Sider records 2,644,740 monthly visits with -10.6% month-over-month growth and Freemium pricing. TabTamer records 0 monthly visits with — growth and Free pricing.
AI sidebar and browser agent for reading, writing and research
Group your tabs with a prompt, powered by OpenAI's GPT-3
| Dimension / Metric | | |
|---|---|---|
| Official Domain | sider.ai | chrome.google.com |
| Pricing Model | Freemium | Free |
| 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 | 1.8 |
| 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.
Group your tabs with a prompt, powered by OpenAI's GPT-3
Type a plain-language prompt describing how you want tabs grouped, and TabTamer uses GPT-3 to do the sorting.
Uses OpenAI's GPT-3 to decide which tabs belong together, so you do not have to define manual rules.
Install from the Chrome Web Store and add your own OpenAI API key; instructions are shown when you first install.
The developer states your API key is stored in your browser and never leaves it except for requests to the OpenAI API.
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.
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.
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.
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
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.
AI-native browser that understands your context and runs agent tasks
AI-native browser that understands your context and runs agent tasks
One AI sidebar for ChatGPT, Claude and Gemini across the web
One AI sidebar for ChatGPT, Claude and Gemini across the web
Focuses heavily on sidebar video and document summarization with ChatGPT, but offers less extensive multi-model switching.
Focuses heavily on sidebar video and document summarization with ChatGPT, but offers less extensive multi-model switching.
