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 first I think
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "at first I think" is correct and usable in written English.
You can use it when expressing an initial thought or impression about something before potentially changing your mind later. Example: "At first I think this project will be easy, but I soon realize it requires more effort than I anticipated."
✓ Grammatically correct
News & Media
Academia
Alternative expressions(20)
initially, I believed
at first I felt
at first I believed
in the beginning I assumed
at first I liked
at first I attributed
at first I considered
in the beginning, I assumed
at first I supposed
at best I thought
I initially had the impression
at the outset, I presumed
my first impression was
at first I imagined
at first I interpreted
at first I expected
initially I believed
my initial thought was
at first I believe
at first I thought
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
49 human-written examples
"At first i think it was an alternative to taxi because it was faster, and now it's cheaper… But now it's started competing with other things, like rental cars".
News & Media
He felt a bit awkward at first, I think.
News & Media
At first, I think Altman is gently taking the piss.
News & Media
At first, I think, it was the alien quality of it.
News & Media
At first I think I've misheard him, which is remarkably easy to do.
News & Media
At first, I think he's talking about a dessert; then I see the burnt trees.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
11 human-written examples
At first I thought, "Wow!
News & Media
At first, I thought: Mom.
News & Media
At first I thought I should wait.
News & Media
"At first I thought they were kidding".
News & Media
At first, I thought this was expensive.
News & Media
Expert writing Tips
Best practice
Use "at first I think" to introduce a viewpoint that may evolve or change as more information becomes available. This shows open-mindedness and critical thinking.
Common error
Avoid starting multiple consecutive sentences with "at first I think". Vary your sentence structure by using alternatives like "initially, I believed" or "my initial impression was" to maintain reader engagement.
Source & Trust
88%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "at first I think" functions as an introductory expression used to preface an initial thought, impression, or belief. Ludwig AI's analysis shows it serves to signal a preliminary viewpoint that might evolve as more information is considered.
Frequent in
News & Media
50%
Academia
50%
Science
0%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
The phrase "at first I think" is a common and grammatically sound way to introduce a preliminary thought or impression. Ludwig AI's analysis of various sources, primarily from news and media and academic contexts, shows that it serves to signal a tentative viewpoint. While acceptable in most situations, overuse should be avoided by alternating with phrases like "initially, I believed" or "my first impression was". The phrase is suitable for neutral and informal contexts, but less common in formal academic writing where more precise language may be preferred.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
initially, I believe
Replaces "at first" with "initially" for a more formal tone, while retaining the expression of belief.
at the beginning, I thought
Substitutes "at first" with "at the beginning" to emphasize the temporal aspect of the initial thought.
in my initial assessment, I felt
Offers a more analytical approach, replacing "think" with "felt" to highlight a subjective assessment.
my first impression was
Focuses on the immediate feeling or perception, omitting the explicit statement of thinking.
to begin with, my opinion was
Emphasizes the starting point of a formed opinion, using "opinion" instead of "think".
originally, I assumed
Replaces "think" with "assumed", suggesting a potentially incorrect initial belief.
at the outset, I gathered
Highlights the initial understanding or gathering of information.
I initially had the impression
Focuses on the received impression, making the statement more descriptive.
in the beginning, it seemed to me
Emphasizes the appearance or seeming of something at the start.
firstly, I considered
Introduces the initial consideration of a matter, using "considered" as a more thoughtful alternative.
FAQs
How can I use "at first I think" in a sentence?
Use "at first I think" to introduce a preliminary thought or impression that you might later revise or expand upon. For instance, "At first I think this task is simple, but I soon realized it's more complex than I anticipated."
What can I say instead of "at first I think"?
You can use alternatives like "initially I believe", "at the beginning I thought", or "my first impression was" depending on the context.
Is it grammatically correct to say "at first I think"?
Yes, "at first I think" is grammatically correct. It's a common way to express a preliminary or initial thought. However, it's important to ensure clarity and context when using the phrase.
What's the difference between "at first I think" and "later I think"?
"At first I think" indicates an initial thought or impression, while "later I think" suggests a subsequent thought or realization. The former sets up an initial perspective, while the latter introduces a thought that developed over time.
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
88%
Authority and reliability
4.1/5
Expert rating
Real-world application tested