GPTZero Review: Features, Pricing & Use Cases

What it does

GPTZero scans text and flags whether it is likely human-written, AI-generated, or a mix of both, across models including ChatGPT, Gemini, Claude and Llama. It also offers a plagiarism checker and grammar/writing feedback tools, alongside a Chrome extension and a developer API for adding AI detection to other platforms. It integrates with learning management systems such as Canvas and Google Classroom, and supports detection in English, German, Portuguese, French and Spanish.

Key features

• Multi-model AI content detection Scans text and classifies it as human-written, AI-generated, or mixed, across outputs from major LLMs.
• Sentence-level AI highlighting Highlights the specific sentences or phrases in a document that are likely AI-generated.
• Plagiarism checker Checks whether content was copied from outside sources without attribution.
• Grammar checker and writing feedback Gives grammar corrections and writing-quality feedback alongside the AI detection scan.
• Writing Replay video Records a replay of how a document was written, including copy-paste events and typing patterns, to help verify authorship.
• Chrome extension Detects AI-generated content on any webpage directly in the browser as you browse.
• Developer API Lets developers integrate GPTZero's AI detection into their own applications with ready-to-use code.
• LMS integrations Connects AI detection and plagiarism checking to school learning management systems.

What marketers use it for

• Check written content for plagiarism before it goes out
• Flag AI-generated content on any webpage while browsing, using the Chrome extension
• Add AI-content detection into another platform or automated workflow via the API or a Zapier integration

Pricing plans

• Free Free 10,000 words per month
• Premium $12.99 /month billed annually; 300,000 words per month
• Professional $24.99 /month billed annually; 500,000 words per month
• Enterprise and Team $24.99 /month per member, billed annually; Professional plan seats ($49.98/mo for 2 members)

Prices shown are for annual billing. Enterprise and Team plans let organizations purchase multiple Professional plans with shared team credits and unified billing, with a seat purchase option or Contact Sales.

Capabilities and integrations