The Cheapest AI Article Writer, Measured by Cost per Post You Can Publish

Comparing AI article writers on price is harder than it looks, because each one counts differently: credits, words, articles or seats. So we did the same sum for every tool. Take the entry plan's price from the vendor's own pricing page, divide by the standard articles it includes, and note what that article contains.

That gives a list price per article. It is a starting point, not the answer, because the cheapest AI article writer on paper can be the most expensive once you add the extras and the editing. The sections after the table add those costs back. PixelClaw is our product; we explain its numbers separately, and every other figure was read on November 5, 2026.

Laid side by side, the spread is wide: the cheapest tool here charges under a tenth of the most expensive per standard article. The expensive end includes more research and optimization per article, which is the trade you are making.

Three costs change the ranking more than the list price does. The first is extras. Autoblogging.ai's standard article is one credit, but its SERP analysis, AI images and non-English output each add a credit, so an article with research and images costs three times the headline. SEOWriting.ai's advanced models use four to ten credits per article instead of one. Koala's premium models count words at two or three times the rate.

The second is editing. If a cheap article needs twenty minutes of fact-checking, restructuring and link-adding before it can go live, the writing was not the expensive part. Tools that research the ranking pages first and check structure before publishing usually need far less editing.

The third is everything around the article: hosting, a CMS, an SEO plugin, an image tool, someone to publish. A tool that includes those can cost more per article and less per month.

PixelClaw is not the cheapest AI article writer by list price, and we would rather say so than bend the maths. Its standard post's credits include research, an outline, the draft with its polish pass, and a hero image with alt text; it is scored before it can publish, and it lands on a blog PixelClaw hosts, so there is no CMS or SEO plugin to pay for.

There are two genuinely cheap ways to use it. The free plan includes enough credits for two complete posts, with no card. And on any plan you can connect your own keys: your own AI key for writing, a Firecrawl key for research and an OpenAI or Google key for images. Work on your own keys uses no credits at all, so you pay only your providers' rates. On the Free plan the two included posts are the limit; paid plans put no limit on the posts you keep. The pricing page lists every plan.

For one or two articles to see if AI writing works for you, use a free tier: PixelClaw's two posts, SEOWriting.ai's three articles or Koala's 5,000 words. For high volume to a WordPress site where you will edit anyway, SEOWriting.ai or Autoblogging.ai have the lowest list price. For clustered, interlinked articles at volume, Machined's plans are low per article.

For a business blog where nobody has time to edit much, the cheapest option is usually the one that needs the least fixing, which points to tools that research and check. And at real volume with technical comfort, bring-your-own-key plans, such as Machined's BYOK plan, cut the per-article price to your provider's cost. PixelClaw on your own keys does the same for the AI work, while your plan sets how many posts you keep.

For more on how these tools compare beyond price, see the best AI SEO content generators and the best bulk blog generators.