GPTPLUS records 992 monthly visits with -76.7% month-over-month growth and Freemium pricing. Sider records 2,644,740 monthly visits with -10.6% growth and Freemium pricing.
A ChatGPT sidebar extension that brings AI writing, translation, and more to any page
AI sidebar and browser agent for reading, writing and research
| Dimension / Metric | | |
|---|---|---|
| Official Domain | gptplus.io | sider.ai |
| Pricing Model | Freemium | Freemium |
| Monthly Visits | 992 (992) | 2.64M (2,644,740) |
| MoM Traffic Delta | -3.26K (-76.7%) | -314.2K (-10.6%) |
| Primary Market & Share | 🇺🇸 United States (100%) | 🇺🇸 United States (13.3%) |
| Direct Visits / mo | 391 | 1.7M |
| User Rating | 2.2 | 4.5 |
| Supported Platforms | Website | Website |
A ChatGPT sidebar extension that brings AI writing, translation, and more to any page
Draft, rewrite, and polish text with an AI assistant that sits beside any page you are working on.
Translate content between languages and summarize long pages or documents in a few clicks.
Ask questions about the page you are reading and get contextual answers without leaving it.
Generate effective prompts and use them across other AI tools and workflows.
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.
Cross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides.
Cross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides.
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.
Excels at advanced web automation and data extraction alongside chat, but has a steeper learning curve than Sider.
Bring ChatGPT, Claude and Gemini into Google Docs, Sheets, Slides and Gmail
Bring ChatGPT, Claude and Gemini into Google Docs, Sheets, Slides and Gmail
AI writing assistant with autocomplete, research, and a Chrome extension
AI writing assistant with autocomplete, research, and a Chrome extension
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.
