GPTZero
AI Detector
VS
Viktor
Your AI coworker for Slack and Teams: automate tasks, connect 3000+ tools.
Popularity
GPTZero9,237
Viktor200
Pricing
FreemiumGPTZero
FreemiumViktor
Features
4
GPTZero
vs
4
Viktor
Our verdict
GPTZero is significantly more popular in terms of media coverage and engagement.
GPTZero is more geared toward b2c users, while Viktor targets B2B.
GPTZero offers an API for integration into your workflows.
Detailed comparison
Criteria
GPTZero
Viktor
Pricing
Freemium
Freemium
Plans & pricing
Free: Free
—
Free trial
No
—
Audience
b2c
B2B
Platforms
Web, Api, Cloud-computing
—
API
Yes
—
Open Source
Proprietary
—
Integrations
Zapier, Google-docs, Google-classroom, Canvas, Google-slides, Google-forms, Google-sheets, Google-drive, Gmail, Typeform, Greenhouse, Zengine, Microsoft-word, Relevance-ai, Schmidt-futures, Kritik, Source-scout, Peerceptiv, Brisk-teaching, Revisely
—
Categories
Writing
SEO, AI Agents, Productivity, Dev Tools
Popularity
Very High
Low
Description
GPTZero is a free AI detector that scans text for potential AI-generated content. It offers an overall AI score and advanced sentence-by-sentence detection for models like ChatGPT, GPT-5, and Gemini. Simply paste your text to get instant results.
Viktor is an AI coworker that integrates with Slack and Microsoft Teams, connecting to over 3,000 business tools to automate tasks and perform complex workflows. Designed for B2B teams and enterprises, it functions as a digital colleague, not just a chatbot, executing actions like pulling reports, managing campaigns, and building apps end-to-end. It also writes and runs code, builds web apps, generates reports, and proactively suggests automations within your collaborative environment.
Pricing
GPTZero
Freemium
Viktor
Freemium
Plans & pricing
GPTZero
Free: Free
Viktor
—
Free trial
GPTZero
No
Viktor
—
Audience
GPTZero
b2c
Viktor
B2B
Platforms
GPTZero
Web, Api, Cloud-computing
Viktor
—
API
GPTZero
Yes
Viktor
—
Open Source
GPTZero
Proprietary
Viktor
—
Integrations
GPTZero
Zapier, Google-docs, Google-classroom, Canvas, Google-slides, Google-forms, Google-sheets, Google-drive, Gmail, Typeform, Greenhouse, Zengine, Microsoft-word, Relevance-ai, Schmidt-futures, Kritik, Source-scout, Peerceptiv, Brisk-teaching, Revisely
Viktor
—
Categories
GPTZero
Writing
Viktor
SEO, AI Agents, Productivity, Dev Tools
Popularity
GPTZero
Very High
Viktor
Low
Description
GPTZero
GPTZero is a free AI detector that scans text for potential AI-generated content. It offers an overall AI score and advanced sentence-by-sentence detection for models like ChatGPT, GPT-5, and Gemini. Simply paste your text to get instant results.
Viktor
Viktor is an AI coworker that integrates with Slack and Microsoft Teams, connecting to over 3,000 business tools to automate tasks and perform complex workflows. Designed for B2B teams and enterprises, it functions as a digital colleague, not just a chatbot, executing actions like pulling reports, managing campaigns, and building apps end-to-end. It also writes and runs code, builds web apps, generates reports, and proactively suggests automations within your collaborative environment.
Features
GPTZero
Free AI checker for ChatGPT, GPT-5 & Gemini
Overall AI score
Sentence-by-sentence detection
Scan potential AI text in any document
Viktor
Automates recurring workflows
Connects to over 3,000 tools
Writes and runs code
Builds and deploys web apps
Key differentiators
GPTZero
- High accuracy AI detection
- Sentence-by-sentence analysis
- Educational focus & LMS integration
- Comprehensive writing toolkit
Viktor
Other comparisons
FAQ: GPTZero vs Viktor
GPTZero: AI Detector. Viktor: Your AI coworker for Slack and Teams: automate tasks, connect 3000+ tools.. Both tools take different approaches to address similar needs.
Both offer a free or freemium plan. GPTZero is freemium and Viktor is freemium.
The best choice between GPTZero and Viktor depends on your specific needs. Compare their features, pricing, and target audience on this page to find the tool that best fits your use case.
GPTZero is primarily designed for individuals, while Viktor is built for businesses and professionals.
GPTZero offers: Free AI checker for ChatGPT, GPT-5 & Gemini, Overall AI score, Sentence-by-sentence detection, Scan potential AI text in any document. Viktor offers: Automates recurring workflows, Connects to over 3,000 tools, Writes and runs code, Builds and deploys web apps.
Based on our data, GPTZero currently enjoys greater popularity. However, popularity isn't the only factor — compare features to find the right tool for your needs.
Neither tool currently offers a free trial.
GPTZero offers 20 integrations (zapier, google-docs, google-classroom, canvas, google-slides...) compared to 0 for Viktor.
