Claude Code emerged organically from internal Anthropic developer use
“Yeah. So it actually happened in a pretty simple way, which is we had our own, you know, we had our coding models, which were good at coding. And and, you know, around the beginning of 2025, I said, I I think the time has come where you can have nontrivial acceleration of your own research. And then, you know, this thing, I, you know, I think it might have been originally called Claude CLI, and then the the name eventually got changed to Claude Code internally, was the thing that kind of everyone was using, and it was seeing fast internal adoption. And I looked at it, and I said, probably we should launch this externally.”

