# Pangram Labs vs GPTZero

Source: https://nachonacho.com/software-comparisons/pangram-labs-vs-gptzero
Last updated: 2026-11-08

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.

## At a glance

| | 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 |

## Which to 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

### 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

## 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.

## Questions

### 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.

## Product pages

- Pangram Labs: https://nachonacho.com/product/Pangram-Labs
- GPTZero: https://nachonacho.com/product/gptzero