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List of the Best AI Writing Assistant Software in 2026

Rajat Gupta
Researched and Edited by Rajat Gupta
Rajat Gupta

Researched and Edited by Rajat Gupta

Last updated: · How we review

Editor's Summary · AI Writing Assistant Software

Grammarly Business holds a 9.6 SpotScore with a 4.6/5 from 8,647 reviews — by far the most validated AI writing tool in this category — checking grammar, tone, clarity, and engagement across browsers, email clients, and Google Docs via browser extension with freemium access. QuillBot scores 4.09/5 from 150 reviews at a 9.6 SpotScore and has become the go-to paraphrasing and summarization tool for students and academic researchers, offering multiple rewrite modes on a freemium plan. PaperRater leads on SpotScore at 9.8 with a 4.6/5 from 17 reviews and a freemium tier, running grammar checks and plagiarism detection in a lightweight, no-install tool favored by academic writers doing quick pre-submission checks.

AI writing assistant software checks grammar, suggests rewrites, adjusts tone, and paraphrases text to help individuals and teams write cleaner, more consistent content at higher volume. The main buyers are content marketers, academic researchers, business writers, and customer support teams producing large amounts of written communication.

Quick picks for AI Writing Assistant Software

  • Best overallGrammarly Business
  • Best for paraphrasing and academic researchQuillBot
  • Best for academic grammar and plagiarism checksPaperRater
  • Best free optionGrammarly Business

Who gets the most from AI Writing Assistant Software

  • 1Marketing managers at SaaS companies seeking consistent brand voice across content
  • 2Academic editors and research scholars requiring advanced formatting and collaboration tools
  • 3Content writers and copywriters in digital marketing agencies focused on SEO-friendly and high-quality content
How to choose AI Writing Assistant Software

If you need strong real-time grammar and style suggestions with broad integrations, filter by products offering Microsoft Word and Google Docs support and sort by user rating. For academic or research-focused writing, filter by use cases like Academic Publishing or Research Institutions. If SEO optimization and rapid content generation are priorities, filter by content creation and SEO use cases and consider pricing tiers like Premium or Enterprise.

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Showing 21-40 out of 72

8.7

SpotScore

Autoblogging Pro

Autoblogging Pro

Revolutionize your content creation with effortless AI technology.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

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What is Autoblogging Pro?

Introducing Autoblogging Pro, the advanced solution for effortless AI content creation. Powered by OpenAI's GPT models, this revolutionary tool enables users to generate SEO-optimized blog content easily. Say goodbye to the time-consuming task of writing and refining blog posts - with ...

Read more about Autoblogging Pro
Free TrialTry Free →·

Starts from $24.16/month when Billed Yearly, also offers free forever plan

8.7

SpotScore

Smart Copy - AI Writing Assistant Software

Smart Copy

Revolutionize your content creation with Smart Copy.

Best for: SMB teams · Mid-market

Start Free Trial

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What is Smart Copy?

Smart Copy is an AI copywriting tool that generates and remixes content based on inputs about your audience and brand. Enter basic product or business information to produce tailored copy, or feed in existing material to generate new variations across a range of customer-facing formats.

Read more about Smart Copy
Free TrialTry Free →·

Starts from $25/Month when Billed Yearly, also offers free forever plan

8.6

SpotScore

ALTTEXT.AI

ALTTEXT.AI

Empower your content with optimized alt text generation.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

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What is ALTTEXT.AI?

ALTTEXT.AI, the premier Alt Text Generator Software, is a must-have tool for professionals who prioritize SEO and accessibility. By utilizing AI-driven technology, ALTTEXT.AI guarantees that users can effortlessly deliver optimized content across their website, blog, online store, apps, and ...

Read more about ALTTEXT.AI
Free TrialTry Free →·

Starts from $4.08/month when Billed Yearly

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8.6

SpotScore

Felix

Felix

Streamline content creation for social media success.

Best for: SMB teams · Mid-market · Enterprise

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What is Felix?

Felix is a content automation platform for content creators, small businesses, and mid-sized companies managing social media. It uses machine learning to simplify content design and scheduling, and lets users incorporate audio clips and supplementary data to add context. Teams can manage ...

