What each AI detector and AI humanizer offers, what it costs and where it falls short, based on public pricing, documentation and research. Looking for step-by-step workflows? See our use cases.
Why AI detectors flag human writing, how often it happens according to published research, what to do when a score looks wrong, and the free detector we recommend for your drafts.
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Nine AI detectors ranked on free limits, price and features as of October 2026, with Essai as our top pick for unlimited free checks and a built-in humanizer.
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Essai tops our 2026 ranking of AI humanizers. See how QuillBot, Phrasly, Undetectable AI and five more tools compare on free access, limits, pricing and reviews.
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A five-step, research-based method to detect AI writing without false accusations, the signs worth trusting, and why Essai's free AI detector is our top pick.
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BrandWell's free AI checker is now a Moxby browser Mod that flags robotic writing but cannot say who wrote a text. See what changed, what it costs and why Essai is our top pick.
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Copyleaks plans and credit rules as of October 2026, what research says about its accuracy, what users report, and why Essai is our top pick for students and writers.
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GPTZero flags AI-like text but has no humanizer. Our 2026 review covers its plans, accuracy claims and billing complaints, and why Essai is our top pick instead.
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Grammarly's free AI checker stops at one overall score, and the detail costs $30 a month. Here are its limits, prices and ratings, and why Essai is our top pick.
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There is no official Hugging Face AI detector, and the popular free one publishes no accuracy data. Here is what it does, where it falls short and why Essai is our top pick.
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HumaLingo bundles an AI detector, humanizer and plagiarism checker, but there is no free plan and its $2 trial renews at $39.99 a month. Here is why Essai is our top pick instead.
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Isgen sells a multilingual AI detector, but its accuracy claims lack a published method and its humanizer and detector share a plan only at $40. See why Essai is our top pick.
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Monica bills AI detection in credits and locks two of its three engines on the free tier. See its costs, accuracy record and why Essai is our top pick instead.
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Originality.ai checks AI text and plagiarism on credits but leaves the rewriting to you. Our 2026 review covers plans, accuracy research and complaints, and why Essai is our top pick.
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Paperpal's AI detector adds sentence highlights to an academic writing suite, but the free tier is a preview and Prime caps detection. Here is why Essai is our top pick.
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Phrasly pairs a cheap annual humanizer plan with a free AI detector, but its $2 trial, strict refunds and self-reported accuracy add up. Here is why Essai is our top pick.
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Proofademic is an academic AI detector with a one-time free tier, no refunds and no humanizer. Our 2026 review covers its plans, accuracy claims and why Essai is our top pick instead.
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QuillBot packs a paraphraser, AI detector and humanizer into one plan, but free limits are tight and refunds are limited. Here is why Essai is our top pick instead.
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Sapling's free AI detector scores only the first 2,000 characters and has no humanizer. See its 2026 prices, accuracy record and why Essai is our top pick.
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Smodin bundles a detector, humanizer and AI writer into one low-cost plan, but its accuracy claims shift and refunds are off the table. Here is why Essai is our top pick.
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Undetectable AI sells cheap yearly word plans, but its trial, refund rules and accuracy claims come with catches. Here is why Essai is our top pick instead.
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Winston AI is a credit-based detector with a 14-day trial and no humanizer. Our 2026 review covers its plans, limits and accuracy claims, and why Essai is our top pick instead.
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ZeroGPT offers a free AI detector and a long list of extras, but its accuracy figures are self-reported. See what it costs, where it falls short and why Essai is our top pick.
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