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Alternatives to GPT Zero

8 tools that do a similar job, ordered by how plausibly you could actually switch. Each one lists what it shares with GPT Zero and what it does differently.

What you would be leaving

Free · Free

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

The complaints people have about it

  • — 206 other tools in this catalogue claim to do the same job
  1. CaliberAI is an AI platform for easily fine-tuning LLMs to detect potentially risky content. Try our demo and contact our sales team today.

    What it shares
    Also writing & content · Shares text, detection
    What is different
    Sits in Writing & Content, one of the better-covered categories here — easy to compare
  2. Learn how AI content detection tools evaluate writing and why one checker may flag text differently than another. Discover what shapes each result.

    What it shares
    Also writing & content · Shares text, detection
    What is different
    Sits in Writing & Content, one of the better-covered categories here — easy to compare
  3. Paraphrase Tool with 15 FREE Modes for 100+ Languages - Rephrases Sentences, Rewords Paragraphs, Rewrites Essays, Checks Grammar and Eliminates Plagiarism

    What it shares
    Also writing & content · Shares text, detection
    What is different
    Sits in Writing & Content, one of the better-covered categories here — easy to compare
  4. Undetectable AI$5 - $21.25/mo

    Create with confidence using Undetectable AI's tools. Detect AI content, humanize your writing, and improve your work and academic life.

    What it shares
    Also writing & content · Shares text, detection
    What is different
    Has a free tier, so it can be tried before paying
  5. Free AI Writing App for Unique Idea & Inspiration. Seamlessly bypass AI writing detection tools, ensuring your work stands out.

    What it shares
    Also writing & content · Shares text, detection
    What is different
    Sits in Writing & Content, one of the better-covered categories here — easy to compare
  6. AI Essay Writer by Samwell is a free essay writer that helps you write all types of academic essays in seconds without any plagiarism issues.

    What it shares
    Also writing & content · Shares text, detection
    What is different
    Sits in Writing & Content, one of the better-covered categories here — easy to compare
  7. Originality.ai$8.62 - $179/mo

    Protect your reputation and improve your content quality by accurately detecting duplicate content and artificially generated text.

    What it shares
    Also writing & content · Shares text, detection
    What is different
    Has a free tier, so it can be tried before paying
  8. AI Detector for ChatGPT, Gemini & Claude — 99.98% Accurate. Detect AI-generated text in essays, articles & documents. Third-party verified results.

    What it shares
    Also writing & content · Shares text, detection
    What is different
    Priced not published.
8 alternatives to GPT Zero — AI Trends Tools