I tested 7 tools to find the best SEO writing AI free platform in 2026

Creating content that ranks on Google takes hours of research, outlining, writing, and tweaking. AI promised to make it all faster, but now there are so many tools, it's hard to know which ones are effective. More importantly, which ones can you try without a credit card?

I decided to test some of the most popular options myself. This guide breaks down the 7 best free SEO writing AI platforms for 2026. We'll get into what they're good at, where they fall short, and what their "free" plans actually provide, so you can find the right one to get your content engine running.

What is an SEO writing AI free tool?

An SEO writing AI free tool is a specialized assistant for creating content that is optimized for search engines. Unlike a general tool like ChatGPT, these platforms are built for bloggers and marketers. They do more than generate text; they pack in features that are key for ranking.

These features include analyzing what your competitors are doing, finding good keywords, and setting up your article with the right headings. Many newer tools also help you get cited in AI-generated answers from services like Perplexity. The "free" part usually means you get a trial, a few free articles, or a monthly word count to use before considering a paid plan.

Our criteria for choosing the best platforms

To keep things fair, I judged every tool on the same handful of things that matter most to anyone creating content. I wasn't just looking at the final article, but the whole experience from start to finish.

• How generous is the free plan? I looked for tools that give you real value. That means a decent number of articles or words, and access to key features without needing a credit card.

• Is the content actually good? The AI-generated text needed to be coherent, well-researched, and easy to read. I wanted something that sounded human, not unnatural or stuffed with keywords.

• What about SEO features? I checked for the important stuff. Does it help with outlines, SERP analysis, keyword ideas, and give you an optimization score as you go?

• Was it easy to use? A good tool should be intuitive. I preferred clean, simple interfaces that let you get from a keyword to a finished article without a headache.

• Did it have any unique features? I gave extra points for unique features, like automatically creating images and tables, pulling in Reddit quotes for social proof, or learning your brand's voice.

Quick comparison of the top tools

For those who just want the highlights, this table breaks down the key differences between the platforms on my list.

The 7 best SEO writing AI free platforms for 2026

After putting them all through their paces, here’s my detailed breakdown of the top free SEO writing AI tools you can use right now.

1. eesel AI blog writer

The eesel AI blog writer is built to take a single keyword and turn it into a complete, ready-to-publish blog post in just a few minutes. Its standout feature is how it learns your brand's context. You just give it your website URL, and it figures out how to weave in natural product mentions and keep a consistent voice.

A key strength is in building a complete article with AI-generated images, tables, relevant YouTube videos, and even real quotes from Reddit. This can save a significant amount of time. The final article often has a natural, human-like tone. The free trial is a great way to test its full capabilities by generating your first few articles. After that, paid plans are credit-based, starting at $99 for 50 blog generations.

My Take: This is a suitable choice if your goal is to generate complete, media-rich articles that need very little editing before they go live. The brand context feature is a huge plus for businesses trying to scale their content marketing without losing their voice.

2. SEOWriting.ai

SEOWriting.ai is focused on speed and scale. It lets you generate SEO-optimized articles, reviews, and how-to guides in 48 languages. Its biggest selling points are its ability to create content in bulk (up to 100 articles at once) and automatically post them to your WordPress site. This makes it a popular choice for affiliate marketers and agencies.

The main draw here is efficiency and the tight WordPress integration. It also has a tool for creating Amazon product roundups just by plugging in the product URLs. The content is structured well for SEO and may require some manual editing to align with a specific brand voice. You can start for free with 3 articles (up to 25,000 words total). Paid plans start at $14/month when billed annually.

My Take: SEOWriting.ai is a great fit for anyone who needs to produce a lot of content quickly and values automation features like bulk generation and direct-to-WordPress publishing.

3. Ryrob's AI article writer

Ryan Robinson's free AI article writer is a simple, no-fuss tool that's suitable for getting over a bout of writer's block. You can use it right on his website without signing up. Just type in a keyword, and it generates a short-form article of about 1,000 words in seconds.

A key advantage is how accessible it is; you get a solid draft instantly with zero commitment. The free version has a daily use limit and produces shorter articles. For more advanced features like editing the outline or generating longer content, you'll need the premium version, RightBlogger, which starts at $29.99/month.

My Take: This is a useful starting point for bloggers who need a quick dose of inspiration or a basic draft to build on. It's less of a complete solution and more of a handy, on-demand writing assistant.

4. SEO review tools' AI writing tool

SEO Review Tools is a collection of over 76 free SEO utilities, and its AI writing tool is a part of the package. It's built to generate specific pieces of content instead of a whole article at once. You can use it to create a blog section, a how-to guide, an outline, a meta description, or a list of FAQs.

The tool's strength is its modular design. You can assemble an article piece by piece, which gives you more control over each part. It's also useful for creating supporting content like FAQs or expert quotes. The flip side is that it's not made for generating a full article in one go, so it can be more time-consuming than other dedicated writers.

