AI Desk · Model Identity · Evidence object
Tokenizer signature tk_ba03436b
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 Gemma group.
- Members
- 2
- First observed
- 21 August 2026
- Last observed
- 21 August 2026
- Group
- Gemma
Models with this signature
The measured vector
Marginal prompt-token cost per string, as measured on Google: Gemma 4 26B A4BAll 50 rows
English and whitespace
en-prose14
en-long16
spaces-203
spaces-604
tabs-203
newlines-203
mixed-ws9
Digits
digits-99
digits-1212
digits-3030
digits-sep12
float-long22
CJK
zh-common10
zh-long12
zh-rare25
ja-kana7
ja-kanji9
ko11
Other scripts
ru12
ar10
he13
hi8
th10
el13
Emoji
emoji-basic5
emoji-skin10
emoji-zwj-family7
emoji-zwj-x321
emoji-flags8
emoji-prof11
Rare Unicode
math26
boxdraw17
combining10
cjk-ext-b16
surrogates27
zalgo22
rtl-mix5
Code
py-code28
py-indent18
json28
html17
regex44
camel6
snake11
Repetition and encodings
rare-word-x525
repeat-tok21
base6434
hex16
url23
uuid36
Method: tokenizer fingerprinting, v1-50. Raw data: fingerprints.json · index.json · test-strings.json.