Best AI Writing Tools in 2025

Overview

Frase is a platform designed to optimize content creation. Some of its features include keyword research, content generation, and SEO tools, making it easier for SEO professionals to streamline the process of creating professional, high-ranking content.

Key Features

Some of the key features of Frase include:

• AI-Content Generator: Write content that’s optimized for search engines and users.
• Content Research Tool: Structure your content based on other high-ranking pages.
• Page Analysis: Get deep insight into high-ranking SEO pages, including word count, keywords, and more.
• Targeted Keywords: Utilize Frase's SEO tools to understand and optimize your keyword strategies. Analyze user intent and competitive landscapes to identify opportunities for improvement and outperform your competition.
• Search Engine Results Pages: Optimize your content for better visibility on search engine results pages (SERPs). Leverage AI-driven strategies to enhance users' online experiences and achieve a strong online presence.

Pricing & Plans

Frase has several plans available. You can take out the free plan, which has limited features or you can pay to get the premium plan. The free trial gives you access to one user account and a single SEO document. You can write up to 2,500 words, with no page tracking. As for Frase pricing, the basic plan is $45 a month, with 30 documents, a single user, and unlimited AI content generation capabilities, You can also track one site or page. The team subscription is $115 a month, for 3 users. You can add extra users for $25 a month with unlimited AI content generation and unlimited sites. The free version is best for beginners.

Pros & Cons

The pros and cons of Frase are as follows:

Pros:

• Easy to use
• Powerful AI features
• Affordable

Cons:

• Learning curve
• Expensive premium plans

Best For

Frase is ideal for marketers, content writers, and SEO professionals who want a comprehensive platform, with AI capabilities. It’s great if you want something to assist with content creation, with the option to research and optimize existing content. As stated earlier in our Frase review, the entry point is free making it one of the best AI content tools on the market for those who want to experiment with several programs. It’s also a good tool for growing businesses that want to start outsourcing their content creation, with the brief-generation structure proving to be a valuable way to speed up the process of onboarding new writers.

Verdict

Frase is a quality tool with a lot of potential. Even though it has a lot of competition, the free plan helps to keep it relevant within the marketing sector. When you break down Frase vs Surfer SEO, Frase is more for digital marketers who want a tool for content research and generation, with the option to generate briefs, it’s a go-to choice for efficiency and effectiveness.

Surfer on the other hand contains SERP insights and in-depth SEO audits, making it the perfect choice for those who want to improve traffic while optimizing organic traffic. When used together they can provide you with a strong and consistent way to track and manage your content. With top tools also including Writesonic, content creators now have the option to create quality content faster than ever, optimizing content in real-time while producing well-crafted text with minimal effort.

Overview

QuillBot is a powerful AI writing assistant and sentence rewriter that helps users improve clarity, style, and tone in just a few clicks. Whether you're looking to paraphrase a sentence, check grammar, or simplify complex writing, QuillBot makes it easy with its suite of intelligent tools.

What makes it stand out? Its QuillBot AI checker and humanizer features are especially popular for creating natural-sounding content that bypasses detection while improving overall quality.

Key Features

• Sentence Rewriter & Reworder – Perfect for when you need to “rewrite my sentence” with better flow or clarity.
• AI Generator Text Tools – Quickly produce summaries, citations, and outlines using built-in AI generators.
• QuillBot Humanizer & Detector – Use the Quill Bot humanizer to make AI-generated content more human, or test content with the Quilbot AI detector.

Pricing & Plans

QuillBot offers both free and paid plans. The Free Plan is generous, allowing basic paraphrasing and grammar checks. The Premium Plan unlocks features like tone detection, faster processing, and advanced rewriting options—ideal for students, writers, and professionals.

Pros & Cons

Pros:

• Easy to use
• Powerful rewriting and detection features
• Great value for most users

Cons:

• Slight learning curve for deeper tools
• The premium plan may feel pricey for casual users.

Best For

QuillBot is perfect for students, content creators, and ESL learners needing help with grammar, tone, or translation—from English to Vietnamese or Tagalog to English. If you've searched for Qbolt, Quilb, or Qualibot, QuillBot is what you were looking for.

Verdict

QuillBot is a must-have tool for anyone looking to sharpen their writing, paraphrase smarter, or create polished content quickly.

Try QuillBot Now

Overview

Castmagic is an AI-powered content repurposing tool that turns your podcast episodes into ready-to-share assets like social clips, transcripts, show notes, and social posts. Upload your audio—or connect your RSS feed—and Castmagic does the rest.

What makes it stand out? It’s a true automatic clip generator from a podcast feed, making it incredibly easy to repurpose long-form audio into viral content for platforms like Instagram, Twitter, and YouTube.

Key Features

• Instagram Transcript & Quote Cards – Instantly generate polished transcripts and visual assets for your feed.
• Twitter Video Tools – Create bite-sized video clips with quotes and captions optimized for Twitter.
• AI-Powered Content Outputs – Generate show notes, email newsletters, blog drafts, and Instagram bio ideas using AI.

