6 AI Writing Tools For Content Creators in 2025

AI writing tools can save you time and help you draft, edit, and refine your content, suggesting improvements in tone, structure, and clarity to let you focus on the creative aspects of your writing. Given the vast selection of choices, selecting the right tool can be daunting. I reviewed and compared the top AI writing tools based on features, pricing, and performance to help you find the best options for a wide range of use cases.

Here are my picks for the best AI writing tools for 2025:

Grammarly: Best Overall

Copy.ai: Best for Marketing and Sales Content

QuillBot: Best for Paraphrasing

Writesonic: Best for Writing Factually Accurate Articles

Rytr: Best for Versatile Content Creation

Frase: Best for SEO Writing

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Comparison Chart: Best AI Writing Tools

This table below provides a concise overview of the best AI writing tools, including their overall ratings, key advantages, drawbacks, and starting price, so you can compare options at a glance.

AI Writing Tool
Overall Rating
Pros
Cons
Starting Price

Grammarly
4.4/5
Comprehensive features
Occasionally misinterprets terms not in its database
$12 per user, per month

Copy.ai
4/5
High tone customization
Lacks built-in plagiarism checker
$49 per seat, per month

QuillBot
4/5
Robust multilingual support
Complex interface
$19.95 per user, per month

Writesonic
3.8/5
Bulk AI article generator
Struggles following complex prompts
$20 per user, per month

Rytr
3.7/5
High versatility
Restrictive free version
$9 per user, per month

Frase
3.6/5
Built-in SEO optimization tools
Poor summarization
$15 per user, per month

TABLE OF CONTENTS
ToggleComparison Chart: Best AI Writing ToolsGrammarlyCopy.aiQuillBotWritesonicRytrFrase5 Key Features of an AI Writing ToolHow I Evaluated the AI Writing ToolsFrequently Asked Questions (FAQs)Bottom Line: AI Writing Tools Enhance Content Creation

Grammarly

Best Overall

Overall Rating: 4.4/5

Cost: 3.9/5

Core Features: 4.8/5

Security and Compliance: 5/5

Customer Support: 3.5/5

Ease of Use: 5/5

Grammarly is a powerful all-around AI writing tool with real-time grammar and spell-checking, tone adjustment, and generative AI features. It can create anything from outlines to short stories based on your prompts and generate enhanced versions of your existing text. It can spark ideas for brainstorming and modify writing tones for different contexts and audiences, making it ideal for various writing tasks. Additionally, you can upload files into Grammarly to have the tool analyze the writing or summarize lengthy content.

However, this artificial intelligence (AI) tool supports fewer languages than some competitors, which may be a drawback for multilingual users. Consider Rytr for an alternative with expanded multilingual capabilities.

Visit Grammarly

Interface Design

Grammarly has a well-designed interface with a writing assistant that scores your overall writing quality and lets you tailor writing recommendations. You can use the generative AI to set your voice and style or check your content for plagiarism and AI writing without navigating to another page. The platform is customizable, so you can configure certain elements and views to your preference.

Why I Picked Grammarly

Grammarly is the best overall writing tool on my list because of its rich set of writing features and versatility. It is suitable for a wide range of users, from students to professionals. It also operates seamlessly across multiple platforms, including web browsers and desktop applications, giving you real-time assistance wherever you work.

Pros and Cons

Pros
Cons

Comprehensive features
Brief free trial duration

Customizable
Fewer supported languages compared to others

Plagiarism and AI checker
Occasionally misinterprets names or terms not in its database

Pricing

Free: Includes 100 AI prompts

Pro: $12 per user, per month

Enterprise: Custom pricing

Learn more on Grammarly’s pricing page.

Key Features

Real-time grammar, punctuation, and style corrections

Personalized writing suggestions and feedback

Plagiarism and AI checker

Generative AI assistance

Copy.ai

Best for Marketing and Sales Content

Overall Rating: 4/5

Cost: 5/5

Core Features: 3.9/5

Security and Compliance: 4/5

Customer Support: 3/5

Ease of Use: 3.8/5

Copy.ai is an AI writing tool primarily for creating high-quality marketing and sales content. It has more than 90 templates for generating social media posts, email campaigns, and product descriptions. It also gives fresh ideas and suggestions to spark inspiration when creativity wanes. Copy.ai’s Brand Voice enables you to tailor the general tone and style of your content, ensuring that all your written materials align with your brand identity. The platform has a prompt library with a collection of pre-made prompts and templates for easier content creation. 

A notable downside of Copy.ai is its lack of a plagiarism checker. If you need plagiarism detection, Grammarly is an excellent AI tool to consider.

