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AI Readability vs VT Writer

AI Readability

ai-readability.com

VT Writer

visiblethread.com

Side by side

FigureAI ReadabilityVT Writer
Price fromFree—
Free planYes—
Free trial—Yes
Open source——
WebYesYes
Windows—Yes
Linux—Yes
Self-hosted—Yes
Plans published11
Spec score · AI Readability Checkers7.8 (#12)7.3 (#25)

Plans

AI Readability

  • FreeFree

AI Readability pricing →

VT Writer

  • VisibleThread subscriptionPrice not published

VT Writer pricing →

In their own words

AI Readability

AI Readability is a web checker for English text aimed at writers, editors, and content teams. It measures how readily people can read text and how easily AI systems can parse and reuse it. The checker returns a score from 0 to 100 covering Sentence Clarity, Structural Organization, Entity Consistency, and Answer Readiness. It also offers a short illustrative rewrite, rather than a complete edit. Scoring runs entirely in the browser, so pasted text is not sent to a server during the check. The site says the tool uses transparent heuristics without a model call, server, or crawl, and requires no signup. English is the only supported language. Selecting “Continue in Textorum” sends the text to Textorum through the URL. The maker describes the score as a proprietary diagnostic framework, not a validated scientific instrument, and says no readability tool can promise citations or rankings. The free plan costs nothing.

Visit ai-readability.com

VT Writer

VT Writer has no write-up on Specifiction yet; its figures are above.

Visit visiblethread.com