January 2026

Simon Willison's Weblog

One Human + One Agent = One Browser From Scratch

A single developer used one AI coding agent to build a functional web browser from scratch in just three days, creating 20,000 lines of Rust code that successfully renders HTML and CSS. This...

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Simon Willison's Weblog

Kimi K2.5: Visual Agentic Intelligence

Moonshot AI has released Kimi K2.5, a 1 trillion parameter multimodal AI model that can coordinate up to 100 sub-agents to work on complex tasks in parallel. This represents a shift toward AI systems...

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AI News & Strategy Daily | Nate B Jones

I Built an 11-Tab Financial Model in 10 Minutes. The $20/Month Tool That's About Change How We Work.

Claude's integration with Excel represents a fundamental shift from AI model competition to workflow integration. The author built an 11-tab financial model in just 10 minutes that would normally...

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AI News & Strategy Daily | Nate B Jones

Accelerate Your Business with AI Code Workflows!

The traditional "code wins" mindset is evolving from an engineering-focused concept to a business strategy in the age of AI agents. Code-based workflows get prioritized access to AI automation...

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anthropics/claude-code

anthropics/claude-code v2.1.20

Claude Code v2.1.20 brings significant UI improvements and workflow enhancements. The release focuses on better development workflows with PR status indicators, improved task management, and enhanced...

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