Pricing & Plans

Castmagic is a paid tool with multiple pricing tiers. The Starter plan is ideal for individual creators or podcast teams just starting. Higher-tier plans are designed for agencies and professional studios with greater content volume.

Pros & Cons

Pros:

• Easy to use
• Powerful AI features for content repurposing.
• Great for podcasters and creators

Cons:

• Some learning curve for new users
• Premium plans may feel expensive for casual users.

Best For

Castmagic is perfect for podcasters, marketers, and content creators who want to scale without hiring a whole content team. If you’re looking for the best podcast app to host and repurpose, this is your edge. It’s also ideal for those searching for tools like a podcast equipment bundle or exploring how to use ChatGPT to streamline workflows.

Verdict

Castmagic is the most innovative way to automate your podcast content strategy if you're serious about getting more mileage from your episodes.

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Overview

Smartli is an all-in-one AI content creation and design platform built to help creators, marketers, and entrepreneurs produce high-quality visuals and copy fast. It offers tools for image enhancement, content generation, and AI-powered design, making it a strong Canva AI alternative and a solid choice for those looking for Shutterstock competitors.

What makes it stand out? Smartli combines text, image, and design generation in a single interface, making it one of the most versatile Sudowrite alternatives and best Writesonic alternatives on the market.

Key Features

AI Writing Assistant – Generate effortlessly marketing copy, blogs, and product descriptions.

Blurry Image Fix & Enhancer – Restore and sharpen low-quality visuals with AI-powered upscaling.

Design Generator – Create social graphics and marketing visuals, making it a genuine Canva AI alternative.

Pricing & Plans

Smartli offers both free and paid plans. The Free Plan provides access to basic tools with limited credits. It’s a great starting point for beginners. Upgrading unlocks more usage, advanced features, and higher-quality AI outputs.

Pros & Cons

Pros:

• Easy to use for both writing and design
• Powerful AI features across text and image.
• Great alternative to big-name platforms

Cons:

• Some learning curve with multi-tool workflow
• Premium plans may be costly for casual users.

Best For

Smartli is best for solopreneurs, marketers, and small teams looking for a single platform to handle writing, design, and image enhancement. If you're searching for Sudowrite alternatives, Shutterstock competitors, or tools to fix blurry images, Smartli is a top pick.

Verdict

Smartli is an affordable platform for anyone looking to streamline content creation across text and visuals with AI.

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Overview

Alliai is one of the most powerful AI SEO tools on the market. It was built to scale agile solutions for agencies, marketers, and content teams. Whether you're improving alt description SEO, fixing indexability issues, or building edu backlinks, Alliai streamlines every step with automation and precision.Unlike other SEO software for agencies, Alliai integrates directly with WordPress and Chrome, allowing you to optimize live content, audit pages, and deploy changes in real time—all without code.

It stands out because it combines authoritativeness, automation, and AI to help agencies dominate SERPs faster than traditional tools.

Key Features

• AI SEO Tools That Scale – Automate content optimization, keyword targeting, and link building at scale.
• SEO Automation & Audits – Run full-page audits, detect hidden issues, and boost indexability effortlessly.
• Live Optimization – Edit pages directly in WordPress or a browser with real-time SEO scoring and suggestions.

Pricing & Plans

Alliai offers both free and premium plans. The Starter Plan is perfect for beginners or small agencies, offering access to essential tools for on-page SEO and automation. Larger teams can scale into more robust tiers designed for SEO software for agencies.

Pros & Cons

Pros:

• Easy-to-use interface
• Full suite of AI SEO tools
• Excellent value for agencies

Cons:

• Some learning curve for new users
• Higher-tier plans may not suit solo creators.

Best For

Alliai is ideal for SEO professionals, content teams, and especially agencies looking for AI SEO tools that scale. If you compare Apex Traffic vs ClickSEO, Alliai is smarter for those who want real automation, authority-building, and on-page control.

Verdict

If you're ready to transform your SEO strategy from checklists to full automation, Alliai is the tool for you. It's perfect for agencies that need scalable, agile SEO solutions.

Try Alliai Now

Overview

Writesonic is an AI-powered content automation platform that helps users generate a wide variety of different content types. From blog posts and social media updates to product descriptions and more, Writesonic can transform your brief inputs into fully-fledged creative content that is ready to go on your website.

Key Features

Feature 1: AI Article Writer

Writesonic features an AI article writer that supports up to 5,000 words and generates high-quality articles based on your short prompts. It’ll even perform in-depth research and explain its process to help you better understand where it’s pulling information from. Additionally, Writesonic utilizes AI-powered tools to enhance SEO strategies and workflows, improving efficiency, allowing for better keyword research, and adapting to changing algorithms and user behaviors.

Feature 2: Powerful Content Templates

Writesonic offers well over 65 pre-designed content templates from blog posts to Quora answers to help simplify different writing tasks for every kind of business. The platform also excels in keyword analysis, helping users track keyword performance and providing suggestions for better rankings, which is crucial for optimizing content and enhancing website visibility.