My Take: This is best for writers who want to generate specific sections of an article or improve existing content with SEO elements like outlines and FAQs, not for creating a full post from scratch.

5. Copy.ai

Copy.ai is a versatile AI platform with a large library of over 90 tools and templates, including a blog post wizard. It bills itself as a "GTM AI Platform," meaning it's designed to help with everything from social media posts and ad copy to sales emails and long-form blogs.

The main appeal of Copy.ai is its versatility. If you need one tool to handle a bunch of different marketing and sales tasks, its free plan is a decent place to start. However, its SEO-specific features aren't as in-depth as more specialized tools, and the blog posts it creates usually need a good bit of editing to be ready for search engines. The free plan gives you 2,000 words per month in its Chat feature, plus 200 one-time credits for workflows.

My Take: A good choice for marketers who need a flexible AI writer for a variety of tasks, but probably not the best pick if your only focus is scaling SEO content.

6. Frase

Frase specializes in the research and optimization aspects of content creation. It scans the top-ranking search results for your keyword and builds a detailed content brief, telling you which topics and questions you need to cover. A notable feature is its dual focus on SEO for Google and GEO (Generative Engine Optimization) for AI platforms like ChatGPT and Perplexity.

Frase's biggest advantage is its data-first approach. It helps you create content that's designed to beat the competition by being more thorough. The real-time content score is also a helpful feature for guiding your writing. Its strength is more in optimization than in pure writing. You can try Frase for free with a trial that gives you 2 content projects and 1 "Rank-Ready" document without a credit card.

There’s no single best tool. AI works best when each tool has a job. ChatGPT or Claude for outlines and drafts. Surfer or Clearscope for on-page coverage. Frase for FAQs and question targeting. The real lift comes from editing hard and tightening answers.

Reddit

My Take: Frase is ideal for SEO pros and content strategists who want to build highly competitive content based on deep SERP analysis and optimize for both regular and AI search.

7. Arvow

Arvow's free AI SEO writer is made to produce rich, engaging articles that are ready for readers. It does more than just write text; it automatically adds elements like images, videos, and both internal and external links to the content. It also has an "Autoblog" feature that can generate and publish content automatically based on RSS feeds, keywords, or YouTube videos.

Arvow's key strength is its ability to create a well-rounded article with multimedia included, which saves a lot of time. You can generate three free articles to see what it can do. On the other hand, the interface and customization options are a bit simpler compared to some of the more advanced platforms on this list.

My Take: A solid option for bloggers and businesses who want a simple way to generate complete articles with mixed media, with a focus on readability and keeping users engaged.

While this list covers the top platforms, seeing them in action can provide a different perspective. Here's a helpful video that walks through several free AI tools for SEO, giving you a feel for their interfaces and workflows.

This helpful video walks through several free AI tools for SEO, giving you a feel for their interfaces and workflows.

Key features to look for in a free tool

When you're trying out these free tools, it's helpful to focus on a few key aspects that directly impact ranking potential. To help clarify, here's a visual breakdown of the essential features to look for:

First up is content quality and readability. The article has to make sense, flow well, and actually help the reader. If the content is unnatural or difficult to read, its ranking potential may be limited.

Second, you need solid SEO and AEO optimization features. A good tool does more than write. It should help you structure your post with proper headings, use the right keywords, and even get you cited in AI Answer Engines (AEO) like Google's AI Overviews.

<quote text="Here are some tools to consider:

• SERP research & briefs: Frase, Surfer pull top-page headings, questions, entities, and gaps to build a brief fast.

• Outlines & drafting: ChatGPT, Claude, Gemini great for reverse-outlines, first drafts, and variant angles.

• Editing, tone & style guardrails: Grammarly, Hemingway for readability.

• Facts & citations (hallucination control): Perplexity (with sources), ChatGPT w/ browsing for cite-and-summarize." sourceIcon="https://www.iconpacks.net/icons/2/free-reddit-logo-icon-2436-thumb.png" sourceName="Reddit" sourceLink="https://www.reddit.com/r/seogrowth/comments/1nhh66z/comment/necsab3/">

Next, think about contextual awareness. The best AI writers can understand your brand and industry. Tools that let you plug in your website URL, like the eesel AI blog writer, create content that is more aligned with the brand's voice.

Lastly, don't forget about asset generation. SEO today isn't just about words. Posts with images, tables, and videos do better. A tool that adds these for you is a significant time-saver.

How to use a free tool without sounding robotic

SEO writing is about creating genuinely helpful, high-quality content that answers a reader's questions. Free AI writing tools have put this within reach for everyone, giving you a great way to jumpstart your content plan, get past writer's block, and produce more articles.

While some tools are great for automation (like SEOWriting.ai) and others excel at research (like Frase), the end goal is always a finished article that's ready for an audience. A tool that understands brand context, builds engaging assets, and writes in a natural voice can be particularly effective. For example, the eesel AI blog writer is designed with these features in mind, offering a free trial for users to generate their first few articles.