popup – AI Assistant for Any Webpage records 0 monthly visits with — month-over-month growth and Free + in-app purchases pricing. Sider records 2,644,740 monthly visits with -10.6% growth and Freemium pricing.
Right-click anywhere to run an AI agent on the text you select
AI sidebar and browser agent for reading, writing and research
| Dimension / Metric | | |
|---|---|---|
| Official Domain | chromewebstore.google.com | sider.ai |
| Pricing Model | Free + in-app purchases | Freemium |
| Monthly Visits | 0 (0) | 2.64M (2,644,740) |
| MoM Traffic Delta | 0 (—) | -314.2K (-10.6%) |
| Primary Market & Share | 🌐 Global (—) | 🇺🇸 United States (13.3%) |
| Direct Visits / mo | 0 | 1.7M |
| User Rating | 1.8 | 4.5 |
| Supported Platforms | Browser Extension | Website |
Right-click anywhere to run an AI agent on the text you select
Enabled agents appear in the browser right-click menu, giving you an AI action at any point on any page.
Replies are generated from the specific text you highlight rather than the entire document.
Browse and enable individual agents instead of relying on one generic assistant.
Around 411 KiB, so it adds little to browser memory or startup time.
AI sidebar and browser agent for reading, writing and research
A persistent panel that reads the page you are on and answers follow-ups with GPT, Claude or Gemini without copying content into another tab.
Summarise long articles, PDFs and YouTube videos, extract key points, and ask detailed questions about the source material.
Translate webpages, PDFs and images, compare bilingual output side by side, and have content read aloud for review on the move.
Delegate multi-step tasks across real websites — price comparison, form filling, research and inbox triage — using your existing logged-in sessions.
SpecialistOpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
SpecialistOpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
SpecialistAnthropic's frontier AI workspace powered by Claude 5.5 for agentic coding, analysis, and nuanced writing.
SpecialistAnthropic's frontier AI workspace powered by Claude 5.5 for agentic coding, analysis, and nuanced writing.
A general-purpose AI agent that executes tasks, not just answers them
Offers a very similar browser sidebar experience with multiple AI models, but features slightly different pricing and workspace tools.
Offers a very similar browser sidebar experience with multiple AI models, but features slightly different pricing and workspace tools.
Free / Open-sourceOpen-source personal AI assistant that runs on your own machine and works from chat apps
Free / Open-sourceOpen-source personal AI assistant that runs on your own machine and works from chat apps
Provides robust browser-based summarization and prompt assistance, but lacks some of Sider's deeply integrated multi-model chat UI features.
Provides robust browser-based summarization and prompt assistance, but lacks some of Sider's deeply integrated multi-model chat UI features.
Excels at advanced web automation and data extraction alongside chat, but has a steeper learning curve than Sider.
An AI buddy on your computer that sees your screen and walks you through anything
An AI buddy on your computer that sees your screen and walks you through anything
Free / Open-sourceSummarize YouTube, Google, and any page with AI — free in your browser
Free / Open-sourceSummarize YouTube, Google, and any page with AI — free in your browser
Integrates bookmark management and content composition into a clean sidebar, but has a more limited feature set than Sider.
Integrates bookmark management and content composition into a clean sidebar, but has a more limited feature set than Sider.
Delivers streamlined inline writing and webpage summarization via a browser extension, but with fewer custom sidebar tools.
Delivers streamlined inline writing and webpage summarization via a browser extension, but with fewer custom sidebar tools.
One AI sidebar for ChatGPT, Claude and Gemini across the web
One AI sidebar for ChatGPT, Claude and Gemini across the web
