August 11, 2026

Claude Releases Sonnet 5, a Smarter AI for Multi-Step Tasks

Full archive memo · 5 app sections.

Claude gets a major upgrade with its new Sonnet 5 model, making it much better at handling complex projects by itself.

Claude

A new version called Claude Sonnet 5 is now available, designed to handle complex, multi-step tasks on its own.

Anthropic released Claude Sonnet 5, a new AI model that's much better at planning and completing tasks that require several steps. It can use tools like a web browser or a code terminal by itself. This means you can give it more complicated goals, and it will figure out how to achieve them.

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By now, we all realize that Silicon Valley’s AI labs have built the world’s best hackers in the form of AI agents.

Even so, a news story over the weekend about an Australian guy whose OpenClaw agent hacked into his gym’s reservation system and deleted another customer’s reservation to get him.

Perplexity

Kimi K2.7 Code — perplexity/kimi-k2.7-code , Moonshot AI’s coding and agentic model.

Grok 4.3 and the Grok 4.20 family — xai/grok-4.3 , xai/grok-4.20-non-reasoning , and xai/grok-4.20-multi-agent .

Smart media selection : Intelligently chooses between images, videos, or both based on query type

Meta AI

On Monday, Mark Zuckerberg published a 6,500-word manifesto about personal AI, largely about the possibilities for the “personal superintelligence” systems Meta AI is building.

I don’t bring this up to imply that Zuckerberg should withdraw to the wilderness in shame — but the fallout from social media is one of the central reasons we’re now seeing so muc.

Everyone will have a personalized tutor and coach with a PhD in every subject and unlimited patience to help you learn anything you want.

ChatGPT

Approved Daybreak partners can use OpenAI’s frontier cyber models to deliver authorized, governed cybersecurity services to customers.

Putting frontier cyber models in more trusted hands

OpenAI CFO Sarah Friar shares five lessons for building an AI-native finance function, from automated forecasting to stronger controls and AI ROI.

Claude Code

The inside story of how Claude Code went from an internal CLI to Anthropic's coding agent, told by researchers, engineers and early users who built it.

The Making of Claude Code