
OpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
OpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
OpenCat records 5,083 monthly visits with -8.2% month-over-month growth and Freemium, Free Trial pricing. Yatter AI records 1,084 monthly visits with 0% growth and Freemium pricing.

Your 24/7 AI assistant on WhatsApp and Telegram
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | opencat.app | yatter.in |
| Pricing Model | Freemium, Free Trial | Freemium |
| Monthly Visits | 5.08K (5,083) | 1.08K (1,084) |
| MoM Traffic Delta | -455 (-8.2%) | +1.08K (0%) |
| Primary Market & Share | 🇺🇸 United States (74.2%) | 🇮🇳 India (100%) |
| Direct Visits / mo | 2.03K | 418 |
| User Rating | 4.6 | 4.1 |
| Supported Platforms | Website | Website |
A native, fast AI chat client for Mac, iPad, and iPhone
The keyboard extension brings AI text generation into Messages, Notes, Mail, and any other app on your device, so you never have to switch contexts to ask a question.
Talk to your assistant hands-free and hear spoken replies, with Siri Shortcuts for triggering a chat without opening the app.
Switch between different AI models and providers for different tasks, and keep a curated prompt library ready for recurring needs.
Generate images from text prompts, discuss photos inside a conversation, and translate text between languages without leaving the chat.

Your 24/7 AI assistant on WhatsApp and Telegram
Chat with Yatter inside WhatsApp or Telegram powered by leading models including ChatGPT-class engines, Google Gemini and Llama, with no app download required.
Send a voice note and Yatter turns it into text, so you can ask questions and get answers without typing.
Yatter's image detection goes beyond OCR — you can ask questions about a photo directly, and generate new images by typing a prompt with the /imagine command.
Use /Web_search for real-time results, ask questions about short PDFs, and get real-time weather reports including cloud cover, humidity, visibility and UV index.

OpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
OpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.

SpecialistOne app to chat with GPT, Claude, Gemini and hundreds of other AI models
SpecialistOne app to chat with GPT, Claude, Gemini and hundreds of other AI models

All-in-one AI assistant across web, browser, desktop and mobile
All-in-one AI assistant across web, browser, desktop and mobile

Your AI agent for the browser: chat, automate and create from one sidebar
Your AI agent for the browser: chat, automate and create from one sidebar
AI sidebar and browser agent for reading, writing and research
AI sidebar and browser agent for reading, writing and research

Chat with 30+ leading AI models in one clean, fast workspace
Chat with 30+ leading AI models in one clean, fast workspace
One-click AI assistant for browsing, writing and research
One-click AI assistant for browsing, writing and research

One AI assistant that plugs ChatGPT, Claude and Gemini into every tab
One AI assistant that plugs ChatGPT, Claude and Gemini into every tab

One Brazilian workspace blending 50+ AI models, an agent mode, and a WhatsApp assistant.
One Brazilian workspace blending 50+ AI models, an agent mode, and a WhatsApp assistant.

One AI super app for chat, images, video and everyday document tasks
One AI super app for chat, images, video and everyday document tasks
One subscription, many AI models — chat, search, analyze files and links
One subscription, many AI models — chat, search, analyze files and links
One privacy-first AI client for GPT, Claude, Gemini and more
One privacy-first AI client for GPT, Claude, Gemini and more