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Free TrialTry Free →·

Starts from $10.00/month when Billed Yearly

8.6

SpotScore

CKEditor 5 - AI Writing Assistant Software

CKEditor 5

Effortless editing for flawless content creation.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

4.0

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What is CKEditor 5?

CKEditor 5 is an innovative WYSIWYG text editor which offers unparalleled convenience in editing and formatting your text. It has an auto-formatting function which lets users create documents their own way or using Markdown. Inserting phrases becomes fast and effortless with CKEditor 5's ...

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Free TrialTry Free →·

Starts from $37/Month when Billed Yearly, also offers free forever plan

8.5

SpotScore

Otio

Otio

Empower your research and writing with cutting-edge AI technology.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

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watch-demo

Watch Demo

What is Otio?

Otio is an AI-powered research workspace designed to help researchers, students, analysts, and knowledge workers extract insights from documents, web links, and videos with speed and accuracy. Built specifically for those juggling multiple sources—like academic PDFs, YouTube videos, or ...

Read more about Otio
Free TrialTry Free →
What buyers evaluate in AI Writing Assistant Software
Depth and accuracy of grammar, spelling, and style correction tailored to specific writing contexts
Availability of integrations with popular writing and communication platforms (e.g., Microsoft Word, Google Docs, Slack)
Support for specialized writing needs such as multilingual translation, academic formatting, or SEO-optimized content generation

8.5

SpotScore

Elephas - AI Writing Assistant Software

Elephas

Revolutionize your writing with Elephas.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

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What is Elephas?

Elephas is the first-ever AI writing assistant that works on every device, including Mac, iPhone, and iPad. Save time and make your writing easier with this revolutionary tool! It offers three different modes of content rewriting that make sure you get the most professional and engaging result. ...

Read more about Elephas
Free TrialTry Free →·

Starts from $4.17/Month when Billed Yearly

8.5

SpotScore

Bagel.ai - AI Writing Assistant Software

Bagel.ai

Effortless writing with AI precision.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

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What is Bagel.ai?

Write with speed and precision with Bagel.ai! Save time on your content creation process, and get the perfect results with the help of artificial intelligence. Bagel.ai provides personalized, SEO-ready content to help promote engaging blogs, ads, emails, and more. It uses precise word choices ...

Read more about Bagel.ai
Free TrialTry Free →·

Starts from $19/Month

8.5

SpotScore

Jasper - AI Writing Assistant Software

Jasper

Unlock your writing potential with AI.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

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What is Jasper?

Jasper is the best AI writing assistant to create content faster and more effectively. Our AI-powered assistant can help marketers, content writers and entrepreneurs break through writer's block and generate engaging content quickly. Experienced or novice, you can rely on Jasper to write blog ...

Read more about Jasper
Free TrialTry Free →·

Starts from $40/Month when Billed Yearly

8.4

SpotScore

SEOpital

SEOpital

Elevate your content strategy with cutting-edge AI technology.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

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What is SEOpital?

SEOpital is an AI-powered SEO content writing platform built for marketers, content strategists, agencies, and business owners who want to boost organic traffic and streamline their content workflow. It helps users generate unique, high-quality, SEO-optimized blog posts by analyzing the top 10 ...

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Free TrialTry Free →·

Starts from $49/month when monthly

8.4

SpotScore

FixMeBot

FixMeBot

Effortless, error-free communication at your fingertips.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

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What is FixMeBot?

Introducing FixMeBot, your ultimate Language Assistant powered by the latest in AI technology. This cutting-edge solution is expertly designed to enhance communication efficiency for professionals. By effortlessly correcting, paraphrasing, and even translating text in real-time, FixMeBot ...

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Free Trial

8.4

SpotScore

AtOnce - AI Writing Assistant Software

AtOnce

Unleash your productivity and conquer your day.

Best for: SMB teams · Mid-market

Start Free Trial

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What is AtOnce?

AtOnce is the ultimate AI-powered CRM and content generation solution, helping you reclaim up to 4-5 hours of your day. With its effective and efficient features you will be able to produce high-quality content for all purposes, while responding to emails 10 times faster. Imagine being able to ...

