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AI Desk · Model Identity · Evidence object

Tokenizer signature tk_ea6068bf

An exact tokenizer signature: every model listed below returned the same marginal prompt-token count on all 50 test strings. Sharing a signature is strong evidence of a shared vocabulary. This signature sits in the Moonshot AI · group A group.

Members
3
First observed
22 August 2026
Last observed
3 September 2026
Group
Moonshot AI · group A

Models with this signature

The measured vector

Marginal prompt-token cost per string, as measured on MoonshotAI: Kimi K2 Thinking
All 50 rows

English and whitespace

en-prose14
en-long16
spaces-203
spaces-603
tabs-204
newlines-204
mixed-ws6

Digits

digits-93
digits-124
digits-3010
digits-sep7
float-long9

CJK

zh-common9
zh-long10
zh-rare18
ja-kana11
ja-kanji14
ko13

Other scripts

ru16
ar15
he16
hi17
th21
el22

Emoji

emoji-basic10
emoji-skin20
emoji-zwj-family11
emoji-zwj-x333
emoji-flags14
emoji-prof20

Rare Unicode

math26
boxdraw24
combining14
cjk-ext-b16
surrogates31
zalgo36
rtl-mix8

Code

py-code25
py-indent15
json20
html16
regex43
camel6
snake6

Repetition and encodings

rare-word-x531
repeat-tok41
base6433
hex11
url17
uuid27

Method: tokenizer fingerprinting, v1-50.