AI Desk · Model Identity · Evidence object
Tokenizer signature tk_5348f9f6
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 Llama2 group.
- Members
- 1
- First observed
- 21 August 2026
- Last observed
- 21 August 2026
- Group
- Llama2
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.
The measured vector
Marginal prompt-token cost per string, as measured on MythoMax 13BAll 50 rows
English and whitespace
en-prose16
en-long18
spaces-204
spaces-606
tabs-2022
newlines-2022
mixed-ws9
Digits
digits-99
digits-1212
digits-3030
digits-sep12
float-long22
CJK
zh-common22
zh-long34
zh-rare27
ja-kana16
ja-kanji16
ko29
Other scripts
ru14
ar29
he26
hi31
th26
el33
Emoji
emoji-basic20
emoji-skin40
emoji-zwj-family19
emoji-zwj-x357
emoji-flags32
emoji-prof35
Rare Unicode
math26
boxdraw17
combining10
cjk-ext-b16
surrogates54
zalgo35
rtl-mix13
Code
py-code28
py-indent19
json28
html17
regex52
camel8
snake12
Repetition and encodings
rare-word-x546
repeat-tok41
base6441
hex20
url23
uuid36
Method: tokenizer fingerprinting, v1-50. Raw data: fingerprints.json · index.json · test-strings.json.