Based on their tokenizer tool[1], for GPT 5.x "geschniegelt" is tokenized into three tokens:
(ges)(chn)(iegelt)
[1]: https://platform.openai.com/tokenizer (ges)(chn)(iegelt)
[1]: https://platform.openai.com/tokenizer"This word is geschniegelt" is [2500, 2195, 382, 192786]
Last token here is " geschniegelt"