Writesonic vs Quillbot: An in-depth comparison

Kenneth Pangan
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Kenneth Pangan

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Katelin Teen

Last edited January 26, 2026

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Picking an AI writing tool can feel like staring at the cereal aisle. There are too many choices, and they all promise to make your life easier. You've probably seen Writesonic and Quillbot pop up everywhere. They might look similar on the surface, but they're designed for totally different tasks. Think of one as a chef who cooks your meal from scratch, and the other as a sous-chef who helps you prep and perfect your own recipe.

This post will cut through the noise. We'll dive into their features, who they're for, and how much they cost, so you can decide which one is right for you. And if you're looking for something that can turn a single keyword into a complete, SEO-ready blog post, we'll cover that as well. That's actually how a tool like the eesel AI blog writer helped us take our blog from 700 to a whopping 750,000 daily impressions in just three months.

What is Writesonic?

A screenshot of the Writesonic homepage, showing its features for comparing Writesonic vs Quillbot.
A screenshot of the Writesonic homepage, showing its features for comparing Writesonic vs Quillbot.

Writesonic is more than just an AI writer. It calls itself a full-on AI visibility platform. It's a mix of content creation, search engine optimization (SEO), and something new called Generative Engine Optimization (GEO).

Its main purpose is to help marketing teams track and boost their brand's presence, not just on Google, but also on AI search platforms like ChatGPT, Gemini, and Perplexity. So, you're not just writing an article. You're also checking how that content does in AI search, spotting places where your brand isn't mentioned, and even getting help with technical SEO tweaks. It’s basically a one-stop shop for marketers and SEO folks who need their content to rank in traditional search and get noticed by AI.

What is Quillbot?

A screenshot of the Quillbot homepage, a key tool in the Writesonic vs Quillbot debate.
A screenshot of the Quillbot homepage, a key tool in the Writesonic vs Quillbot debate.

Quillbot, on the other hand, is more like a writing partner. It’s made to work alongside you to make your existing writing stronger, clearer, and more professional. It’s less about creating something out of thin air and more about polishing what you’ve already got.

At its heart is a set of eight tools to help you refine your work. You have the well-known Paraphraser and Grammar Checker, a Plagiarism Checker, an AI Humanizer to make AI text sound less robotic, a Summarizer, and even a Citation Generator. It’s the kind of tool that’s great for students, academics, and professionals who are already writing but could use a second pair of AI eyes to help them improve.

Writesonic vs Quillbot: A core features showdown

The real differences between Writesonic and Quillbot pop out when you put their main features side-by-side. While both use AI, they use it to tackle very different problems.

An infographic detailing the core feature differences between the two AI tools for this Writesonic vs Quillbot comparison.
An infographic detailing the core feature differences between the two AI tools for this Writesonic vs Quillbot comparison.

Content generation vs. writing assistance

  • Writesonic: Its main strength is creating brand-new content. The AI Article Writer 6.0 can produce fact-checked, SEO-optimized articles up to 5,000 words. It works by looking at top-ranking competitor articles and pulling in real-time info from the web. It's built for making long-form content from the ground up.
  • Quillbot: This tool is all about helping you with your writing process. Its Paraphrasing Tool offers different modes (like Academic or Creative) to rephrase text, while its Co-Writer feature helps you organize your research and writing in one spot. It won't, however, write a full article for you from a simple prompt.
  • The verdict is straightforward: Writesonic is a content creator, and Quillbot is a writing partner.

Editing and polishing tools

  • Quillbot: This is where Quillbot really excels. It gives you a whole toolbox for perfecting your text. You get an advanced Grammar Checker, a Plagiarism Checker that scans your work in over 100 languages, and an AI Humanizer to smooth out any clunky, robotic-sounding phrases.
  • Writesonic: It does have a paraphrasing tool and its own "Sonic Editor" for making changes to the content it generates. But these are just a couple of features within a much bigger platform, so they aren't as specialized as Quillbot’s dedicated editing tools.
  • For anyone who needs to edit, rephrase, and polish existing text with a lot of precision, Quillbot is the clear choice.

SEO and generative engine optimization (GEO)

  • Writesonic: This is a major focus for them. The platform is designed for both SEO and GEO, allowing you to see how your brand is showing up in AI search results on platforms like ChatGPT and Gemini. It also connects with Google data to score your content and suggest improvements.
  • Quillbot: Quillbot doesn't have any specific SEO or GEO tools. Any benefits are indirect. By helping you clean up your grammar and improve readability, it can raise your content quality, which is a factor in search rankings. But it can't do keyword research, check out your competitors, or track your AI visibility.
  • Writesonic is built for marketers who live and breathe search visibility, making it the clear choice for SEO and GEO.

Integrations and workflow

  • Quillbot: This tool is made to fit right into your current writing habits. It has extensions for Chrome and Microsoft Word, as well as desktop and mobile apps. This means you can use its features without leaving the document or browser you're working in.
  • Writesonic: Writesonic connects with tools in your marketing and SEO toolkit, like WordPress, Zapier, and Semrush. It also offers a powerful API for developers (on its Professional plan and up) who want to build their own custom integrations.
  • The choice here depends on the environment: Quillbot fits into your personal writing space, while Writesonic plugs into a company’s larger marketing system.

Writesonic vs Quillbot: Use cases and target audience

The right tool for you really depends on who you are and what you need to do.

Who should use Writesonic?

  • Target users: Marketing directors, SEO managers, content teams, and agencies.
  • Primary use cases: Pumping out a lot of SEO-optimized blog posts, keeping an eye on your brand's performance in AI search, creating a data-driven content strategy, and generating all sorts of marketing copy. It’s for teams focused on driving traffic and winning at search.
    Reddit
    Useful for writers making instructional or educational books.

