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
are pretty fast
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "are pretty fast" is correct and usable in written English.
It can be used to describe the speed of something in a casual or informal context. Example: "The new internet connection and the upgraded router are pretty fast, allowing for seamless streaming and gaming."
✓ Grammatically correct
News & Media
Wiki
Science
Alternative expressions(1)
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
6 human-written examples
Speed is no longer a consideration; most models are pretty fast.
News & Media
We'll definitely want to train with them a bit more, but they'll definitely want to train with us, too, because we are pretty fast".
News & Media
We've learned a lot and improved the app also, but the devices these days are pretty fast.
News & Media
I'll be doing so, because sports are pretty fast paced and it'll probably make me puke, which will be a great story, and we've already tried to watch a soccer game in VR.
News & Media
After the game, Brandon Graham, who played with Robinson at Michigan in 2009 and now plays with Michael Vick on the Philadelphia Eagles told reporters that Robinson is even quicker than Vick: "Both of them are pretty fast, I just think Vick's older; he's not really that fast like how Shoelace is.
Wiki
Mice are pretty fast, and chasing them around the house usually isn't the best way to catch them and remove them.
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
54 human-written examples
That's pretty fast".
News & Media
"It's pretty fast".
News & Media
He's pretty fast".
News & Media
That's pretty fast, huh?
News & Media
I'm pretty fast sideways.
News & Media
Expert writing Tips
Best practice
Use "are pretty fast" in contexts where a slightly informal tone is appropriate, such as describing the performance of everyday devices or athletes in sports commentary.
Common error
Avoid using "are pretty fast" in highly formal documents or academic papers where more precise or technical language is expected. Opt for alternatives like "are quite rapid" or "exhibit considerable pace" instead.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "are pretty fast" functions as an adjective phrase used to attribute a characteristic of speed or quickness to a subject. It modifies nouns by describing their velocity, as Ludwig examples demonstrate across various contexts.
Frequent in
News & Media
60%
Wiki
20%
Science
20%
Less common in
Formal & Business
0%
Academia
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, the phrase "are pretty fast" is a grammatically sound and frequently used adjective phrase to describe the speed of something. Ludwig AI confirms its general correctness and usability in many contexts. While its register is neutral to informal, making it less suited for strictly formal or academic writing, it's common in news, media and general conversation. For more formal situations, consider alternatives like "are quite quick" or "are fairly rapid".
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
are quite quick
Replaces "pretty" with "quite", indicating a slightly more formal tone and emphasis on speed.
are fairly rapid
Substitutes "fast" with "rapid" and "pretty" with "fairly", offering a slightly more sophisticated vocabulary choice.
are reasonably speedy
Uses "speedy" instead of "fast" and "reasonably" instead of "pretty", presenting a slightly more nuanced description of speed.
move at a good clip
An idiomatic expression indicating fast movement or progress, differing in structure from the original phrase.
operate with considerable speed
Replaces the adjective phrase with a more formal, verb-centric construction emphasizing speed of operation.
are known for their velocity
Shifts the focus to inherent velocity as a characteristic, using a more scientific or technical term.
exhibit considerable pace
Employs "pace" instead of "speed" and "exhibit" for a more formal tone, altering the original structure.
demonstrate high-speed capability
Uses a noun phrase to emphasize the capability of high speed, significantly changing the wording.
are characterized by swiftness
Replaces the simple adjective phrase with a descriptive statement about swiftness.
possess a notable quickness
Focuses on the quality of quickness, using a more abstract noun instead of a direct adjective.
FAQs
How can I use "are pretty fast" in a sentence?
You can use "are pretty fast" to describe the speed of something, like "These new computers "are pretty fast", which makes our work much easier".
What's a more formal way to say "are pretty fast"?
For a more formal tone, consider using phrases like "are quite quick" or "are fairly rapid" which maintain a similar meaning but sound more professional.
Is "are pretty fast" suitable for academic writing?
While grammatically correct, "are pretty fast" might be too informal for academic writing. Opt for more precise language such as "exhibit considerable pace" or "demonstrate high-speed capability".
What does "are pretty fast" imply about the speed being described?
The phrase suggests that something is faster than average, but not necessarily the absolute fastest. It indicates a noticeable and satisfactory level of speed.
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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested