AI Desk · Model Identity · Evidence object
Tokenizer signature tk_ba918336
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 OpenAI cl100k group.
- Members
- 3
- First observed
- 21 August 2026
- Last observed
- 21 August 2026
- Group
- OpenAI cl100k
Models with this signature
The measured vector
Marginal prompt-token cost per string, as measured on IBM: Granite 4.0 MicroAll 50 rows
English and whitespace
en-prose14
en-long16
spaces-203
spaces-603
tabs-203
newlines-204
mixed-ws5
Digits
digits-93
digits-124
digits-3010
digits-sep7
float-long9
CJK
zh-common18
zh-long25
zh-rare23
ja-kana14
ja-kanji17
ko19
Other scripts
ru16
ar25
he24
hi32
th25
el29
Emoji
emoji-basic10
emoji-skin30
emoji-zwj-family18
emoji-zwj-x354
emoji-flags24
emoji-prof29
Rare Unicode
math32
boxdraw28
combining14
cjk-ext-b13
surrogates40
zalgo36
rtl-mix11
Code
py-code25
py-indent15
json20
html16
regex44
camel5
snake6
Repetition and encodings
rare-word-x531
repeat-tok22
base6435
hex11
url17
uuid27
Method: tokenizer fingerprinting, v1-50. Raw data: fingerprints.json · index.json · test-strings.json.