Glean records 3,301,875 monthly visits with +0.1% month-over-month growth and Contact for Pricing pricing. Sider records 2,644,740 monthly visits with -10.6% growth and Freemium pricing.
Enterprise AI grounded in your company's own knowledge
AI sidebar and browser agent for reading, writing and research
| Dimension / Metric | | |
|---|---|---|
| Official Domain | glean.com | sider.ai |
| Pricing Model | Contact for Pricing | Freemium |
| Monthly Visits | 3.3M (3,301,875) | 2.64M (2,644,740) |
| MoM Traffic Delta | +4.86K (+0.1%) | -314.2K (-10.6%) |
| Primary Market & Share | 🇺🇸 United States (56.6%) | 🇺🇸 United States (13.3%) |
| Direct Visits / mo | 2.63M | 1.7M |
| User Rating | 4.6 | 4.5 |
| Supported Platforms | Website | Website |
Enterprise AI grounded in your company's own knowledge
Ask a question in plain language and get a cited answer assembled from documents, tickets, wikis, and messages across every connected system, with permissions respected.
Reusable agents handle multi-step workflows such as onboarding, account research, or incident follow-up by orchestrating actions across business apps.
Glean automatically picks and routes requests to the right model and reasoning level, giving teams access to 40+ LLMs through a single governed gateway.
Draft on-brand documents, summarise meetings, analyse data, and create content grounded in company context rather than generic model knowledge.
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.
SpecialistThe AI workspace where teams and agents get work done together
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.
Builds collaborative enterprise AI agents connected to company knowledge, but offers less robust out-of-the-box universal search.
Builds collaborative enterprise AI agents connected to company knowledge, but offers less robust out-of-the-box universal search.
Excels at advanced web automation and data extraction alongside chat, but has a steeper learning curve than Sider.
SpecialistBuild, share, and control AI agents that actually do the work
SpecialistBuild, share, and control AI agents that actually do the work
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.
SpecialistAutomates employee IT and HR support requests exceptionally well, but focuses less on general universal document search.
SpecialistAutomates employee IT and HR support requests exceptionally well, but focuses less on general universal document search.
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.
