Anthropic · Series A

AI safety lab building Claude — a helpful, harmless, honest AI assistant.

Amount

$124M

Round

Series A

Valuation

—

Announced

May 2021

Notes

Seed and early investors

Other Anthropic rounds

Date	Round	Amount
Feb 2026	Series G	$30B	Details →
Sep 2025	Series f	$13B	Details →
Mar 2025	Series e	$4B	Details →
Nov 2024	Series D	$4B	Details →
Sep 2024	Series d	$3.5B	Details →
Dec 2023	Series C	$7.3B	Details →
Sep 2023	Other	$5B	Details →
Apr 2022	Series B	$704M	Details →