YFarmX

AI Desk · Model Identity · Evidence object

Tokenizer signature tk_cb7f8e86

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 Grok · group B group.

Members
1
First observed
3 September 2026
Last observed
3 September 2026
Group
Grok · group B

Models with this signature

The measured vector

Marginal prompt-token cost per string, as measured on SpaceXAI: Grok 4.5
All 50 rows

English and whitespace

en-prose14
en-long15
spaces-203
spaces-603
tabs-204
newlines-204
mixed-ws6

Digits

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

CJK

zh-common13
zh-long13
zh-rare17
ja-kana7
ja-kanji10
ko12

Other scripts

ru11
ar8
he13
hi11
th10
el13

Emoji

emoji-basic5
emoji-skin5
emoji-zwj-family1
emoji-zwj-x33
emoji-flags4
emoji-prof3

Rare Unicode

math25
boxdraw17
combining10
cjk-ext-b13
surrogates15
zalgo22
rtl-mix6

Code

py-code28
py-indent15
json24
html16
regex47
camel6
snake11

Repetition and encodings

rare-word-x521
repeat-tok41
base6435
hex11
url20
uuid27

Method: tokenizer fingerprinting, v1-50.