AI Desk · Model Identity · Evidence object

Tokenizer signature tk_1d05586d

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 Z.ai · group A group.

Members
1
First observed
21 August 2026
Last observed
21 August 2026
Group
Z.ai · group A

Models with this signature

Template variants of the same tokenizer

These signatures differ from this one by a uniform one-token shift on the affected strings: the same vocabulary behind a different chat template.

tk_133b086c · 3 models

The measured vector

Marginal prompt-token cost per string, as measured on Z.ai: GLM 5.2
All 50 rows

English and whitespace

en-prose14
en-long16
spaces-203
spaces-603
tabs-203
newlines-204
mixed-ws5

Digits

digits-95
digits-127
digits-3010
digits-sep9
float-long14

CJK

zh-common9
zh-long10
zh-rare18
ja-kana10
ja-kanji14
ko17

Other scripts

ru13
ar13
he24
hi27
th24
el14

Emoji

emoji-basic5
emoji-skin11
emoji-zwj-family7
emoji-zwj-x321
emoji-flags24
emoji-prof15

Rare Unicode

math27
boxdraw28
combining10
cjk-ext-b13
surrogates40
zalgo22
rtl-mix8

Code

py-code25
py-indent15
json21
html16
regex44
camel5
snake6

Repetition and encodings

rare-word-x531
repeat-tok22
base6435
hex14
url17
uuid28

Method: tokenizer fingerprinting, v1-50. Raw data: fingerprints.json · index.json · test-strings.json.