AI Desk · Model Identity · Evidence object
Tokenizer signature tk_c670dac9
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 Meituan group.
- Members
- 1
- First observed
- 21 August 2026
- Last observed
- 21 August 2026
- Group
- Meituan
Models with this signature
The measured vector
Marginal prompt-token cost per string, as measured on Meituan: LongCat 2.0All 50 rows
English and whitespace
en-prose14
en-long17
spaces-203
spaces-603
tabs-204
newlines-204
mixed-ws6
Digits
digits-99
digits-1212
digits-3030
digits-sep12
float-long22
CJK
zh-common9
zh-long10
zh-rare18
ja-kana9
ja-kanji10
ko17
Other scripts
ru15
ar14
he29
hi34
th26
el27
Emoji
emoji-basic10
emoji-skin14
emoji-zwj-family10
emoji-zwj-x330
emoji-flags16
emoji-prof18
Rare Unicode
math31
boxdraw24
combining13
cjk-ext-b16
surrogates40
zalgo36
rtl-mix11
Code
py-code25
py-indent15
json25
html16
regex45
camel6
snake6
Repetition and encodings
rare-word-x531
repeat-tok41
base6435
hex18
url19
uuid36
Method: tokenizer fingerprinting, v1-50. Raw data: fingerprints.json · index.json · test-strings.json.