YFarmX

AI Desk · Model Identity · Evidence object

Tokenizer signature tk_9c4e2396

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 Qwen · group A group.

Members
1
First observed
20 August 2026
Last observed
22 August 2026
Group
Qwen · 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_5410b38e · 37 modelstk_920d45ce · 1 model

The measured vector

Marginal prompt-token cost per string, as measured on Xiaomi: MiMo-V2.5-Pro
All 50 rows

English and whitespace

en-prose12
en-long14
spaces-201
spaces-601
tabs-201
newlines-202
mixed-ws3

Digits

digits-97
digits-1210
digits-3028
digits-sep10
float-long20

CJK

zh-common8
zh-long10
zh-rare15
ja-kana6
ja-kanji11
ko15

Other scripts

ru14
ar6
he7
hi27
th10
el26

Emoji

emoji-basic3
emoji-skin8
emoji-zwj-family8
emoji-zwj-x328
emoji-flags6
emoji-prof12

Rare Unicode

math24
boxdraw15
combining3
cjk-ext-b10
surrogates20
zalgo34
rtl-mix5

Code

py-code23
py-indent13
json23
html14
regex42
camel3
snake4

Repetition and encodings

rare-word-x529
repeat-tok20
base6434
hex15
url17
uuid34

Method: tokenizer fingerprinting, v1-50.