Visit Copy.ai

Interface Design

Copy.ai’s interface presents a variety of features and lets you choose from a selection of AI models, including GPT-4 and Claude models. It also has a textbox for interaction with the AI tool and a separate Editor for typing and modifying content. While these options provide functionality, they can be overwhelming, particularly since it’s necessary to understand the capabilities of each AI model to make the most of the platform.

Why I Picked Copy.ai

I highly recommend Copy.ai because its robust features streamline creating content. Its prompt library serves as a valuable starting point for new marketing and sales content writers, and its generous free version makes it accessible for small businesses.

Pros and Cons

Pros
Cons

Prompt library
No plagiarism checker

Extensive tone customization
Lacks data encryption

Consistent AI-generated content
Poor summarization features

Pricing

Free: Includes one seat and 2,000 words per month

Starter: $49 per seat, per month

Advanced: $249 per month, up to five seats

Enterprise: Custom pricing

Learn more on Copy.ai’s pricing page.

Features

Brand voice

Infobase for storing assets

Tone adaptability

Prompt library

QuillBot

Best for Paraphrasing

Overall Rating: 4/5

Cost: 3.9/5

Core Features: 4.7/5

Security and Compliance: 4/5

Customer Support: 4/5

Ease of Use: 2.5/5

QuillBot is a popular AI-powered writing tool renowned for its advanced paraphrasing capabilities, which improve text fluency, clarity, and readability. It delivers multiple paraphrasing models so you can adapt the output to different contexts. It can translate to over 30 languages and has a Citation Generator for academic writing. QuillBot Flow, its AI assistant, provides structured guidance to simplify writing projects.

While Quillbot offers sophisticated features, it sometimes misses grammatical errors on the first pass and may require additional corrections. Grammarly is a better fit if grammar accuracy is your priority.

Visit QuillBot

Interface Design

QuillBot’s interface includes a sidebar that lists all its tools, including its paraphraser, grammar checker, AI detector, plagiarism checker, and AI assistant. However, each tool has its own tab, meaning you have to switch between them to use various features—this complicates the workflow, as you cannot use all functionalities on the same page. Additionally, QuillBot Flow is tucked away in its own tab, which takes you to a completely new page with its own set of options. Working with this AI feature is also cumbersome, as it regenerates both your prompt and output together, disrupting formatting.

Why I Picked QuillBot

I picked QuillBot as one of the best AI writing tools because of its extensive features and accessibility. Its browser extensions and native mobile applications allow you to write flexibly across devices and on the go. In addition, its customer support channels, which includes phone assistance, is a rare offering that sets it apart from competitors, delivering direct help when needed.

Pros and Cons

Pros
Cons

AI and plagiarism checker
Inconsistent output quality

Supports over 30 languages
Occasionally misses grammatical errors

Phone support
Complex AI interface

Pricing

Free: Includes 50 text prompts a day

Monthly: $19.95 per user, per month

Semi-Annual: $13.33 per user, per month

Annual: $8.33 per user, per month

Learn more on Quillbot’s pricing page.

Features

Paraphrasing tool

AI and plagiarism detection

Citation Generator

QuillBot Flow

Writesonic

Best for Writing Factually Accurate Articles

Overall Rating: 3.8/5

Cost: 2.8/5

Core Features: 4.4/5

Security and Compliance: 5/5

Customer Support: 3/5

Ease of Use: 3.8/5

Writesonic is a comprehensive AI writing tool that specializes in factually accurate articles with its access to real-time web search. Its AI Article Writer Feature helps you create detailed content by simply providing a topic and specifying keywords, brand voice, and references to tailor the output to your preference. The platform can also generate images and optimize content for search engines through keyword research and readability analysis. Chatsonic, its AI assistant, can create content and images, as well as analyze files.

Writesonic’s free version, though, is quite restrictive, offering only 25 one-time credits and limiting your ability to fully explore its functionalities. If you want an AI writing assistant with a free tier that has extensive features, try QuillBot.

Visit Writesonic

Interface Design

Writesonic’s interface has a clear layout and well-organized elements that make navigation intuitive. With its clean and unobtrusive design, beginners and experienced users can access the features they need with ease. However, some of its main functionalities can be cumbersome to use. Customizing content, for example, involves several steps, as you must input numerous details for highly tailored results. Also, its plagiarism checker is hidden and only appears when you highlight text, making it less straightforward to access.

