Top Anthropic engineer says Claude now writes 'literally all' her team's code

Katelyn Lesse, head of platform engineering at Anthropic. Chris Ratcliffe/Bloomberg via Getty Images Anthropic platform engineering head Katelyn Lesse said that Claude now writes all her team's code. Lesse shared ways that Claude Code has helped the company become more efficient. Anthropic nears an initial public offering at a potential $2 trillion valuation. A top Anthropic engineer says that Claude Code has already wiped out all human coding at one of the AI lab's central teams. Katelyn Lesse leads the AI startup's platform engineering group, which handles the company's core services, developer tools, and product infrastructure — it's essentially the engine room of Anthropic. Lesse said at Grafana Labs ' ObservabilityCON event on Tuesday that among her staff, which tallied 200 as of this summer, the era of human-written code is fully over.