Who should use Quillbot?

  • Target users: Students, academics, professionals, content creators, and people learning English.
  • Primary use cases: Paraphrasing text to avoid plagiarism, improving sentence flow, checking for grammar mistakes, creating citations for research papers, and summarizing long documents. It’s for individuals who are actively writing and just need a little help saying things better.
    Reddit
    Quillbot works in a pinch, but it can feel stiff or generic sometimes. Walter writes ai is a solid alternative, less about just rephrasing and more about making the tone sound actually human.

A pricing breakdown for Writesonic vs Quillbot

The pricing for each tool is a good reflection of who it's made for.

An infographic comparing the pricing plans for the Writesonic vs Quillbot debate.
An infographic comparing the pricing plans for the Writesonic vs Quillbot debate.

Writesonic pricing plans

Writesonic has a free trial so you can get a feel for its basic tools. The paid plans are aimed at professional use and are a bit more expensive. If you pay annually, the plans are:

  • Lite: $39 per month
  • Standard: $79 per month
  • Professional: $199 per month (this is the first plan that includes the GEO features)
  • Advanced: $399 per month

Quillbot pricing plans

Quillbot has a pretty solid free version, though it has some limitations. The Premium plan unlocks everything with unlimited use.

  • Premium (Annual): $8.33 per month (which is $99.95 billed once a year)
  • Premium (Monthly): $19.95 per month

Quillbot also has a 3-day money-back guarantee, so you can try the Premium plan without any risk.

An alternative for blog generation: eesel AI blog writer

So, Writesonic helps you create content, and Quillbot helps you refine it. But what if your goal is very specific: turning one keyword into a complete, ready-to-publish blog post without a lot of fuss? That’s where a specialized tool like the eesel AI blog writer comes into play.

The eesel AI blog writer dashboard, an alternative in the Writesonic vs Quillbot discussion.
The eesel AI blog writer dashboard, an alternative in the Writesonic vs Quillbot discussion.

It automates the entire blogging process, from research and writing to creating all the visuals. It's the exact system we used to grow our own blog from 700 to 750,000 daily impressions in 3 months.

Unlike more general AI writers, it has a few unique features designed to create content that actually ranks:

  • Automatic asset generation: It doesn’t just spit out a wall of text. It creates custom images, tables, and infographics to make your post more engaging and easier to digest.
  • Authentic social proof: It automatically finds and embeds relevant YouTube videos and real quotes from Reddit threads. This adds a human element and makes your content feel more trustworthy.
  • Context-aware research: It knows what kind of blog post you’re making. For a comparison post like this, it would automatically find and include pricing information for the tools being compared.

The eesel AI blog writer is completely free to try. You can generate your first article and see the quality for yourself with no strings attached.

Writesonic vs Quillbot: A summary of the key differences

Here’s a quick table to help you compare the two tools at a glance.

FeatureWritesonicQuillbot
Primary FunctionAI Visibility & Content GenerationParaphrasing & Writing Assistance
Best ForMarketers, SEO Managers, AgenciesStudents, Academics, Writers
Long-Form ContentYes, a core strengthNo, assists with existing text
SEO & GEO ToolsYes, built-in and advancedNo, indirect benefits only
Free PlanFree trialLimited free version
Starting Price$39/month (annual billing)$8.33/month (annual billing)

For a more visual breakdown, here's a video that compares Writesonic and Quillbot head-to-head, showing their interfaces and key features in action.

A video review comparing the features and use cases of Writesonic vs Quillbot.

Writesonic vs Quillbot: Which tool should you choose?

At the end of the day, the choice between Writesonic and Quillbot really comes down to your specific needs.

Choose Quillbot if your main goal is to improve and polish text that you’ve already written. It’s an amazing editor and writing assistant that will make sure your work is clear, correct, and professional.

Choose Writesonic if you need to create new marketing content from scratch and want to boost your brand's visibility in both regular search and AI search. It’s a powerful platform for content production and search optimization.

But if your mission is to scale high-quality, SEO-optimized blog content with as little effort as possible, you might want to consider a more specialized tool. The eesel AI blog writer automates the whole process, taking you from a single keyword to a publish-ready post complete with unique visuals and social proof.

Ready to see how you can generate complete blog posts in just a few minutes? Try eesel AI for free and publish your first article today.

Frequently Asked Questions

The main difference is their core function. Writesonic is a content generator designed to create new articles and marketing copy from scratch, with a heavy focus on SEO. Quillbot is a writing assistant designed to improve and polish text you've already written through paraphrasing, grammar checks, and summarizing.
Quillbot is almost always the better choice for students. Its tools for paraphrasing, checking for plagiarism, and generating citations are built for academic work. Writesonic is geared more towards marketing professionals and businesses.
Writesonic is the clear winner for SEO. It has built-in tools for keyword research, competitor analysis, and even a new feature for Generative Engine Optimization (GEO) to help you rank in AI search results. Quillbot's SEO benefits are indirect, coming from improved content quality.
Yes, both offer free options. Quillbot has a generous free version with some limitations on its features. Writesonic offers a free trial that gives you a taste of its basic tools before you need to upgrade to a paid plan.
Writesonic is the tool for writing a full blog post from a prompt. Its AI Article Writer can generate long-form, SEO-optimized content. Quillbot does not generate new articles; it helps you refine existing ones. For a specialized tool that automates the entire blog creation process, you might also consider an alternative like the eesel AI blog writer.

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Kenneth Pangan

Writer and marketer for over ten years, Kenneth Pangan splits his time between history, politics, and art with plenty of interruptions from his dogs demanding attention.