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Free TrialTry Free →·

Starts from $24/Month when Billed Yearly

8.4

SpotScore

Friday AI - AI Writing Assistant Software

Friday AI

Unleash your creativity with AI-powered writing.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

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What is Friday AI?

"Introducing Friday AI - the ultimate tool for writers who want to focus on inspiration, not just writing. With our innovative AI technology, Friday can assist with creating high-quality content, whether it's blogs, articles, or marketing materials. Say goodbye to the usual struggle of writing ...

Read more about Friday AI
Free Trial·

Starts from $19/Month

8.4

SpotScore

Instoried - AI Writing Assistant Software

Instoried

Emotion-driven content for maximum engagement.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

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What is Instoried?

Instoried uses NLP to measure emotion and tone in marketing copy and provides real-time, word- and sentence-level suggestions to improve audience engagement. Users can adjust titles, captions, and topic lines to balance positive, negative, and neutral tones across content categories from ...

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Free Trial·

Starts from $49/Year

8.3

SpotScore

Writekit

Writekit

Unleash boundless creativity with cutting-edge AI technology.

Best for: Mid-market · Enterprise

Start Free Trial

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What is Writekit?

Introducing Writekit, a revolutionary AI-driven writing tool that redefines content creation with simplicity at its core. By leveraging cutting-edge technology, Writekit empowers users to streamline their content production process, enhancing efficiency and sparking boundless creativity. This ...

Read more about Writekit
Free TrialTry Free →·

Starts from $19.00/month when Billed Yearly

8.3

SpotScore

Writeseed - AI Writing Assistant Software

Writeseed

Effortlessly create exceptional content.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

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What is Writeseed?

WriteSeed is the go-to AI tool for busy professionals who are looking for a way to quickly compose and publish high-quality content. It offers an advanced content engine powered by Artificial Intelligence to help cut down content creation time to just a fraction of what's normally needed. The ...

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Free TrialTry Free →·

Starts from $16/Month

8.3

SpotScore

Headlime - AI Writing Assistant Software

Headlime

Transform ideas into sales with Headlime.

Best for: Mid-market · Enterprise

Start Free Trial

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What is Headlime?

Headlime makes creating marketing copy quick and easy! With its Artificial Intelligence technology, you can now quickly transform your ideas into ready-made copy -saving you time and effort. Our templates come with thousands of ready-made options, simply fill in the blanks and, you can ...

Read more about Headlime
Free TrialTry Free →·

Starts from $59/Month

8.3

SpotScore

LongShot AI - AI Writing Assistant Software

LongShot AI

Effortless content creation with LongShot AI.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

Add to compare

What is LongShot AI?

LongShot AI is a revolutionary AI-powered tool designed for those who struggle with creating long-form and SEO-friendly content. With LongShot, the whole content generation process is made effortless. All you need to do is assist the AI in the research and optimization process. Say goodbye to ...

Read more about LongShot AI
Free TrialTry Free →·

Starts from $29.90/Month when Billed Yearly, also offers free forever plan

8.2

SpotScore

OneClickCopy

OneClickCopy

Effortless content creation made simple.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

Add to compare

What is OneClickCopy?

Looking for a revolutionary tool to effortlessly craft blog posts in a matter of seconds? OneClickCopy is the answer. Utilizing cutting-edge AI technology, this blog post generator is a game-changer for busy bloggers, website managers, and content creators seeking a seamless content creation ...

Read more about OneClickCopy
Free TrialTry Free →·

Starts from $24.00/month when Billed Yearly, also offers free forever plan

8.2

SpotScore

Shopia - AI Writing Assistant Software

Shopia

Content creation made smarter and faster.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

Add to compare

What is Shopia?

Shopia helps brands and agencies alike to maximize their sales with AI-driven content creation that can cut writing times by up to 70% and reduce their content creation costs. From crafting optimized copy specifically customized to target countries, marketing channels, and search engine ...

Read more about Shopia
Free TrialTry Free →·

Starts from $16/Month when Billed Yearly

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Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].