AI Desk · Model Identity · Evidence object
Tokenizer signature tk_985608d3
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 Meta group.
- Members
- 1
- First observed
- 21 August 2026
- Last observed
- 21 August 2026
- Group
- Meta
Models with this signature
The measured vector
Marginal prompt-token cost per string, as measured on Meta: Llama Guard 4 12BAll 50 rows
English and whitespace
en-prose14
en-long16
spaces-203
spaces-603
tabs-203
newlines-204
mixed-ws6
Digits
digits-94
digits-125
digits-3011
digits-sep8
float-long10
CJK
zh-common11
zh-long14
zh-rare19
ja-kana9
ja-kanji11
ko9
Other scripts
ru10
ar11
he10
hi12
th8
el14
Emoji
emoji-basic11
emoji-skin20
emoji-zwj-family12
emoji-zwj-x334
emoji-flags17
emoji-prof20
Rare Unicode
math24
boxdraw22
combining10
cjk-ext-b17
surrogates37
zalgo31
rtl-mix6
Code
py-code25
py-indent15
json20
html17
regex43
camel6
snake6
Repetition and encodings
rare-word-x530
repeat-tok40
base6435
hex11
url17
uuid28
Method: tokenizer fingerprinting, v1-50. Raw data: fingerprints.json · index.json · test-strings.json.