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Pangram

AI text and image detector that flags machine-written passages and checks for plagiarism.

Free plan + paidAI content detectors

Updated · AppBreakup editorial · Web, Browser extension

Visit PangramSee 5 alternatives

Is Pangram free?

Free plan, plus paid plans

Individual plan:
$20/month after 7-day trial

Checked on Pangram's site Nov 8, 2026

Full Pangram pricing and plans

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About Pangram

Pangram is an AI-content detector for text, and more recently images and video. You paste text or upload files (PDF, DOCX and others, in bulk), and it estimates how much of the document was generated by AI, highlights which segments look machine-written, and separately marks passages that seem AI-edited rather than fully generated. A similarity checker for plagiarism runs alongside. The company was started in 2023 by former Tesla and Google AI researchers and leans heavily on published benchmarks, claiming a very low false-positive rate and the ability to catch text run through 'humanizer' tools. It works in more than 20 languages. Teachers, editors, publishers and trust-and-safety teams are the main audience. There is a small daily free allowance on the website; paid individual, professional and team plans add larger word limits, Google Docs and Gmail add-ons, a browser extension and API credits. Developers can also buy pay-as-you-go API access. Like every detector, its scores are probabilities, not proof.

Best for: Educators and editors who want a low false-positive AI detector with plagiarism checks built in.

Pangram pricing (checked Nov 8, 2026)

Each line is quoted from Pangram's own site, with the page it came from.

Plan or termWhat it saysCheckedSource
Individual plan$20/month after 7-day trialNov 8, 2026pangram.com
API price (text)$0.05 per 100 wordsNov 8, 2026pangram.com
Full Pangram pricing and cheaper alternatives

Pros and cons

What works

  • Shows which segments look AI-generated or AI-edited, not just one score
  • Plagiarism similarity check included with scans
  • Detects text in 20+ languages and handles bulk file uploads
  • Pay-as-you-go API and an MCP server for developers

Why people leave

  • Free use is limited to a small daily credit allowance
  • Results are probabilistic and shouldn't be used as sole evidence
  • No offline or self-hosted option for sensitive documents

Pangram vs GPTZero, Originality.ai and Copyleaks

From each app's listing and the prices verified on its own site. A dash means we haven't verified it yet.

AttributePangramGPTZeroOriginality.aiCopyleaks
PricingFree plan + paidFree plan + paidFree plan + paidFree plan + paid
Verified price$20/month after 7-day trial—$12.95/month billed annually (Pro); $14.95 monthly—
Free planYesYesYes, 10K words one timeYes
Open sourceNoNoNoNo
Self-hostableNoNoNoNo
PlatformsWeb, Browser extensionWeb, Browser extensionWeb, Browser extensionWeb, Browser extension

Top Pangram alternatives

See all 5
  1. 1GPTZero logo
    GPTZero

    Best-known classroom detector with a more generous free tier and writing-replay features for teachers.

    68.8
  2. 2Originality.ai logo
    Originality.ai

    Built for content marketers and SEO teams, with pay-as-you-go credits plus fact and readability checks.

    64.8
  3. 3Copyleaks logo
    Copyleaks

    Long-established plagiarism checker with AI detection and LMS integrations for schools and enterprises.

    59.6
  4. 4ZeroGPT logo
    ZeroGPT

    Free, no-signup checker for quick one-off scans when accuracy reports matter less.

    59.4
  5. 5QuillBot logo
    QuillBot

    Free AI detector bundled with a paraphraser and grammar checker, handy for quick casual checks.

    52.3

Why people left Pangram

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Pangram: common questions

What is Pangram?

Pangram: AI text and image detector that flags machine-written passages and checks for plagiarism. Best for educators and editors who want a low false-positive AI detector with plagiarism checks built in. Available for Web and Browser extension.

Is Pangram free?

Pangram has a free plan and paid plans.

How much does Pangram cost?

Pangram is free with paid plans. Individual plan: $20/month after 7-day trial; API price (text): $0.05 per 100 words. Checked on Pangram's own site, November 2026.

Is Pangram open source?

No, Pangram is not open source.

What platforms does Pangram run on?

Pangram is available for Web and Browser extension.

What are the best alternatives to Pangram?

The highest-ranked Pangram alternatives right now are GPTZero, Originality.ai and Copyleaks. See the full ranked list for pricing, platforms and verified facts.

Pangram vs GPTZero: what's the difference?

Both Pangram and GPTZero are free with paid plans. Both run on Web and Browser extension.

See all 5 Pangram alternatives