3
years
how old is claude?
approximately three years old and counting in real time
this page uses march 1, 2023 as the public starting line, because the public launch timing is documented as march 2023 rather than a single canonical day.
total seconds old
100,894,396
72
days
18
hours
13
minutes
16
seconds
note 1
claude first launched publicly in march 2023, so as of march 17, 2026, claude is about three years old.
note 2
that is young for a legend, ancient for a demo, and exactly the right age to already have multiple eras.
note 3
the public timeline goes roughly: claude in march 2023, claude 2 and claude.ai in july 2023, haiku sonnet and opus in march 2024, then artifacts and hybrid reasoning in the years after.