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GPTZero vs orbench

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

GPTZero compared with orbench
DetailGPTZero logo GPTZeroorbench logo orbench
What it doesAI detector that identifies content generated by large language models Test LLMs on your own tasks before you switch models
StageNot given Not given
Founded2023 Not given
Based inNot given Not given
Pricing modelFreemium Paid
PricingFree tier for basic AI detection up to 10,000 characters. Professional plan available with pricing details on subscription page. API pricing available for developers. Standard: $99 one-time for 2 machines, including 1 year of updates. Pro coming soon.
Key features
  • AI detection with 99.9% accuracy
  • Sentence-by-sentence highlighting of AI-generated text
  • Writing Replay showing video proof of writing process
  • Plagiarism detection
  • Grammar checking and writing feedback
  • Chrome extension for browser-based scanning
  • Integration with Canvas and Google Classroom
  • API for developer integration
  • Detects multiple AI models including GPT-5, GPT-6, Gemini, and Claude
  • AI Tutor for writing improvement
  • Benchmark any OpenRouter model on your own prompts, CSVs or Hugging Face datasets
  • Rubric-based scoring by AI judge, by hand, or both
  • Cost per answered task with retries and caching
  • Time to first token and output tokens per second per call
  • Shareable reports in HTML, CSV and JSON formats
  • Compare up to three past benchmarks side by side
  • Hard spending cap per run
  • Fully self-hosted on your machine
  • No SDK or code changes required
What makes it different
  • 99.9% accuracy rate verified by independent benchmarks from Penn State's AI Research Lab
  • De-biased for ESL learners with only 1% false positive rate for non-native English writing
  • Only detector with Writing Replay showing video proof of authentic writing process
  • Trusted by over 10 million users and 100+ organizations globally
  • Tests your own tasks with real data instead of generic benchmarks
  • Comes before integration with no SDK or code changes needed
  • Reports actual cost per answered task including retries and caching
  • Entirely self-hosted with data never leaving your machine
  • One shareable report with every answer and judge reasoning
Community votes00
DR (Domain Rating by Ahrefs)81 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)270
Citation Flow (Majestic)4316
Referring domains (Majestic)83873

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