AI companies by category · August 2026
AI writing companies: the 10 growing fastest in August 2026
AI companies working on writing assistants, copywriting, paraphrasing and grammar tools, ranked by how much their estimated website visits grew on the month before. Only companies with at least 20K visits a month are included.
We track 265 companies in this category with at least 20K monthly visits.
| # | Company | VisitsVisits / month | 1 month | 3 months |
|---|---|---|---|---|
| 1 | speedwrite.com Speedwrite is an AI text generator that produces unique, plagiarism-safe writing from any source text. +411% on the month before | 84K | +411% | +438% |
| 2 | kdpbuilder.com AI studio that generates manuscripts, covers, and print-ready book packages for Amazon KDP. +137% on the month before | 30K | +137% | +5,528% |
| 3 | openl.ai AI translator for text, image, audio, and documents with free daily quota and Pro subscription. +136% on the month before | 170K | +136% | +1,467% |
| 4 | storiesgenerator.org Free AI-powered story generator with a suite of writing tools for plots, characters, fanfic, and poems. +122% on the month before | 26K | +122% | +1,588% |
| 5 | essaygenius.ai AI-powered student writing workspace for researching, drafting, and citing essays. +116% on the month before | 29K | +116% | +51% |
| 6 | meetsona.ai AI tool that runs guided voice interviews and turns your spoken ideas into LinkedIn posts, blogs, and newsletters. +95% on the month before | 34K | +95% | +136% |
| 7 | paragraphai.com AI writing assistant app, keyboard, and Chrome extension for grammar, drafting, editing, and translation. +89% on the month before | 50K | +89% | +190% |
| 8 | nail-ai.com Tool that generates AI-curated newsletters on any topic from a prompt. +75% on the month before | 31K | +75% | +488% |
| 9 | proofreaderpro.ai AI proofreading and editing tool for academics with sign-up, tracked changes, and multiple LLM-powered features. +74% on the month before | 120K | +74% | +522% |
| 10 | readkidz.com AI storybook creator generating illustrated children's books from a prompt. +72% on the month before | 56K | +72% | +93% |
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How this list is made
At least 20K estimated visits in the month and 10K the month before, positive growth, and at least three months of history. The ten with the highest growth are shown.
Visits are estimated monthly website visits across all channels, from third-party traffic panels, rounded to two significant figures. They are estimates, not numbers the companies report.
Growth compares the month with the month before. A company that runs several domains is counted once, with its domains added together, so a move from one domain to another does not show up as growth.
Companies are included when our classifier is confident AI is the product itself, not a feature of a wider platform. Adult and companion apps are left out. A reviewed list corrects wrong names and keeps public companies off the startup lists.
The list is rebuilt once a month, when the month's traffic estimates are in. A fast month can reflect a launch, a press cycle or a single viral post, so treat a place on this list as a reason to look closer, not as proof of revenue.