When two people or things are equal in some way, German doesn't reach for a special comparative form of the adjective — it just wraps the plain adjective in so ... wie, the same way English wraps it in as ... as. Once you know the pattern, the adjective itself never changes.
Quick shortcut: so + adjective + wie = as ... as. The adjective stays in its plain, undeclined form — no ending, no comparative -er.
The basic pattern
The structure is: subject + verb + so + adjective + wie + the thing being compared to.
- Anna ist so alt wie Ben. (Anna is as old as Ben.)
- Mein Auto ist so schnell wie deins. (My car is as fast as yours.)
- Diese Übung ist so schwer wie die letzte. (This exercise is as hard as the last one.)
In this position — the adjective after sein, as in every example above — it never takes an ending, exactly like any other predicate adjective, which you already know doesn't decline. (If the comparison sits inside a noun phrase instead, like ein so großes Haus wie dieses, the adjective still takes its normal attributive ending — that part of the rule doesn't change just because so ... wie is added.)
Making it negative: nicht so ... wie
To say two things are not equal, add nicht before so:
- Anna ist nicht so alt wie Ben. (Anna is not as old as Ben.)
- Diese Übung ist nicht so schwer wie die letzte. (This exercise isn't as hard as the last one.)
This is the everyday way to say one thing falls short of another, without yet reaching for the comparative (größer, schneller) or superlative (am größten) forms — those cover more/less and most/least and belong to their own lessons.
Emphasizing the equality: genauso ... wie / ebenso ... wie
To stress that two things are exactly equal, German strengthens so into genauso or ebenso — both mean "just as":
- Sie ist genauso groß wie ich. (She is just as tall as I am.)
- Das Buch ist ebenso interessant wie der Film. (The book is just as interesting as the film.)
Genauso and ebenso are interchangeable in meaning; genauso is the more common choice in everyday speech.
Don't confuse wie with als
This is the single most common mix-up with this pattern: wie and als both translate to comparison words in English, but they aren't interchangeable.
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wie is for equality — pairs with so: so groß wie (as tall as)
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als is for the comparative — pairs with a comparative form: größer als (taller than), besser als (better than), mehr als (more than)
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✅ Er ist so groß wie sein Bruder. (equal — uses wie)
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✅ Er ist größer als sein Bruder. (unequal, comparative — uses als)
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❌ Er ist so groß als sein Bruder. — wie belongs after so, never als
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❌ Er ist größer wie sein Bruder. — a common colloquial slip, but als is the correct word after a comparative
If you see the plain adjective between so and a comparison word, that comparison word must be wie. If you see a comparative form (größer, besser, mehr, ...), the comparison word must be als.
Common mistakes
- ❌ Sie ist so großer wie ich. → ✅ Sie ist so groß wie ich. (no -er ending inside so ... wie — the adjective stays plain)
- ❌ Er ist so groß als sein Bruder. → ✅ Er ist so groß wie sein Bruder. (wie, not als, after so)
- ❌ Diese Übung ist nicht schwer wie die letzte. → ✅ Diese Übung ist nicht so schwer wie die letzte. (don't drop so — the pattern needs all three pieces: nicht so ... wie)
Quick check
Choose the correct word to complete each sentence.
- Mein Bruder ist so alt ____ ich. (als / wie)
- Dieses Auto ist schneller ____ das andere. (als / wie)
- Die Suppe ist genauso gut ____ letzte Woche. (als / wie)
- Berlin ist nicht so klein ____ München. (als / wie)
Show answers
- Mein Bruder ist so alt wie ich. (equality — so ... wie)
- Dieses Auto ist schneller als das andere. (comparative — -er ... als)
- Die Suppe ist genauso gut wie letzte Woche. (equality — genauso ... wie)
- Berlin ist nicht so klein wie München. (negative equality — nicht so ... wie)
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Key takeaways
- To say two things are equal, use so + adjective + wie — the adjective stays plain, with no ending.
- Add nicht before so to say things are not equal: nicht so ... wie.
- Strengthen the equality with genauso or ebenso instead of plain so, both meaning "just as."
- Wie pairs with so for equality; als pairs with an -er comparative ending — the two are never interchangeable.