AI sidebar and browser agent for reading, writing and research

12 alternatives to SEER, matched by what they do.
| Rank | Tool & Tagline | Official Domain | Monthly Visits | MoM Growth | Pricing Model | Primary Market | Rating | Compare |
|---|---|---|---|---|---|---|---|---|
| ● | SEER | chromewebstore.google.com | 0 | 0 (—) | Free | Global | 1.8 | Profile |
| 1 | Sider | sider.ai | 2.64M | -314.2K (-10.6%) | Freemium | United States | 4.5 | Compare |
| 2 | Monica | monica.im | 4.51M | -573.08K (-11.3%) | Freemium | United States | 4.3 | Compare |
| 3 | Merlin AI | getmerlin.in | 1.38M | 159.85K (+13.1%) | Freemium | United States | 4.3 | Compare |
| 4 | HARPA AI | harpa.ai | 537.46K | 267.81K (+99.3%) | Freemium | United States | 4.6 | Compare |
| 5 | Chippy | chippyai.com | 2.99K | 683 (+29.6%) | Freemium | Uzbekistan | 4 | Compare |
| 6 | ExplainThis | explainthis.ai | 1.46K | -1.72K (-54%) | Free | United States | 3.9 | Compare |
| 7 | Chatbox | chatboxai.app | 567.17K | -108.56K (-16.1%) | Freemium | China | 4.6 | Compare |
| 8 | MARK•R | mark-r.com | 43 | -825 (-95.1%) | Freemium | Global | 4.2 | Compare |
| 9 | Walles.ai - Your AI Browser Sidekick | walles.ai | 8.31K | -5.35K (-39.2%) | Freemium | Global | 3.8 | Compare |
| 10 | GPT Workspace | gpt.space | 431.51K | 131.49K (+43.8%) | Freemium, Free Trial, Paid | United States | 4.7 | Compare |
| 11 | Kome AI | kome.ai | 174.91K | -12.18K (-6.5%) | Freemium | India | 4.1 | Compare |
| 12 | Clawdbot (OpenClaw) | openclaw.ai | 1.9M | -647.61K (-25.4%) | Paid, Free | United States | 4.6 | Compare |
AI sidebar and browser agent for reading, writing and research

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

One AI assistant that plugs ChatGPT, Claude and Gemini into every tab
One browser agent that combines every major AI model with web automation

ChatGPT in your browser sidebar, without switching tabs
Summarise and explain any page or video as you browse
One privacy-first AI client for GPT, Claude, Gemini and more

Highlight any web text and query it with conversational AI, right on the page
Your GPT-powered sidekick for every page, PDF and video

Bring ChatGPT, Claude and Gemini into Google Docs, Sheets, Slides and Gmail

Summarize, bookmark and write with AI right in your browser

Free / Open-sourceOpen-source personal AI assistant that runs on your own machine and works from chat apps

AI sidebar and browser agent for reading, writing and research
All-in-one AI assistant across web, browser, desktop and mobile
One AI assistant that plugs ChatGPT, Claude and Gemini into every tab
ChatGPT in your browser sidebar, without switching tabs
Summarise and explain any page or video as you browse
One privacy-first AI client for GPT, Claude, Gemini and more
Highlight any web text and query it with conversational AI, right on the page
Your GPT-powered sidekick for every page, PDF and video
Bring ChatGPT, Claude and Gemini into Google Docs, Sheets, Slides and Gmail
Summarize, bookmark and write with AI right in your browser
Free / Open-sourceOpen-source personal AI assistant that runs on your own machine and works from chat apps