Why I Picked Writesonic

Writesonic is one of the best AI tools for writing because of its all-in-one feature set that addresses varying writing needs. Aside from composing well-structured text for email, articles, and ads, its image generation capability lets you create complementary visuals to complete your content without switching to another AI software. On top of that, the platform also has enterprise-grade security features.

Pros and Cons

Pros
Cons

Bulk AI article generator
No free trial

Chatsonic AI assistant
Restrictive free version

AI image generator
Occasionally struggles following complex prompts

Pricing

Free: Includes 25 AI credits, one time

Individual: $20 per user, per month

Standard: $99 per team member, per month

Professional: $249 per three team members, per month

Advanced: $499 per five team members, per month

Learn more on Writesonic’s pricing page.

Features

Content templates

AI topic clustering

Paraphraser

AI assistant

Rytr

Best for Versatile Content Creation

Overall Rating: 3.7/5

Cost: 3.5/5

Core Features: 3.7/5

Security and Compliance: 4/5

Customer Support: 3.5/5

Ease of Use: 3.8/5

Rytr is a versatile AI for writing for marketers, bloggers, and all-around content creators. This AI writer generates high-quality texts for anything from articles and blog posts to poems to social media updates. You can also choose from a multitude of tones and use cases, making it adaptable to diverse needs. Rytr’s MyVoice feature facilitates personalized writing, while its plagiarism checker ensures writing originality.

With that said, this AI app’s free version is limited to just 10,000 characters per month, which may not suffice for longer projects. If you want an AI writing tool with a free version that supports larger text volumes, I recommend QuillBot.

Visit Rytr

Interface Design

Rytr’s user interface has a wide array of features to accommodate all skill levels, even non-writers. Its dropdown menus for selecting use cases and tones, as well as the option to add a custom voice for personalized output. You can also adjust the creativity level and the number of content variants to produce. Its text editor gives full formatting control so you can fine-tune the output.

The platform’s numerous options can be confusing for first-time users, however, making it less user friendly than it could be.

Why I Picked Rytr

I consider Rytr to be one of the top AI writing tools today because it combines efficiency and adaptability for diverse content creation needs. Its ability to quickly write AI content is complemented by a wide selection of languages, tones, and use cases, easing content creation for different industries.

Pros and Cons

Pros
Cons

Variety of use cases
Free version limited to 10,000 characters

Supports over 35 languages
Doesn’t support file uploads

Plagiarism checker
Occasionally forgets interaction context

Pricing

Free: Includes 10,000 characters per month

Unlimited: $9 per user, per month

Premium: $29 per user, per month

Learn more on Rytr’s pricing page.

Key Features

MyVoice

Plagiarism checker

AI paragraph generator

Email generator

Frase

Best for SEO Writing

Overall Rating: 3.6/5

Cost: 3.9/5

Core Features: 2.6/5

Security and Compliance: 4/5

Customer Support: 3/5

Ease of Use: 5/5

Frase is a user-friendly AI writing tool specifically made for SEO optimization, helping content creators improve online visibility. You can select what you want to write—such as blog posts or cold emails, for example—and specify the topic. Frase’s AI tool then automatically composes SEO-friendly content for you. These outputs are customizable, allowing you to adjust the tone to formal, informal, persuasive, or friendly. This writing tool can also analyze top-ranking pages to identify relevant themes and keywords, so you can craft articles that are strategically designed to rank well in search results.

It’s worth noting that Frase lacks a built-in plagiarism detection feature. If you need a plagiarism checker with your AI writing tool, I’d recommend Writesonic.

Visit Frase

Interface Design

Frase’s interface is uncluttered, with a visually pleasing color scheme that feels easy on the eyes. It presents only a handful of options that serve a clear and relevant purpose. It balances simplicity with customization, letting you adjust tone and format text. Frase’s customization tools are carefully selected for practicality, making the interface efficient.

Why I Picked Frase

I highly recommend Frase as one of the best AI writers because it simplifies writing SEO-focused content while providing a user-friendly interface. Compared to its competitors, it makes content writing and optimization easier so you can focus on creating effective outputs without being overwhelmed by unnecessary complexity.

Pros and Cons

Pros
Cons

User-friendly
Doesn’t support file uploads

Prebuilt templates
Poor summarization feature

SEO tools
No plagiarism detector

Pricing

Free: Includes 10,000 AI words for one user

Solo: $15 per user, per month

Basic: $45 per user, per month

Team: $115 for three users, per month. $25 per month per additional user

Enterprise: Custom pricing

Learn more on Frase’s pricing page.

Key Features

SEO analytics

Content templates

SERP data enrichment

AI paraphrasing tool

5 Key Features of an AI Writing Tool

AI writing tools are equipped with important features that streamline the writing process and elevate the content quality. Each feature contributes to boosting efficiency and meeting various content styles.

