Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
So sweet of you
Grammar usage guide and real-world examplesUSAGE SUMMARY
The sentence 'so sweet of you' is correct and can be used in written English
You can use this phrase when you want to express gratitude or appreciation for something someone has done for you. For example, you could say, "Thank you for going out of your way to help me - so sweet of you!"
✓ Grammatically correct
News & Media
Wiki
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
11 human-written examples
"Oh — that's so sweet of you," Georgette says.
News & Media
"Aw, that's so sweet of you," Hoft said.
News & Media
It was so sweet of you last night to say, "If you're up before us, just help yourself to whatever.
News & Media
("I think it is so sweet of you to write a book about somebody who resembles me. I don't mind at all, of course.
News & Media
("I think it is so sweet of you to write a book about somebody who resembles me. I don't mind at all, of course. Does she look like a tiny dragon?") Warren Beatty, whom Nader envisions running for governor against Arnold Schwarzenegger, and winning, with sixty-three per cent of the vote, blurbed the book.
News & Media
That is so sweet of you.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
49 human-written examples
"Well, this is just so sweet of all of you," Dunn says.
News & Media
"It was so sweet of her," Pacino said.
News & Media
I've never known anybody so sweet of heart and so sincere".
News & Media
So sweet of him.
News & Media
That's so sweet of them.
News & Media
Expert writing Tips
✓ Best practice
Use "so sweet of you" to express genuine appreciation for a kind or thoughtful act. It adds a personal touch to your gratitude.
⚠ Common error
While "so sweet of you" is appropriate in many situations, avoid using it in highly formal or professional settings where a more formal expression of gratitude would be more suitable.
Linguistic Context
The phrase "so sweet of you" functions as an interjection of gratitude and appreciation. Ludwig AI confirms its validity and usage through real-world examples, demonstrating its role in acknowledging and valuing someone's kind actions.
Expression frequency: Uncommon
✓ Frequent in
News & Media
40%
Wiki
30%
Science
10%
⚠ Less common in
Academia
7%
Formal & Business
7%
Encyclopedias
6%
Ludwig's WRAP-UP
The phrase "so sweet of you" is a correct and valid expression used to convey appreciation, as affirmed by Ludwig AI. While it is generally suitable for informal and semi-formal contexts, it's important to consider the register and opt for more formal alternatives, such as "that's very kind of you", in professional settings. Although the sources from Ludwig indicate that the phrase is most commonly found in News & Media and Wiki contexts, its frequent use in everyday conversation makes it a valuable addition to one's vocabulary for expressing heartfelt gratitude. Remember that genuine appreciation, regardless of the words used, is the most important element.
Alternative expressions
Phrases that express similar concepts, ordered by semantic similarity:
that's very kind of you
Replaces "sweet" with "kind", maintaining the sentiment of appreciation but with a slightly more formal tone.
that's so thoughtful of you
Emphasizes the considerate nature of the action, rather than simply its pleasantness.
that's really nice of you
Uses "nice" as a synonym for "sweet", providing a slightly more casual alternative.
how very kind
A more concise and slightly more formal expression of gratitude.
that's awfully nice of you
Uses "awfully" to intensify the appreciation, adding emphasis.
you're too kind
Expresses gratitude while also suggesting the other person is being overly generous.
More alternative expressions(6)
FAQs
What does "so sweet of you" mean?
The phrase "so sweet of you" is an expression used to convey gratitude and appreciation for someone's kind or thoughtful action. It indicates that you find their gesture to be particularly pleasing and considerate.
When is it appropriate to use the phrase "so sweet of you"?
It's suitable in informal and semi-formal contexts when someone does something kind or thoughtful for you. It's best used with people you know well or in situations where a warm, appreciative tone is appropriate. Consider "that's very kind of you" in more formal settings.
Are there alternative ways to express the same sentiment as "so sweet of you"?
Yes, alternatives include "that's very kind of you", "that's so thoughtful of you", or simply "thank you, that's very kind". The best choice depends on the specific situation and your relationship with the person you're addressing.
Is "so sweet of you" grammatically correct?
Yes, it is grammatically correct. The phrase follows a standard structure for expressing gratitude and appreciation in English.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested