7 best AI Writer Tools to maximize productivity in 2025

Are you struggling to publish enough articles to meet your goals without sacrificing quality? What if you could publish 10 times more content without breaking a sweat?

Here’s the good news: I’ve personally tested 7 AI blog-writing tools designed to help you create top-notch content faster than ever before. Whether you’re a blogger, content marketer, or business owner, these tools can help you produce engaging, well-researched articles that keep your audience hooked—all while saving you countless hours.

I’ll be evaluating each AI writing tool based on a few critical factors: content quality, SEO performance, pricing, and user-friendliness. By breaking down the pros and cons of each, I’ll help you find the perfect AI tool for your needs.

Reviewed AI tools:

1. Writesonic – Best overall AI writer
2. Surfer – Best for SEO
3. Reword – Best for content editing
4. Jasper – Best for all-in-one content marketing
5. Koala AI – Best budget AI writer
6. Quillbot – Best for content research
7. Rytr – Best for creative writing

For this test, I used each AI to write an article targeting the keyword “Best affiliate marketing tools.” My goal was to create quality content, such that readers wouldn’t feel the need to visit another website before making a purchasing decision. I expected the AIs to deliver a listicle containing factually correct information and detailed descriptions of each tool. Based on the results, I have graded each AI accordingly.

Quick summary – How do they compare?

AI tool	Output quality	SEO	Time to generate	Cheapest plan	Free trial?
Writesonic	Excellent	Very good	25 min	$16	Yes
Surfer	Very good	Excellent	25 min	$79	Yes
Reword	Good	Good	15 min	$48	Yes
Jasper	Good	Mediocre	15 min	$39	Yes
Koala	Mediocre	Mediocre	5 min	$15	no
Quillbot	Mediocre	Poor	20 min	$8.33	Yes
Rytr	Poor	Poor	2 min	$7.50	Yes

1. Writesonic

The best overall AI Writing tool for Content Writers

Writesonic is an AI writing tool that stands out for its impressive output quality and research capabilities. Using their advanced AI Article Writer 6.0, it creates in-depth content with real-time statistics and factual data. The tool is designed for bloggers and content creators who want to produce well-researched, SEO-friendly articles without spending hours on research.

Key features

Writesonic offers several valuable features that streamline the content creation process:

• AI Article Writer 6.0: Fully capable AI writer with the option to choose from 3 different writing modes: 10-step, 4-step and instant article generation.
• SEO tools: Provides selection of SEO tools to improve your articles. They include: SEO checker, keyword research, topic clusters and content gap analysis.
• Research and Fact-Checking: One of its standout features is the ability to research competitors and automatically include relevant information. The research tool pulls real-time statistics from relevant websites and automatically incorporates it in your article – something unique among AI writers.
• Content Enhancement Tools: Automatic humanizer tool, brand voice customization options, free paraphrasing tool for unique content, automatic image generation, as well as imported images from relevant websites & professional formatting with tables and bullet points
• Chatsonic: AI powered chatbot using Claude 3.5 Sonnet, one of the best AI writing models as of date.

Performance and Output Quality

Writesonic’s performance is notably strong in several areas. The content quality is exceptional, featuring current facts and statistics that are automatically researched. The tool creates consistently well-structured paragraphs that maintain a humanly tone throughout, thanks to its built-in humanizer.

The generated article layout is particularly impressive, with professional formatting including tables and bullet points that make the content visually appealing and ready to publish. The built-in web searcher ensures accuracy by researching actual websites and products.

However, there are some limitations to consider:

• The writing sometimes includes complex language that needs simplification.
• Despite the fact-checker, it’s still recommended to manually verify key information to be certain.

Despite its limitations, this tool has proven to produce the most publish-ready content out of all of the tested AIs and only requires small changes before it is ready for your blog.

Ease of Use

The platform guides users through a clear 10-step process for creating content. What sets it apart is its ability to understand and follow instructions correctly the first time – you will not need to constantly rephrase your prompts like with other AI tools. The entire process of generating an article takes about 25 minutes, making it efficient for regular content production.

Pros and Cons

Pricing and plans

Writesonic uses a credit-based system where each article costs 20 credits to create. Here’s the pricing structure:

• Free plan: 25 credits to start
• Individual Plan: $16/month (annual billing) – 100 credits monthly
• Standard Plan: $79/month (annual billing) – 1000 credits monthly

View plans in more detail here.

Final thoughts

Writesonic proves to be the best tool for content creators who prioritize quality. Its strength lies in producing well-researched, SEO-optimized and human-like content with minimal input required. It’s particularly suitable for those who want to spend minimal time on writing and maximize content production without compromising the articles. While the pricing might be higher than some alternatives, the provided value and the time saved on research makes it one of the best choices for serious content creators.

2. Surfer

Best for creating SEO-optimized content

Surfer is a powerhouse in the field of AI-driven content creation, particularly excelling in SEO optimization. The platform includes a comprehensive suite of tools, including SERP analyzer, AI Humanizer, content optimizer, and content audit capabilities. Surfer generates complete articles from outlines based on competitor analysis, making it an invaluable tool for content creators focused on ranking well in Google.

Key Features

• Advanced SEO Optimization: Optimizes content using competitor analysis and secondary keywords
• AI Humanizer: Transforms AI-generated content into your custom brand voice
• SERP Analyzer: Provides detailed search engine results page analysis (available as a $29 monthly add-on)
• Content Audit Tool: Helps evaluate and improve existing content
• Rank Tracker: Monitors content performance in search results
• Automated Image Generation: Creates and places relevant images throughout articles automatically
• Ask Surfy AI Editing Tool: Fills in missing information through prompts
• Formatting Capabilities: Generates well-structured articles with bullet points and engaging subheadings

Performance and Output Quality

Surfer excels at producing in-depth, well-organized content that provides more than just basic insights. The articles are created with effective keyword placement throughout the whole text. Similar to Writesonic, the platform generates well-formatted content, automatically adding bullet points and images for improved readability and visual appeal. When details are missing (e.g. product pricing information), the intuitive Ask Surfy AI tool makes adding information a walk in the park.

However, the tool isn’t without its downsides. The auto-optimize feature, while powerful, can over-optimize your article, resulting in excessive keyword usage that might affect readability. Another consideration is the sometimes overly informational tone that can make content feel less personal. Luckily, the AI Humanizer feature helps mitigate this and gets that human element into the writing. While the quality of the generated content is high, it will need some extra effort to refine before publishing.

Ease of Use

The platform offers a user-friendly interface that’s easy to navigate. However, users should be aware that occasional technical errors during generation might require them to start over the entire process. Despite these hiccups, the platform provides a streamlined and straightforward experience. Generating an article from scratch will usually take about 25 minutes.

Pros and Cons

Pricing and Plans

Proving to be one of the best content writing AIs on the market right now, Surfer is also the most expensive. Their plans include:

• 7-day free trial available
• Essential Plan $79/month (billed annually): 5 AI article generations monthly, 30 article optimizations monthly.
• Scale Plan $175/month (billed annually): 20 AI article generations monthly, 100 article optimizations monthly.
• Add-ons: SERP (search engine result page) analyzer: Additional $29/month.

View plans in more detail here.

Final thoughts

Surfer emerges as a robust choice for content creators who prioritize SEO optimization and efficiency. While it has some limitations with occasional technical issues and AI detection inaccuracy, its comprehensive feature set and almost-ready-to-publish output make it a valuable tool. It’s particularly well-suited for businesses and content creators who need SEO-optimized content and want to spend minimal time editing. The platform offers great value despite its premium pricing, especially for users who will take full advantage of its extensive SEO tools.

3. Reword

Best for content editing based on research

Reword shines as a dominant AI writing tool thanks to its robust content editing capabilities and research-driven approach. The platform’s standout feature is its comprehensive research tool, which identifies missing information and provides internet sources to ensure your content covers all necessary topics and aligns with search intent. While Reword’s content creation process requires a more hands-on approach compared to some competitors, this is offset by the high quality of the final output.

Key Features

• Built-in SEO optimization that ranks content optimization and matched search intent
• Customizable “cowriters” that can learn your brand voice through sample texts
• Built-in research tool that identifies missing content with internet sources
• AI-powered content editing tool
• Content reformatting options (tables, bullet points)
• Generating topic clusters & content ideas

Performance and Output Quality

The content quality from Reword is notably high, particularly in terms of detail and relevance. It excels at editing pieces of content with help of the research tool, which provides key insights with web sources. While the default tone might initially sound somewhat robotic, it’s easily adjusted to sound more natural using the cowriter feature. With the help of the AI editing tool, rewriting and reformatting content proves to be quick and easy.

However, there are some limitations to consider. The AI does not generate complete articles, rather it generates singular paragraphs based on prompts. Keeping that in mind, the AI doesn’t seem to take all of the previously written text into consideration when generating a new paragraph, which affects content flow. Also take note that the article will not be publish ready from the get go and you’ll have to spend extra time perfecting it.

Ease of Use

Reword features a user-friendly, simplistic interface that’s easy to navigate. However, the content creation process requires more effort than some alternatives since you need to generate the article piece by piece. As a result, achieving natural paragraph transitions could be challenging. Despite these hiccups, generating an article is fairly quick and takes about 15 minutes.

Pros and Cons

Pricing and Plans

• 7-day free trial available
• Grow Plan: $48/month (billed annually): Includes 20 article drafts per month. Suitable for most individual users and small businesses.
• Pro Plan: $299/month (billed annually): Unlimited access to all features. Designed for larger companies and high-volume users.

View plans in more detail here.

Final thoughts

Reword is an excellent choice for content editors who want to improve their writing and match search intent better. Do keep in mind that using this platform for complete article generation requires more manual input than some competitors, but the high-quality output and helpful AI tools make it a valuable asset for content creation. It’s particularly well-suited for bloggers and marketers who don’t mind spending extra time fine-tuning their content and prefer having more control over their articles.

4. Jasper

Best for all-in-one content marketing

Jasper stands out as a comprehensive content creation platform that goes well beyond basic article writing. With its extensive suite of marketing tools, it’s designed for businesses and marketers who need a versatile content solution. While it may not perfect every task, it offers an impressive range of features that make it a notable player in the AI writing space.

Key Features

• Article writing Tools
  • Brand voice customization
  • Well-structured outline creation
  • Able to create detailed product descriptions
• Content marketing applications (not even all of them)
  • Product marketing tools
  • Social media marketing features
  • Content marketing capabilities
  • Brand marketing solutions
  • Video outline creation
  • Instagram post generation
  • Content rewriting tools
  • Grammar checking
  • Landing page creation
  • Headline generation

Performance and Output Quality

The generated content structure is solid, with well-organized outlines that intelligently categorize topics (like grouping affiliate marketing tools by function rather than just listing them). The tool maintains consistency and relevancy throughout the article, whilst being informative.

Some notable limitations are: It doesn’t always follow specific prompt instructions (like keyword placement), and doesn’t incorporate real-time data or statistics that well unlike Writesonic and Surfer. Additionally, Jasper lacks dedicated SEO optimization features, which are definitely needed by most of us. Because of these limitations the initial draft won’t be ready for publishing and will take time to fine-tune.

Ease of Use

Jasper offers a clean, intuitive user interface that makes navigation straightforward despite its extensive feature set. Content generation is quick, typically taking around 15 minutes for an article. The platform’s content editor offers handy features like AI-powered writing enhancements, tone adjustments, and options to shorten or lengthen text.

Pros and Cons

Pricing and Plans

Jasper has recently stopped using a credit system, but they do offer paid add-ons, like a plagiarism checker.

View plans in more detail here.

Final thoughts

Jasper stands out as a robust all-in-one content marketing solution rather than just an article writer. Its strength lies in its versatility rather than in its individual apps. While it has some limitations, its extensive feature set make it a valuable investment for serious content marketers who need a variety of tools at their disposal.

5. Koala AI

Best for content creation on a budget

Koala is an AI writing tool that offers humanlike content creation through multiple leading AI models, including GPT-4o and Claude 3.5 Sonnet. The platform provides basic SEO optimization and takes a simpler approach compared to more comprehensive tools like Surfer or Writesonic. The platform focuses on rapid content generation and straightforward usability, making it particularly appealing to budget-conscious content creators who don’t mind doing some manual formatting work.

Key Features

• Multiple AI Model Options: Choice between GPT-4o mini, GPT-4o, and Claude 3.5 Sonnet. Premium model offers different capabilities and word consumption rates
• Content Generation Capabilities: Complete outline generation. Multiple tone options. Built-in image generator (basic functionality for cheaper plans). Quick 5-minute article generation.
• Content Structure Features: Generates interesting subheadings. Able to create product descriptions with key features

Performance and Output Quality

Content generated by Koala maintains consistency in tone and stays relevant to the topic. While the AI effectively describes products and features, it sometimes produces ambiguous content that lack detail. For instance, when discussing pricing, it might mention something like “pricey compared to alternatives” without providing the actual price or any alternatives.

The generated introductions don’t automatically include target keywords, which is crucial for keeping the reader engaged. Unlike previously mentioned tools, there’s no competitor analysis option, and the output comes as basic text blocks without formatting, requiring significant manual work to become publish-ready.

Ease of Use

The platform has a straightforward interface, without too many buttons to look at. Selecting between different AI models is simple, and content generation is quick, typically taking just 5 minutes per article. Unfortunately, Koala does not have a dedicated content editor, which makes altering the text more difficult.

Pros and Cons

Pricing and Plans

Koala does not offer a free plan, but their pricing is relatively affordable in comparison to more premium competitors like Reword and Surfer.

Note that using premium models like GPT-4o and Claude 3.5 Sonnet consumes twice the word count.

• Starter Plan – $15/month (billed annually)
• Professional Plan – $49/month (billed annually)
  • 100,000 words per month
  • Same features as basic plan
• Premium plans up to $280 for larger businesses.

View plans in more detail here.

Final thoughts

Koala strikes a balance between affordability and functionality, making it ideal for content creators who prioritize quick draft generation and don’t mind putting in some manual work. While it may not offer the advanced features of premium competitors, its multi-model approach and budget-friendly pricing make it an attractive option for beginners or those needing a simple content generation tool. Just be prepared to spend time formatting and enhancing the content before publication.

6. QuillBot

Best for content research and paraphrasing

QuillBot stands out as a versatile AI tool that excels in research-backed content creation and paraphrasing. While it may not be the go-to choice for SEO-focused or affiliate marketing content, it offers a solid combination of AI writing, research capabilities, and content quality analysis.

Key Features

• AI Research Tool: Scans the internet for published articles and provides sourced answers to topic-related questions, ensuring factual accuracy
• Content Quality Analysis: Built-in AI review feature that evaluates content quality and identifies areas for improvement
• Paraphrasing Tool: Offers multiple tone options including formal and academic styles
• Outline Generation: Creates well-structured outlines that effectively categorize topics
• AI Writing Assistant: Generates content based on prompts, particularly effective for introductions and short descriptions
• Content Review System: Helps identify gaps in your writing and suggests improvements

Performance and Output Quality

QuillBot delivers relevant and on-topic content, with its research tool being one of its strongest assets. It provides relevant pieces of text from all over the web with source, saving you research time. The AI-generated content maintains good consistency but may not always achieve the most natural, human-like tone. However, this can be improved using the paraphrasing tool’s various tone options.

The outline generation provides good organization, particularly when dealing with topics that require categorization. The created subheadings are basic and concise and may need improvement. The tool performs best when using a combination of its AI prompt tool for introductions and short descriptions, along with the research tool for main content sections. Because of a lack of SEO customization and competitor analysis, the article will require some significant work before it’s ready to go live.

