When you search Reddit using Perplexity, the results often show individual comments instead of full posts. By default, Perplexity displays comments in the order they appear on Reddit. This can bury the most useful replies, especially in threads with hundreds of responses. The Reddit Focus filter lets you change the sort order to Top Comments, so you see the highest-voted replies first. This article explains how to use that filter and get better answers from Reddit discussions.
Key Takeaways: Sort Reddit Comments by Top in Perplexity
- Reddit Focus filter: Sets the search to pull results only from Reddit, not other social sites.
- Sort by Top Comments: Reorders Reddit replies by upvote count, not by default Reddit order.
- Apply before searching: The filter must be selected before you hit Enter; it cannot be changed after results appear.
What the Reddit Focus Filter Does
Perplexity offers Focus filters that restrict the search to a single source. The Reddit Focus filter limits results to Reddit posts and comments. Without this filter, Perplexity searches the entire web, which includes Reddit but also many other sites. When you apply the Reddit Focus filter, Perplexity queries Reddit’s API directly and returns structured results: a list of relevant posts, each with a set of comments.
The default comment order in Perplexity mirrors Reddit’s default sort, which is Best. Reddit’s Best sort considers both upvotes and the recency of votes. For many power users, the Top sort is more useful because it shows the highest-voted comments first, regardless of when they were posted. Perplexity provides a separate control for this.
The Reddit Focus filter is available on the Perplexity web app and the desktop browser version. It is not currently available on the mobile app. You must be logged into your Perplexity account to use Focus filters. Free and Pro accounts both support the Reddit Focus filter.
Steps to Sort Reddit Results by Top Comments
- Open Perplexity in a desktop browser
Go to perplexity.ai and sign in. The Focus filters are not available on the mobile app, so use a computer or a mobile browser in desktop mode. - Click the Focus button
In the search bar, look for the button labeled Focus. It is located to the left of the text input field. Click it to open the Focus menu. - Select Reddit from the list
In the Focus menu, click Reddit. This tells Perplexity to search only Reddit. The Focus button now shows the Reddit logo and the word Reddit. - Click the Sort Order dropdown
Below the search bar, a new dropdown appears labeled Sort by. The default value is Best. Click the dropdown to see the options. - Choose Top Comments
From the dropdown, select Top Comments. This option sorts the returned Reddit comments by their total upvote count, with the highest-voted comments appearing first. - Enter your search query
Type your search terms into the main search bar. For example, type best budget mechanical keyboard. Press Enter or click the search icon. - Review the sorted results
Perplexity displays a list of Reddit posts. Each post expands to show comments. The comments are now ordered from highest to lowest upvotes. The first comment for each post is the most upvoted reply.
Common Issues With Reddit Focus Filters
Sort by Top Comments Option Is Grayed Out
This happens when you have not selected the Reddit Focus filter. The Sort by dropdown only appears when Reddit is the active Focus. If you see Best but cannot click Top Comments, click the Focus button and confirm Reddit is selected. Also, the Sort by dropdown does not appear if you are using the Perplexity mobile app. Use a desktop browser instead.
Results Show Posts Without Comments
Perplexity returns posts from Reddit, but some posts may have zero comments. This is not a bug. The search algorithm pulls posts that match your query, and some posts may not have replies. To get better results, add more specific keywords or use the exact phrase from a Reddit thread title. For example, instead of laptop, search best laptop for programming Reddit.
Comments Are Sorted by Best, Not Top
If the comments appear in an order that does not match the highest upvotes, the Sort by dropdown may have reset to Best. This can happen if you navigate away from the results page and then return. Reapply the filter: click Focus, select Reddit, then choose Top Comments again. Then re-run your search.
Reddit Focus Filter Does Not Appear in the Mobile App
As of this writing, the Reddit Focus filter and the Sort by dropdown are available only on the web version. The mobile app does not support Focus filters at all. To sort Reddit comments by Top, use a browser on your phone in desktop mode. On an iPhone, open Safari, tap the aA icon, and select Request Desktop Website. Then follow the steps above.
| Item | Best Sort (Default) | Top Comments Sort |
|---|---|---|
| Sorting logic | Combines upvotes and recency of votes | Total upvotes only |
| Best for | New threads where recent votes matter | Older threads where historical upvotes matter |
| Comment visibility | Newer high-vote comments may appear after older ones | Highest-voted comment appears first regardless of age |
| Availability in Perplexity | Default when Reddit Focus is active | Requires manual selection in Sort by dropdown |
Using the Top Comments filter in Perplexity lets you see the most valuable Reddit replies immediately. You save time by skipping low-vote comments at the bottom of threads. Try applying the Reddit Focus filter before your next search for product recommendations or troubleshooting advice. For even more precise results, combine the Top Comments sort with a date range filter in Perplexity to find the highest-voted replies from the last year only.