NLP Capabilities

Natural language processing (NLP) allows AI writing tools to interpret and generate human-like text by analyzing language patterns, context, and semantics. This enables the creation of coherent, contextually accurate, and engaging content. By simulating human writing, NLP ensures that the output aligns with the specific subject matter and your expectations.

Customizable Tone

With customizable tone settings, you can adjust your content style to match your desired voice, whether it’s professional, friendly, or persuasive. This is particularly important when writing for different audiences or platforms. For example, when you’re drafting an email, being able to tweak the tone ensures your message connects with the right readers.

Prompt Adherence

Prompt adherence means that the AI writer closely follows the instructions. This helps keep the content focused and relevant to your needs and lets you get precise outputs for complex writing tasks without having to spend a lot of time editing.

Text Summarization

Summarizing text helps turn long documents, articles, or reports into shorter texts that highlight the main ideas and points, without omitting key details. This is useful for creating executive summaries or quick content overviews and saves time and effort by automatically pulling out the most important information.

Multilingual Support

The tool’s AI language support makes it possible to produce, translate, or edit content in various languages. This capability is a must if you want to communicate in numerous cultural contexts, promoting inclusivity and making information accessible to a wider audience.

How I Evaluated the AI Writing Tools

To determine the top AI writing tools, I evaluated them based on five categories: core features, costs, security and compliance, customer support, and ease of use. These criteria cover the key factors that must be considered when choosing an AI tool to make sure that it meets your writing needs and priorities.

Core Features | 30 Percent

For this category, I examined the fundamental capabilities of each AI writing tool, including NLP capabilities, summarization, prompt adherence, tone customization, and multilingual support. These details establish how successfully the tool can maintain a specific tone, meet formatting requirements, and process diverse input types. Tools that perform well in these areas give greater flexibility for different types of content.

Criteria Winner: Grammarly

Costs | 25 Percent

I evaluated costs based on the availability of a free version, the duration of the free trial, and the transparency of pricing structure. I factored in features offered in the free version and any restrictions it might have. Clear pricing helps you determine whether the tool has enough value for its cost, while free versions and trials let you test the features before committing to a paid plan.

Criteria Winner: Copy.ai

Security and Compliance | 20 Percent

For security and compliance, I assessed how well the AI writing tools protect data and adhere to regulations like GDPR or CCPA. I also checked encryption standards to find out the tool’s security level. This ensures that you can trust the AI writing tool to handle data safely and responsibly, especially in professional or corporate settings.

Criteria Winners: Grammarly and Writesonic

Customer Support | 15 Percent

This criterion reflects how effectively the AI tool helps you navigate challenges. I considered the availability of multiple support channels, response times, and the quality of self-help resources, like guides and forums. Reliable support accelerates the resolution of technical issues and helps you maximize the tool’s productivity.

Criteria Winner: QuillBot

Ease of Use | 10 Percent

To gauge the intuitiveness of the AI tools, I evaluated their design and accessibility, centering on smooth navigation and setting up, as well as minimal learning curve. A user-friendly interface allows users of all skill levels to use the tool effortlessly. Tools that are simple yet robust encourage higher adoption rates and increase user satisfaction.

Criteria Winners: Grammarly and Frase

Frequently Asked Questions (FAQs)

What is the Best AI Tool for Writing?
Based on my research, Grammarly is the best AI tool for writing. It has solid features, reasonable pricing, reliable support, strong security, and user-friendly features.

Is There a Free AI Writing Tool?
Yes, there are many AI writing tools with free tiers, including Grammarly, QuillBot, Copy.ai, Frase, Rytr, and Writersonic. However, you must be mindful of their limitations, such as reduced functionality and lack of advanced features compared to their paid versions.

What is the Best Free AI Tool?
The best free AI tool depends on your specific needs. For example, ChatGPT is one of the best free AI tools for conversational AI, while Canva is for design. Read our article on the best free AI apps and tools to explore more options for personal and business use cases.

Bottom Line: AI Writing Tools Enhance Content Creation

AI writing tools can significantly enhance your content creation process, delivering valuable support for generating ideas, structuring content, and refining drafts. The best AI tool will complement your writing workflow, boosting productivity to elevate your own style and creativity. With a wide range of options to consider, finding the right fit can be difficult. This guide’s in-depth reviews of each AI writing tool’s features and overall value aim to help you make a well-informed choice that suits your goals.

Find out the major players in AI and GenAI by reading our articles on the top AI companies and top generative AI companies today.
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