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TUNiB
✓ verifiedFreemium
Korean conversational-AI company offering an open-source Korean LLM, persona chatbots, and NLP APIs for toxicity and PII detection.
941 visits/mo
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ZeroGPT
✓ verifiedFreemium
All-in-one AI writing suite led by an AI content/GPT detector, bundling a humanizer, paraphraser, grammar checker, translator, and chatbot.
26M visits/mo3.4K saves
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GPTZero
✓ verifiedFreemium
AI-content detector aimed at educators, adding plagiarism, grammar and citation checks with claimed high accuracy.
17M visits/mo7.3K saves
Pricing
No public pricing
Free: $0 forever
No public pricing
Core features
- ✦Open-source Korean small language model (Polyglot) usable commercially
- ✦In-house sLLM training for domain-specific, multi-persona chatbots
- ✦Library of pre-built persona chatbots accessible via API
- ✦Safety Check API detecting 12 categories of toxicity across 4 severity levels
- ✦De-identification API masking 14 types of personal information
- ✦Additional NLP APIs for text, image, video, and news analytics, emotion prediction, and dialect translation
- ✦Multi-model AI text detector (ChatGPT, GPT-5, Gemini, Claude, DeepSeek, etc.)
- ✦AI text humanizer to reduce detectability
- ✦Plagiarism checker across billions of sources
- ✦AI paraphraser, summarizer, and grammar checker
- ✦AI translator and word counter utilities
- ✦ZeroCHAT general-purpose AI chatbot
- ✦WhatsApp and Telegram bot access
- ✦Downloadable PDF detection reports and batch file upload
- ✦Detects AI text from major LLMs (ChatGPT, Claude, Gemini, Llama)
- ✦Sentence-level highlighting with explanations
- ✦Plagiarism and grammar checking
- ✦Hallucination and citation verification
- ✦Authorship/writing-process verification
- ✦Integrations for Chrome, Google Docs, Canvas and API
Use cases
- →Platforms wanting to moderate hate speech or leaked personal data
- →Companies building Korean-language chatbots or virtual personas
- →Businesses needing a commercially licensed Korean LLM foundation
- →Products requiring content safety scoring at scale
- →Educators checking student submissions for AI-generated content
- →Writers verifying and humanizing AI-assisted drafts
- →Checking text for plagiarism before publishing
- →Businesses integrating AI detection via API
- →Quick grammar/translation checks while writing
- →Checking student work for AI-generated content
- →Verifying authentic authorship in classrooms
- →Screening submissions for publishers and recruiters
- →Detecting AI text through the API in other apps
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