
OpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
#1
12 alternatives to Sapio, matched by what they do.
| Rank | Tool & Tagline | Official Domain | Monthly Visits | MoM Growth | Pricing Model | Primary Market | Rating | Compare |
|---|---|---|---|---|---|---|---|---|
| ● | Sapio | chromewebstore.google.com | 0 | 0 (—) | Free | Global | 3.2 | Profile |
| 1 | ChatGPT | chatgpt.com | 6.05B | 127.43M (+2.2%) | Freemium | United States | 4.8 | Compare |
| 2 | Sider | sider.ai | 2.64M | -314.2K (-10.6%) | Freemium | United States | 4.5 | Compare |
| 3 | ChatKar - Conversations with ChatGPT | chromewebstore.google.com | 0 | 0 (—) | Free | Global | 3.2 | Compare |
| 4 | Monica | monica.im | 4.51M | -573.08K (-11.3%) | Freemium | United States | 4.3 | Compare |
| 5 | MacGPT | macgpt.com | 26.22K | -2.12K (-7.5%) | Freemium | United States | 4.5 | Compare |
| 6 | ChatGPT Assistant | chromewebstore.google.com | 0 | 0 (—) | Free | Global | 4 | Compare |
| 7 | Chatbot App | chat.chatbotapp.ai | 2.17M | -234.21K (-9.7%) | Freemium | United States | 3.9 | Compare |
| 8 | Merlin AI | getmerlin.in | 1.38M | 159.85K (+13.1%) | Freemium | United States | 4.3 | Compare |
| 9 | Chatbox | chatboxai.app | 567.17K | -108.56K (-16.1%) | Freemium | China | 4.6 | Compare |
| 10 | Poe | poe.com | 5.89M | 491.63K (+9.1%) | Freemium | Hong Kong SAR China | 4.7 | Compare |
| 11 | Mochii | mochii.ai | 26.99K | -6.75K (-20%) | Freemium | Vietnam | 3.8 | Compare |
| 12 | HARPA AI | harpa.ai | 537.46K | 267.81K (+99.3%) | Freemium | United States | 4.6 | Compare |

OpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
#1
Your AI agent for the browser: chat, automate and create from one sidebar

A free, featherweight Chrome extension for chatting with ChatGPT

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

ChatGPT in your Mac menu bar, inline and everywhere

Free / Open-sourceA lightweight ChatGPT browser companion with contextual scenario presets

Chat with 30+ leading AI models in one clean, fast workspace

One AI assistant that plugs ChatGPT, Claude and Gemini into every tab
One privacy-first AI client for GPT, Claude, Gemini and more

One app to chat with GPT, Claude, Gemini and hundreds of other AI models
One AI sidebar for ChatGPT, Claude and Gemini across the web
One browser agent that combines every major AI model with web automation
OpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
Your AI agent for the browser: chat, automate and create from one sidebar
A free, featherweight Chrome extension for chatting with ChatGPT
All-in-one AI assistant across web, browser, desktop and mobile
ChatGPT in your Mac menu bar, inline and everywhere
Free / Open-sourceA lightweight ChatGPT browser companion with contextual scenario presets
Chat with 30+ leading AI models in one clean, fast workspace
One AI assistant that plugs ChatGPT, Claude and Gemini into every tab
One privacy-first AI client for GPT, Claude, Gemini and more
One AI sidebar for ChatGPT, Claude and Gemini across the web