Is Variante der, die or das?

The correct German article for Variante is die. The noun Variante is Feminine. So you always say: die Variante. Learn the article together with the noun — German nouns don't follow predictable gender rules most of the time.

The plural of Variante is: die Varianten. In the plural, every German noun takes the article "die". So: die Varianten. Example: ein Variante → zwei Varianten.

Correct: die Varianten. The form "die Variantes" is wrong. The plural of die Variante is die Varianten. In the nominative plural, you always use the article "die".

die Variante follows the four German cases. Nominative: die Variante, Accusative: die Variante, Dative: der Variante, Genitive: der Variante. In plural: die Varianten / den Varianten. Learn these forms together with the noun.

The genitive singular of die Variante is: der Variante. The genitive plural is der Varianten. German uses the genitive to express possession or belonging. Example: die Farbe der Variante.

The dative plural of Variante is: den Varianten. In German, dative plural nouns usually end in "-n". So you say: "mit den Varianten". Use this case after prepositions like mit, von, bei, zu.

Variante ends in -e. German nouns with this ending are almost always feminine. Nouns ending in -e are often feminine (die), especially two-syllable words. That's why the article for Variante is die.

Variante is a noun and must be capitalized in German. You'll find example sentences above for each case. The article die stays the same in nominative singular but changes in other cases. Practice declension in your own sentences.

Yes, Variante is a noun (also called a substantive). German nouns are always capitalized. The article for Variante is die. Every German noun has a fixed article you must memorize.