TWSBI
brand
GenRank Score
12.7
A Taiwanese manufacturer of fountain pens, established in 2009, known for its demonstrator pens and piston-filling mechanisms.
Also Known As
TWSBI
1 question•1 category
Score History
Loading score data...
Average Rank
#23.0
Median
#23
Range
#23–#23
Rankings by Model
Claude Sonnet 5 #23