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Writing & AI tools / Originality.ai / Alternatives

Alternatives to Originality.ai

12 other tools do at least one of the 2 tasks Originality.ai does. Tools with a tested score come first; the rest are ordered by how many tasks they share with Originality.ai.

Disclosure: agathox makes some of the tools listed here. They are labelled and scored by the same method as every other tool.

  • Winston AI

    Not enough data

    Winston AI is listed for: ai content detector, plagiarism checker.

    Shares 2 of 2 tasks: AI content detector, Plagiarism checker

    Free tier
    Not stated.
    Signup
    An account is required to begin checking for AI content. The page says: “Create your account for free to begin checking for AI content.”

  • Copyscape

    Not enough data

    Copyscape is a free plagiarism checker. The software lets you detect duplicate content and check if your text is original.

    Shares 1 of 2 tasks: Plagiarism checker

    Free tier
    Not stated.
    Signup
    An account is required for Copyscape Premium. The page says: “Sign up Copyscape Premium.”

  • GPTZero

    Not enough data

    Best free AI detector - simply paste your text to instantly get an overall AI score and advanced sentence by sentence detection.

    Shares 1 of 2 tasks: AI content detector

    Free tier
    Not stated.
    Signup
    A free account is required for scans exceeding 10,000 characters. The page says: “For scans over 10,000 characters, create a free account first.”

  • Quetext

    Not enough data

    Plagiarism Checker and AI Detector by Quetext. Our DeepSearch™ technology searches billions of sources to detect plagiarism and AI-written content.

    Shares 1 of 2 tasks: Plagiarism checker

    Free tier
    Free plan at $0/month: plagiarism checker up to 1,000 words, AI content detector up to 1,000 words, AI summarizer up to 2,000 words, AI humanizer up to 500 words. Trial length not stated.
    Signup
    Not stated. Free plan button links to a signup page.
    Originality.ai vs Quetext

  • Sapling

    Not enough data

    Sapling language model API toolkit and copilot for enterprise tasks. Sapling offers an API/SDK and turnkey integrations for grammar/spell checking, autocomplete, AI detection, paraphrasing, sentiment…

    Shares 1 of 2 tasks: AI content detector

    Free tier
    Free plan gives basic writing help and AI detector checks up to 2,000 characters per check, 20 snippets, 5 files per detector batch, on free domains only. Advanced suggestions, Autocomplete and Rephrase are not included.
    Signup
    An account is required for the Pro trial and subscribing. Not stated for the free plan.
    Originality.ai vs Sapling

  • SmallSEOTools

    Not enough data

    You need effective SEO tools which are 100% free? Check out our Search Engine Optimization tools for checking backlinks, tracking keyword positions and more.

    Shares 1 of 2 tasks: Plagiarism checker

    Free tier
    The pricing page says there is no free trial. It labels some tools as Free (Paraphraser, Grammar Checker, Plagiarism API) but gives no limits.
    Signup
    Not stated.

  • Smodin

    Not enough data

    Detect AI text, humanize AI writing, and check plagiarism in one place. Smodin's AI detector and humanizer make your work read as authentic, human writing. Free to try.

    Shares 1 of 2 tasks: Plagiarism checker

    Free tier
    Not stated. The pricing page lists only Starter and Premium plans. The home page says its live demos need no sign-up to try.
    Signup
    Not stated for the listed tasks. The home page says no sign-up is required to try the demos.
    Originality.ai vs Smodin

  • Undetectable AI

    Not enough data

    Undetectable AI is a tool that rewrites AI-generated text to read like human writing. It helps students, content writers and professionals. Free to start.

    Shares 1 of 2 tasks: AI content detector

    Free tier
    Only a free trial limited to 250 words is described. More use needs a paid plan.
    Signup
    Not stated.
    Originality.ai vs Undetectable AI

  • Copyleaks

    Not enough data

    Copyleaks is listed for: plagiarism checker, ai content detector.

    Shares 2 of 2 tasks: AI content detector, Plagiarism checker

  • Turnitin

    Not enough data

    Turnitin is listed for: plagiarism checker, ai content detector.

    Shares 2 of 2 tasks: AI content detector, Plagiarism checker

  • Duplichecker

    Not enough data

    Duplichecker is listed for: plagiarism checker.

    Shares 1 of 2 tasks: Plagiarism checker

  • ZeroGPT

    Not enough data

    AI Content Detector and ChatGPT Detector, simple way with High Accuracy. AI Checker & AI Detector Free for AI GPT Plagiarism by ZeroGPT.

    Shares 1 of 2 tasks: AI content detector

Free-tier and signup lines come from each tool's own pages. Prices and limits change; check the tool before you rely on them.

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