Anthropic used Claude itself to make claude.ai three times faster
Anthropic says an internal Claude model found bottlenecks and shipped over three thousand changes in a two-week sprint, cutting load time for a fresh claude.ai session from 3.1 seconds to 0.55. Engineers set goals and approved every change, with no customer-facing rollback.
Why it matters. It is a worked example of running a coding agent on a live product with engineers approving every change.
Read the original at claude.dev