Can Pangram Labs and GPTZero both check images and videos?

Pangram Labs offers AI detection for text, images, and video. GPTZero describes its AI detector and AI Vision browser feature as checking text; it does not publish an image or video detection offering.

Which product can show how a document was written?

GPTZero’s Writing Replay records a document’s writing process and reports on edits, pastes, and typing patterns. Pangram Labs publishes AI-assisted passage highlighting, which analyzes submitted text rather than replaying its creation.

What can I scan for free?

Pangram Labs lists up to 2,000 words and three image scans per day on its free plan. GPTZero lists 10,000 words per month, a 10,000-character limit per scan, and basic AI detection on its free plan.

Do both products check for plagiarism?

Yes. Pangram Labs lists similarity detection on its paid Individual plan and above. GPTZero includes Plagiarism Check with Premium and Professional.

Which has more classroom integrations?

Pangram Labs lists Canvas, Blackboard, Brightspace, Google Classroom, Moodle, and Schoology. GPTZero lists Canvas and Google Classroom and offers LMS integration with its Professional plan.

Can either product detect AI-assisted rather than fully AI-generated writing?

Pangram Labs highlights passages edited with AI separately from fully AI-generated passages. GPTZero offers an Advanced Scan with sentence highlighting and identifies text that mixes human and AI writing.

Do both offer an API?

Yes. Pangram Labs sells prepaid API credits and publishes a text rate of $0.05 per 100 words, with a discount for bulk scans. GPTZero offers an AI text detection API with document, paragraph, and sentence results.

Pangram Labs vs GPTZero

Pangram Labs suits buyers checking AI-generated text, images, and video, while GPTZero suits buyers who also want to examine how a document was written. Both offer AI text detection and plagiarism checks. Pangram distinguishes AI-assisted passages and offers image and video scans; GPTZero pairs text analysis with Writing Replay, writing feedback, and citation tools. Their free allowances and paid feature access also differ.

Last updated November 8, 2026.

At a glance

Pangram Labs compared with GPTZero, one row per dimension
Dimension	Pangram Labs	GPTZero
Content checked for AI	Text, images, and video	Text
Writing process	Not published	Writing Replay and typing analysis
Writing tools	AI-assisted passage highlighting	Grammar check, writing feedback, and citations
Free text allowance	Up to 2,000 words per day	10,000 words per month
Free scan limit	Not published	10,000 characters per scan
Paid plans	Individual $20/month; Professional $65/month	Essential, Premium, and Professional
Plagiarism checks	Available on paid plans	Included with Premium and Professional
Languages	More than 20 for AI text detection	Multilingual AI text detection
Classroom integrations	Canvas, Blackboard, Brightspace, Google Classroom, Moodle, Schoology	Canvas and Google Classroom
Other integrations	Browser extension, Google Docs, Gmail	Chrome extension, Google Docs, Zapier
Team plans	From $20 per seat monthly; two-seat minimum	Two-seat minimum; shared credits
Developer access	Prepaid API credits; $0.05 per 100 text words	AI text detection API

Scroll the table sideways to compare each row.

Which should you choose?

Choose Pangram Labs if

Reviewers checking text, images, and video for AI generation
Teams identifying AI-assisted passages within documents
Organizations working across more than 20 languages
Developers buying prepaid detection API credits

See Pangram Labs — 20% CASHBACK

Choose GPTZero if

Educators who want Writing Replay alongside AI text detection
Writers seeking grammar checks and writing feedback
Reviewers who need source and citation tools
Teams automating text checks through Zapier

See GPTZero

The verdict

Pick Pangram Labs if your review queue includes visual media, multilingual text, or documents mixing human writing with AI edits. Pick GPTZero if writing history, feedback, and source or citation tools matter more than image and video detection. For educators, both connect to classroom systems; the choice turns on whether you need to assess the submitted content alone or also inspect its writing process.