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
at a cost
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'at a cost' is correct and usable in written English.
This phrase is commonly used to indicate that something has been completed or achieved, but at some expense or sacrifice. For example, "I completed the project on time, but at a cost of needing to work late nights and weekends."
✓ Grammatically correct
News & Media
Science
Formal & Business
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
60 human-written examples
Luxury comes at a cost.
News & Media
Progress came at a cost.
News & Media
But that success comes at a cost.
News & Media
But the victory came at a cost.
News & Media
But it could come at a cost.
News & Media
But the development comes at a cost.
News & Media
But expansion has come at a cost.
News & Media
But it came at a cost.
News & Media
AOL boomed, but at a cost.
News & Media
Such fiscal virtue comes at a cost.
News & Media
Its competitiveness came at a cost.
News & Media
Expert writing Tips
Best practice
When using "at a cost", ensure the sentence clearly specifies what the cost entails to provide full context for the reader.
Common error
Avoid using "at a cost" without specifying what that cost is. For example, instead of saying 'The project was completed at a cost', specify 'The project was completed at a cost of significant overtime hours'.
Source & Trust
86%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "at a cost" functions as a prepositional phrase, typically modifying a verb or noun to indicate that an action or achievement involved some form of sacrifice, disadvantage, or negative consequence. As Ludwig AI explains, it is grammatically sound and signifies something obtained with expense or sacrifice.
Frequent in
News & Media
69%
Science
14%
Formal & Business
6%
Less common in
Encyclopedias
2%
Wiki
4%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "at a cost" is a common and grammatically sound prepositional phrase used to indicate that an achievement or action comes with a sacrifice or negative consequence. As Ludwig AI confirms, it is correctly used in written English. It is most frequently found in news and media, followed by science and formal business contexts. When using this phrase, it's important to clearly specify what the cost entails to provide clarity. Alternatives include "at the expense of" and "with negative consequences".
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
at the expense of
Focuses on what is lost or harmed as a result.
with negative consequences
Emphasizes the negative results more directly.
at some sacrifice
Highlights the element of giving something up.
with certain trade-offs
Focuses on the idea of exchanging one thing for another.
entailing certain disadvantages
More formal and explicit about the downsides.
accompanied by drawbacks
Highlights the presence of negative aspects.
with an adverse effect
Directly indicates a negative impact.
carrying a penalty
Implies a specific punishment or negative outcome.
incurring a detriment
More formal and emphasizes the harm caused.
subject to repercussions
Highlights the potential for negative consequences.
FAQs
How can I use "at a cost" in a sentence?
Use "at a cost" to indicate that something was achieved, but with a negative consequence or sacrifice. For example, 'The company achieved record profits, but "at a cost" of laying off 10% of its workforce'.
What are some alternatives to saying "at a cost"?
Depending on the context, you could use phrases like "at the expense of", "with negative consequences", or "with certain trade-offs".
Is it correct to say "at no cost" or "without cost"?
Yes, both "at no cost" and "without cost" are correct and mean that something is free or doesn't require payment. These are antonyms of "at a cost".
What is the difference between "at a cost" and "for free"?
"At a cost" implies that something was gained but something else was lost in the process, while "for free" indicates that something was obtained without any payment or sacrifice. They are opposite in meaning.
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
86%
Authority and reliability
4.6/5
Expert rating
Real-world application tested