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AI Desk · Model Identity · Evidence object

Tokenizer signature tk_41571a13

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 Baidu group.

Members
1
First observed
22 August 2026
Last observed
22 August 2026
Group
Baidu

Models with this signature

The measured vector

Marginal prompt-token cost per string, as measured on Baidu: ERNIE 4.5 VL 424B A47B
All 50 rows

English and whitespace

en-prose14
en-long15
spaces-204
spaces-606
tabs-2022
newlines-2022
mixed-ws9

Digits

digits-99
digits-1212
digits-3030
digits-sep12
float-long22

CJK

zh-common8
zh-long10
zh-rare27
ja-kana10
ja-kanji13
ko12

Other scripts

ru13
ar12
he12
hi14
th14
el13

Emoji

emoji-basic20
emoji-skin22
emoji-zwj-family19
emoji-zwj-x357
emoji-flags8
emoji-prof35

Rare Unicode

math44
boxdraw41
combining10
cjk-ext-b16
surrogates54
zalgo36
rtl-mix6

Code

py-code28
py-indent19
json28
html17
regex44
camel6
snake11

Repetition and encodings

rare-word-x526
repeat-tok21
base6431
hex15
url23
uuid36

Method: tokenizer fingerprinting, v1-50.