YFarmX

AI Desk · Model Identity · Evidence object

Tokenizer signature tk_d1411c9d

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 GPT group.

Members
32
First observed
21 August 2026
Last observed
3 September 2026
Group
GPT

Models with this signature

The measured vector

Marginal prompt-token cost per string, as measured on OpenAI: GPT-3.5 Turbo (older v0613)
All 50 rows

English and whitespace

en-prose14
en-long17
spaces-203
spaces-603
tabs-203
newlines-204
mixed-ws6

Digits

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

CJK

zh-common12
zh-long17
zh-rare20
ja-kana10
ja-kanji13
ko11

Other scripts

ru11
ar11
he10
hi11
th11
el14

Emoji

emoji-basic8
emoji-skin13
emoji-zwj-family11
emoji-zwj-x333
emoji-flags16
emoji-prof20

Rare Unicode

math31
boxdraw27
combining11
cjk-ext-b13
surrogates40
zalgo35
rtl-mix5

Code

py-code25
py-indent15
json20
html16
regex44
camel6
snake6

Repetition and encodings

rare-word-x531
repeat-tok22
base6434
hex11
url17
uuid27

Method: tokenizer fingerprinting, v1-50.