brain.co

brain.co sold for $83,725 on Efty.com in April 2025, according to the sale records NamesF tracks. The label is a single English word — 5 characters, no hyphen, no numerals. Against the 152 tracked .co sales since 2023, the price sits well above the median of $8,000. The .co cohort we track since 2023 now holds 152 sales, a median of $8,000 and a top decile above $50,000. No earlier sale of this exact name appears in our records, so this is its first tracked transaction. Closest .co comparables in the same price band include little.co ($83,945) and shine.co ($80,000).