Claude Code's Rapid Advancement: From Bash Command Struggles to 80,000 Lines of Code
Published:Dec 27, 2025 14:13
•1 min read
•Simon Willison
Analysis
This article highlights the impressive progress of Anthropic's Claude Code, as described by its creator, Boris Cherny. The transformation from struggling with basic bash commands to generating substantial code contributions (80,000 lines in a month) is remarkable. This showcases the rapid advancements in AI-assisted programming and the potential for large language models (LLMs) to significantly impact software development workflows. The article underscores the increasing capabilities of AI coding agents and their ability to handle complex coding tasks, suggesting a future where AI plays a more integral role in software creation.
Key Takeaways
- •AI-assisted programming is rapidly advancing.
- •LLMs are becoming increasingly capable of generating code.
- •Claude Code has demonstrated significant progress in a short period.
Reference
“Every single line was written by Claude Code + Opus 4.5.”