Brandwave

QuillBot vs Writesonic:Which is more popular?

In September 2026, QuillBot had more branded searches than Writesonic among AI writing assistants worldwide. QuillBot had about 5 million branded searches, while Writesonic had 25,800. QuillBot made up 96.3% of all AI writing assistant searches we track, and Writesonic accounted for 0.5%. When we asked ChatGPT and Google AI Overviews about AI writing assistants, QuillBot appeared in two of the five answers and Writesonic in none.

Among AI writing assistants worldwide in September 2026

Who do people search for more?

QuillBot, about 194 searches for every 1 for Writesonic

QuillBot 5M searchesWritesonic 25.8K searches

Who does AI mention more?

QuillBot, mentioned in 2 of 5 answers, Writesonic in 0

QuillBot in 2 of 5Writesonic in 0 of 5

Who does AI recommend more?

QuillBot, the only one of the two named

QuillBot first in 2Writesonic never named

Follow QuillBot vs Writesonic and get free monthly updates on what changed

By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy

Track your brand against a rival →

Top AI writing assistants in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, QuillBot was mentioned in two out of five: not in any of the three ChatGPT answers, but in both Google AI Overviews. Writesonic did not appear in any of the five answers.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. Grammarly1st
  2. Jasper2nd
  3. Sudowrite3rd
  4. QuillBot4th
  5. Copy.ai–
  6. Writesonic–
  7. Rytr–

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • Grammarly5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Jasper4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • QuillBot2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Sudowrite2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Copy.ai0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Writesonic0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Rytr0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about AI writing assistants

5 answers

Not named in any answer:

Brands are shown in the order each answer named them. The survey took place in the United States on October 20, 2026.

Is QuillBot or Writesonic more popular in search?

This chart shows how often people search Google for QuillBot and Writesonic by name. Each line represents a brand's share of searches for all seven AI writing assistants we track, month by month, from English-language searches worldwide.

QuillBot and Writesonic among AI writing assistants worldwide, by month

Share of searches by month for QuillBot, Writesonic. The figures are in the table below the chart.

View monthly share of searches table
MonthQuillBotSudowriteJasperCopy.aiWritesonicRytrGrammarly
Oct 202595.7%0.77%1.4%0.96%0.69%0.42%0.01%
Nov 202596%0.64%1.4%0.78%0.69%0.4%0.01%
Dec 202595.2%0.94%1.4%0.94%0.84%0.6%0.01%
Jan 202694.2%1.1%2.1%1.1%0.83%0.59%0.01%
Feb 202695%1.1%1.7%0.94%0.68%0.5%0.01%
Mar 202695.3%1.2%1.7%0.77%0.56%0.43%0.01%
Apr 202694.8%1.4%1.7%0.94%0.68%0.43%0.01%
May 202695.7%1.2%1.4%0.8%0.56%0.35%0.01%
Jun 202695.4%1.4%1.4%0.79%0.57%0.35%<0.01%
Jul 202695.1%1.7%1.4%0.78%0.58%0.41%0.01%
Aug 202696.1%1.4%1.2%0.64%0.4%0.29%<0.01%
Sep 202696.3%1.4%0.96%0.52%0.5%0.28%0.01%

How has the QuillBot and Writesonic comparison changed over the last 12 months?

3 findings
  • QuillBot was ahead of Writesonic in every measured month of the 12 months ending September 2026.
  • Across the 12 months ending September 2026, QuillBot’s share of searches among AI writing assistants worldwide moved from 95.7% to 96.3%, and its estimated monthly branded searches moved from 9.1M to 5M.
  • Across the 12 months ending September 2026, Writesonic’s share of searches among AI writing assistants worldwide moved from 0.69% to 0.5%, and its estimated monthly branded searches moved from 65.9K to 25.8K.

How did search popularity change for AI writing assistants worldwide in September 2026?

2 changes

  1. Estimated monthly branded searches for Writesonic worldwide fell 60.8% over 12 measured months, from 65.9K to 25.8K in September 2026.

  2. Estimated monthly branded searches for QuillBot worldwide fell 45.3% over 12 measured months, from 9.1M to 5M in September 2026.

How are branded searches counted?

3 search terms

Brandwave collects information about searches that people make online using QuillBot’s and Writesonic’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.

QuillBot

1 branded search term

  • quillbot

Writesonic

2 branded search terms

  • writesonic
  • writesonic ai

How the Brand Demand Index is measured

Creator with pink hair and a pink jacket

Put your own brand in this comparison

Brandwave tracks your branded demand next to the rival you actually watch, with your campaigns, spend and outcomes on the same timeline.

Start free