Claude Code is experiencing a "breakout moment" among developers, particularly with the most recent model, Opus 4.5, enabling the creation of whole apps and end-to-end tasks.

On SWEBench Pro, Claude Mythos achieved a 78% score, while Opus previously scored 53% and GPT 5.4 scored 57.7%.

Anthropic developed a new tool called Claude Code-work, a non-coding version of Claude Code, in a week and a half, almost entirely with Claude Opus.

HubSpot created a free guide called 'The AI Coding Showdown' that compares OpenAI's Codex and Claude Code side-by-side.

OpenAI Codex/Claude went from a weekend project to 250,000 GitHub stars.

Claude Code Code leak provides insights into how to program a coding agent to be more efficient and powerful, as the competitive edge in coding assistants lies in clever engineering around the underlying model.