Create and interact with AI companions and virtual characters using GPT-4o on Chub AI's platform.
Kotha
FreeStarting price
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About Kotha
Kotha imports exported WhatsApp chat archives and trains an AI model to replicate a contact’s writing style, including slang, emojis, humor and tone. Users can then converse with the AI in the exact voice of the person whose chats were uploaded. The service supports automatic language detection for Hinglish, Hindi, English and other languages. It also provides a searchable chat viewer, daily memory prompts titled On This Day, and a digital diary view of past conversations. Kotha emphasizes privacy by encrypting data in transit and at rest, keeping all memories private to the account and prohibiting data sales or model training on personal chats. Chats can be deleted permanently with one click. The tool is designed for preserving conversations with loved ones, distant friends or as a personal memory assistant.
Key features
- Unlimited WhatsApp chat imports
- AI chatbot mimicking a person’s writing style
- On This Day memory resurfacing
- Searchable chat history viewer
- Automatic language detection
- Encrypted HTTPS/TLS data transfer
- One-click permanent data deletion
- Free tier available
Use cases
- Revisiting conversations with deceased loved ones in their own words
- Keeping in touch with distant friends through AI-generated replies
- Maintaining a searchable digital diary of past chats
Pros
- Imports unlimited WhatsApp chats from iPhone and Android
- AI replicates the exact tone, slang and emojis of each contact
- Encrypted storage and private-by-default handling of user data
- Free tier includes unlimited imports, chat viewer and daily memory prompts
- Supports multiple languages including Hinglish, Hindi and English
Cons
- AI conversations limited to three per day on the free plan
- Requires manual export of WhatsApp chats before upload
- No native mobile app; operates via web interface
Frequently asked questions about Kotha
How do I export my chat history from WhatsApp?
Open any WhatsApp chat, tap the three-dot menu, select 'More,' then 'Export chat' and choose 'Without Media' to save the chat as a .zip file. Upload this file to Kotha for processing.
Is my chat data safe and private with Kotha?
Yes. All data is encrypted in transit and at rest, accessible only to your account. Kotha does not sell data or train AI on personal chats, and you can delete everything permanently with one click.
How does the AI learn to replicate someone’s writing style?
Kotha’s AI analyzes the uploaded chat to understand the contact’s language, slang, emojis, humor, and tone. It then responds in their exact style during conversations.
Is Kotha free to use?
Yes. Kotha offers a free plan with unlimited chat imports, a chat viewer, 'On This Day' memories, and three AI conversations per day. A Pro plan is available for unlimited AI chats.
Which languages does Kotha support?
Kotha supports any language, including Hindi, English, Hinglish, Tamil, Bengali, Marathi, and more. The AI automatically detects and matches the language used in the uploaded chats.
Can I delete my chats from Kotha permanently?
Yes. You can delete all your chats permanently with one click at any time, and no questions will be asked.