Ease of Use

QuillBot features a clean, user-friendly interface that makes navigation straightforward. While the tools are generally easy to use, the restriction to short prompts for the AI tool can be limiting. Similar to Reword, this AI does not create complete articles in one go, but generates paragraphs based on prompts. As a result, it’ll require a bit more work to write a complete piece of content and may take up to 20 minutes before you have something to work with.

Pros and Cons

Pricing and Plans

• Free Forever Plan:
  • Includes 50 AI prompts per day
  • Restricted functionality of their tools
• Paid Plan $8.33 per month (billed annually):
  • 14-day money-back guarantee
  • Unrestricted functionality

View plans in more detail here.

Final thoughts

QuillBot is a good choice for content creators who prioritize factual accuracy and need strong research capabilities in their writing process. It’s particularly well-suited for informational blog posts and academic content, rather than SEO-focused affiliate articles. While it has some limitations, such as the inability to generate complete articles in one go, its comprehensive set of tools and affordable pricing makes it a valuable option for writers who need to create well-researched, accurate content efficiently.

7. Rytr

Best for creative writing

Rytr is an AI writing tool that emphasizes natural, human-like content creation with a focus on creative writing. Its true strength lies in crafting subjective and fictional pieces, making it ideal for storytelling and creative projects. The platform stands out for its natural tone and quick generation time, though it comes with some significant limitations for factual content.

Key Features

• Content Generation
  • Brand voice customization
  • Outline generation
  • Keyword-based paragraph generation
  • Built-in plagiarism checker
• Writing Style
  • Natural, human-like tone
  • Engaging subheading creation
  • Creative writing focus
  • Quick 2-minute article generation

Performance and Output Quality

The tool’s performance presents a mixed bag of strengths and limitations. While it excels at creating human-like content with engaging subheadings, it often produces ambiguous or unreliable information. A major concern is its tendency to generate fictional content – for example, creating fake user testimonials without sources.

The content maintains consistency in tone but often lacks logical flow between sections. For instance, the AI might come up with an interesting subheading, but then proceeds to write about something else unrelated to that subheading. This disconnect makes the content hard to use without significant revision, especially for factual topics or business-related content.

Ease of Use

The platform offers a straightforward, user-friendly interface that makes content generation simple and quick. With a generation time of just 2 minutes per article, it’s the fastest options available. The keyword-based writing system is straightforward to use. You enter a few keywords, and the AI generates a full paragraph from them.

Pros and Cons

Pricing and Plans

• Free Forever Plan
  • 10,000 characters per month (approximately 1,400 words)
• Starter Plan – $7.50/month (billed annually)
  • Unrestricted word count
  • 50 plagiarism checks
• Premium Plan – $24.16/month (billed annually)
  • Everything in Starter plan
  • 100 plagiarism checks

View plans in more detail here.

Final thoughts

Rytr is best suited for creative writers and content creators working on subjective topics where factual accuracy is less critical. It excels at creating outlines and generating natural-sounding content quickly, making it useful for brainstorming and initial content structuring. However, for business topics, product reviews, or any content requiring factual accuracy, users should look elsewhere or be prepared to do substantial research and rewriting.

Which AI tool is best for you?

It’s tough to narrow down the single best AI writing tool because each serves a unique purpose, but here is why you should choose one over the other:

• Writesonic for its impressive content quality.
• Surfer for its superior SEO optimization capabilities.
• Reword as a cheaper alternative to Surfer AI.
• Jasper for its all-in-one content marketing suite.
• Koala for its affordability.
• Rytr for its creative writing abilities.
• Quillbot as a complementary research tool.

While AI writing tools are becoming increasingly sophisticated, they’re still just instruments in a writer’s toolkit – like a painter’s brush or a sculptor’s chisel. The real magic happens when human creativity meets AI efficiency. The future isn’t about AI replacing writers; it’s about writers who use AI outperforming those who don’t.