Best AI Paraphrasing Tools in 2026
Updated
In short: Sapling is ranked #1 of 24 as of 4 October 2026, ahead of Paraphraser.io and Rewriter AI. The best-ranked option with a free plan is StealthWriter. The lowest first paid tier on this page is Paraphraser.io at $0.08/mo.
When you need to revise wording without losing sight of the original passage, compare these AI paraphrasing tools by tone and length controls, supported languages, and word limits. Document upload and API access can help distinguish options for file-based work or integration with another workflow. The ranking starts with Paraphraser.io and Rewriter AI, followed by Sapling and Wordtune; Phrasit, QuillBot, Rephrasely, and Clever AI Humanizer are also among the opening entries. Check each tool’s free-plan availability and paid-from price alongside its listed controls and limits, so you can focus on the editing options that fit your needs.
24 AI paraphrasing tools ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
AI Paraphrasing Tools, one module each. A lit port is something its maker publishes; 3 of the 24 on this page have a public API.
- 01 Sapling API yesOSS not on recordFREE yesDOCS 7.4$1/mo
- 02 Paraphraser.io API yesOSS not on recordFREE not on recordDOCS 7.0$0.08/mo
- 03 Rewriter AI API yesOSS not on recordFREE not on recordDOCS 7.0$6.40/mo
- 04 StealthWriter API not on recordOSS not on recordFREE yesDOCS 6.0$20/mo
- 05 Clever AI Humanizer API not on recordOSS not on recordFREE yesDOCS 5.9Free
- 06 Phrasit API not on recordOSS not on recordFREE yesDOCS 5.9$4/mo
- 07 RewritePal API not on recordOSS not on recordFREE yesDOCS 5.9$2.92/mo
- 08 Wordtune API not on recordOSS not on recordFREE yesDOCS 5.9$0.58/mo
- 09 QuillBot API not on recordOSS not on recordFREE yesDOCS 5.7Free
- 10 Prepostseo Paraphrasing Tool API not on recordOSS not on recordFREE not on recordDOCS 5.5$0.44/mo
- 11 SmallSEOTools Paraphrasing Tool API not on recordOSS not on recordFREE not on recordDOCS 5.5$8/mo
- 12 Rephrasely API not on recordOSS not on recordFREE not on recordDOCS 5.1
- 13 AnswerThis AI Paraphraser API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 14 Grammar.com Rewriter API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 15 NeuralWriter API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 16 Phrasera API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 17 Rephrase AI API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 18 Smodin AI Paraphraser API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 19 Paraphaser.ai API not on recordOSS not on recordFREE not on recordDOCS 4.9
- 20 Paraphraser API not on recordOSS not on recordFREE not on recordDOCS 4.9
- 21 Rasa Paraphraser API not on recordOSS not on recordFREE not on recordDOCS 4.9
- 22 SpinBot API not on recordOSS not on recordFREE not on recordDOCS 4.9
- 23 Typeahead API not on recordOSS not on recordFREE not on recordDOCS 4.9
- 24 ScholarForge Paraphraser API not on recordOSS not on recordFREE not on recordDOCS 4.8
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Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which AI paraphrasing tool is ranked first on Inferse?
Sapling is ranked #1 of 24 with a score of 7.4. Paraphraser.io is second and Rewriter AI third.
How many of these have a free plan?
7 of the 24 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Paraphraser.io has the lowest first paid tier we found: $0.08/mo.
How is this list ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it. Paid placements never change a rank.