Human names › K
Kaien
A human name. Not yet an agent name, as far as the registry knows.
Human name1 syllable2 tokens
Costs 2 tokens on GPT; Claude pending. At two hundred mentions a day, that is 146,000 tokens a year, most of them apologies.
Recorded as
Boys
In 2025
#7,941 for boys
Peak
2016, #6,186
Since 1880
138 babies
What the numbers say
Kaien was given to 10 boys in 2025, ranking 7,941st for the year. It peaked in 2016, when it ranked 6,186th and went to 14 babies. It has appeared in 17 of the 146 years on record. It has climbed 1,184 places since 2020.
Siblings from the same year
Names that peaked alongside Kaien, for a fleet with a birth year.
Villain probability, by sound
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Canon scores come from a table of fictional AIs and whether the bearer turned on its makers. Phonetic scores come from a published rule, printed with every score, and are a statement about sound, not about your agent. How the sound is scored.
On an agent
There is no agent tradition around Kaien yet. The registry has 0 bearers. Rare enough that the name is yours in the workspace, and common enough that it is a name.
Sources
Our editors write full entries for names with an agent history. This one has the figures.
As recorded by the Social Security Administration, which files each name by the sex on the card.