Feature 3: Chatsonic AI Chatbot

Chatsonic is a built-in advanced AI chatbot that pulls real-time data from platforms like Google and even integrates with SEO tools such as Ahrefs and Hubspot. This makes it a powerful research assistant that can outsmart your competition and give you the best ideas to work with for your content.

Pricing & Plans

Writesonic offers both free and paid plans.

• Free Plan offers a one-time allocation of 25 credits which allows you to explore its features to see if it’s suitable for your needs.
• Individual Plan is $20 per month (billed annually) and includes 100 credits per month. It’s great for solo content creators and small websites and even gives access to image generation.
• Standard Plan is $79 per month (billed annually) and is the most popular option, offering 1000 credits per month and providing access to the full suite of features such as API access, bulk article generation, and even unlimited brand voices.
• Enterprise planning is specific to each customer but offers enhanced features like customization and workflows, security and governance, and SSO & security systems.

Pros & Cons

Pros

• User-friendly interface that’s designed for ease of use and lets users quickly and easily generate content without learning lots of controls and buttons.
• Versatile content creation that supports many different content types, making it a one-stop solution for most marketing needs.
• Cost-effective plans with competitive pricing and generous features.

Cons

• Advanced features have a learning curve, so it can take time to master all of the tools on offer.
• Many of the premium power features are locked behind credits, meaning it’s important to plan out your usage.

Best For

Writesonic is ideal for bloggers and content marketers in solo, small, or medium-sized businesses. It’s particularly useful for anyone that needs to automate repetitive writing tasks, or if they’re looking to level up their content with real-time research and analytics to help their websites stand out.

Verdict

Writesonic is a fantastic tool that takes AI content generation to the next level by incorporating tools that automate the research and optimization stages of writing. It blends many advanced AI capabilities with a user-friendly design, and the flexible pricing makes it an excellent choice for businesses of all sizes.

Give the free plan a try today and start generating some content to see what Writesonic is capable of!

Overview

Surfer SEO is a writing assistant tool that suggests relevant keywords to insert into headings and body text for content pieces. The tool stands out because of its ability to take key phrases from high-performing competitor articles and distill them into a list that content creators can insert into blogs, web copy, and even scripts.

Key Features

Feature 1: Auto-Insert Keywords

Surfer SEO has a magic tool that lets you auto-insert suggested keywords into the text. This feature is a massive time-saver and reduces the need to painstakingly insert phrases into body copy in a way that makes sense.

Feature 2: Performance Scoring

Surfer SEO also provides performance scoring for every content piece produced in its editor. Generally, higher scores correlate with greater inclusion of relevant keywords, additional titles, more images, and content of a competitive length. Scores run from 0 (the lowest) to 100 (the highest), with most existing top content scoring between 60 and 80.

Feature 3: Auto-Generate Headings

Finally, Surfer SEO lets you auto-generate headings for maximum SEO performance. The software will generate various titles (based on its keyword list and competitor research), leaving you to fill in the blanks.

This approach doesn’t always work from a logical progression perspective. However, it can be effective for quick-fire content where creators expect users to dip in and out to answer specific questions.

Feature 4: SERP Analysis

Surfer SEO uses SERP analysis to refine content strategies and enhance keyword usage. By evaluating search engine results pages, it helps identify high-performing content and crucial optimization strategies, ensuring comprehensive topic coverage.

Feature 5: Keyword Difficulty

Surfer SEO helps users understand keyword difficulty, a metric that assesses the level of competition for specific keywords. This is crucial for evaluating a website's chances of ranking in search results and is used in conjunction with other data, such as search volume and domain authority, to optimize keyword research and strategy.

Pricing & Plans

Is it free or paid?

Surfer SEO is not free. Plans start from around $99 per month, making it an option for agencies and businesses serious about effective content creation.

Best plan for beginners?

The best plan for beginners is the “Essential Plan” which is $99 while billed monthly or $79 per month when billed annually. Custom plans are available at the enterprise level.

Pros & Cons

Pros:

• Easy to use–beginner writers and content creators can get started almost immediately
• Powerful AI features–intelligent AI knows where to insert keywords in context and generate effective SEO-friendly article headings
• Affordable–relatively low-cost for a writing tool

Cons:

• Learning curve–it can take a couple of hours to get your head around all the features
• Expensive premium plans–companies wanting to scale beyond a few articles every month can pay $219 or more, depending on their requirements

Best For

Who should use this tool?

Surfer SEO is ideal for individual content creators looking to provide clients with the pinnacle of SEO-optimized content. However, it is also useful for SEO specialists and marketers embedded in companies. Many experts use Surfer SEO as a framework for freelance writers, allowing them to serve their clients better at a lower cost.

Verdict

Overall, Surfer SEO is worth the money if you are processing a high volume of SEO-focused content through your business or agency. It helps you drill into the keywords to add automatically, without having to go through extensive, trial-and-error research.

Try Surfer SEO today.