
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.
Sider records 2,644,740 monthly visits with -10.6% month-over-month growth and Freemium pricing. Tab GPT records 0 monthly visits with — growth and Free (bring your own OpenAI API key) pricing.

Summarize and interrogate any page with GPT, right from your toolbar
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | sider.ai | chromewebstore.google.com |
| Pricing Model | Freemium | Free (bring your own OpenAI API key) |
| Monthly Visits | 2.64M (2,644,740) | 0 (0) |
| MoM Traffic Delta | -314.2K (-10.6%) | 0 (—) |
| Primary Market & Share | 🇺🇸 United States (13.3%) | 🌐 Global (—) |
| Direct Visits / mo | 1.7M | 0 |
| User Rating | 4.5 | 3.2 |
| Supported Platforms | Website | Browser Extension |
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.

Summarize and interrogate any page with GPT, right from your toolbar
Run a summarization action on the page you are on and get a condensed version of its content in the same tab.
Ask free-form questions about the current page and get answers grounded in its content.
Write your own prompt templates for tasks that go beyond summarizing or Q&A.
Keep a set of frequently used commands one click away instead of retyping them.

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.

Live meeting transcription and AI notes without a bot in the call
Live meeting transcription and AI notes without a bot in the call

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

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

The AI browser that reads between your tabs

The agentic AI browser that reads your tabs, files, and screenshots as context
The agentic AI browser that reads your tabs, files, and screenshots as context
One browser agent that combines every major AI model with web automation

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
Summarize, bookmark and write with AI right in your browser
Summarize, bookmark and write with AI right in your browser
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.