. The update focuses on interface polish, clearer status indicators, and better retrieval of past prompts.

6. 6

   Checkpoints and safe rollback with /rewind (plus limitations)

   A new checkpoints feature enables quick rollback to earlier states during large tasks, reducing risk when letting Claude make broad changes. The video also clarifies important constraints and recommends pairing with version control.

7. 7

   Faster workflow controls: toggle “thinking” and keep preferences

   Claude Code’s “thinking” mode becomes easier to manage with a single-key toggle. The notable quality-of-life improvement is that the preference persists across sessions.

8. 8

   Usage tracking in real time: /usage and app settings

   The update introduces clearer visibility into consumption and limits by adding a real-time usage command. Users can also find usage data within the Claude app settings.

9. 9

   Claude API: context editing to extend long-running agents

   On the API side, context editing helps agents operate longer by removing stale tool calls/results as token limits approach. This is framed as a way to preserve conversation flow while reducing manual intervention.

10. 10

    Claude API: memory tool for persistent, client-side agent storage

    A new memory tool allows Claude to store and consult information outside the context window using a file-based system in the client’s infrastructure. This enables persistence across conversations while remaining entirely client-side.

11. 11

    Claude Agent SDK (renamed): build agents with Claude Code’s core tools

    The SDK formerly known as the Claude Code SDK is renamed to the Claude Agent SDK. It exposes the tooling and frameworks that power Claude Code so developers can build their own agents with similar capabilities.

12. 12

    Claude app: generate downloadable Office/PDF files via natural language

    The video closes with a Claude app capability: using code to analyze data, visualize insights, and create common document formats. Users can request files in natural language and download them immediately, now available in preview for paid plans.