Sider records 2,644,740 monthly visits with -10.6% month-over-month growth and Freemium pricing. Surfer records 249,599 monthly visits with -29.3% growth and Paid, Contact for Pricing pricing.
AI sidebar and browser agent for reading, writing and research
AI visibility platform to get your brand cited in AI search
| Dimension / Metric | ||
|---|---|---|
| Official Domain | sider.ai | surferseo.com |
| Pricing Model | Freemium | Paid, Contact for Pricing |
| Monthly Visits | 2.64M (2,644,740) | 249.6K (249,599) |
| MoM Traffic Delta | -314.2K (-10.6%) | -103.59K (-29.3%) |
| Primary Market & Share | 🇺🇸 United States (13.3%) | 🇺🇸 United States (30.2%) |
| Direct Visits / mo | 1.7M | 145.79K |
| User Rating | 4.5 | 4.4 |
| Supported Platforms | Website | Website |
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.
AI visibility platform to get your brand cited in AI search
Run the prompts your buyers ask across ChatGPT, Gemini, Perplexity, Google AI Mode, and AI Overviews, and see a visibility score, mention rate, and average position by brand, topic, and model.
See every domain and URL the AI answers cite, how often they appear, and whether they mention your brand, so you can target the sources that actually shape answers.
Draft and optimize articles in a guided editor built to earn citations in AI answers and rankings in Google, with content audit and topical map support.
Find the questions your audience asks AI and Google, and spot weak pages and content gaps worth fixing or rebuilding.
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.
Excels at advanced web automation and data extraction alongside chat, but has a steeper learning curve than Sider.
Provides robust AI search analytics and sentiment tracking in generative assistants, but offers less granular page-level optimization.
Provides robust AI search analytics and sentiment tracking in generative assistants, but offers less granular page-level optimization.
SpecialistAI Search Visibility Platform for GEO & AEO
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.
SpecialistAI SEO agents that rank on Google and get cited by AI chatbots
SpecialistAI SEO agents that rank on Google and get cited by AI chatbots
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.
Stronger dedicated focus on tracking brand mentions across conversational search engines, but lacks Surfer's broader content optimization workflows.
Stronger dedicated focus on tracking brand mentions across conversational search engines, but lacks Surfer's broader content optimization workflows.
