Brand Intelligence Graph
Company Overview
About Sider
Sider is a bootstrapped AI browser assistant founded in 2023 by Joel Liu and Rick Fan, headquartered in Boston. It has grown to 6M+ users without external funding, making it one of the most notable self-funded AI tool successes. Named a 2025 Chrome Editor's Pick.
Business Model & Competitive Advantage
The core product is a browser extension adding a universal AI sidebar on every webpage, with access to 20+ AI models including GPT-4o, Claude 3.5 Sonnet, and Gemini. Users can search, compose, translate, summarize, and perform deep research directly within their browser. Works on Chrome, Edge, and Chromium browsers.
Competitive Landscape 2025–2026
Sider differentiates by aggregating multiple frontier models into a single interface rather than building proprietary models. Users switch between providers depending on the task. Features include image-to-text, email drafting, and a deep research agent.
Recent Activity
View all →Key Differentiators
Strong Challenger
Sider is an established challenger with significant market presence and competitive offerings in Productivity & Collaboration.
Massive User Base
Trusted by 6M worldwide, demonstrating broad market appeal and proven reliability.
Frequently Asked Questions
Estimated Visibility Trend (Beta)
Simulated 8-week rolling score
Based on estimated brand signals. Historical tracking coming soon.
Similar Brands
Figma
Figma is a San Francisco-based collaborative web-based product design platform that has become the dominant tool for UI/UX designers and product teams — enabling real-time multi-user collaboration on
Cvent
Cvent is an enterprise event management software company founded in 1999 and headquartered in Tysons, Virginia, built to digitize and manage the full lifecycle of corporate meetings, conferences, trad
LaunchDarkly
LaunchDarkly is a feature management and experimentation platform enabling software development teams to release features safely through feature flags, progressive rollouts, and A/B testing — without
Microsoft Teams
Microsoft Teams is Microsoft's enterprise collaboration hub within Microsoft 365 — integrating workplace messaging (chat channels and direct messages), video conferencing, file storage (SharePoint and
Slack
Slack is a San Francisco-based team collaboration and communication platform — acquired by Salesforce (NYSE: CRM) in 2021 for $27.7 billion — providing organizations with channel-based messaging, dire
Pendo
Pendo is a Raleigh, North Carolina-based product experience platform providing product analytics, in-app guidance, user feedback collection, and product roadmap planning tools for software companies s
Compare Sider with Competitors
Side-by-side AI visibility scores, platform breakdown, and market position.
Claim This Profile
Are you from Sider? Claim your profile to see full AI mention excerpts, get weekly visibility change alerts, and optimize how AI systems describe your brand.
Claim Sider Profile →Track AI Visibility in Real Time
Monitor how ChatGPT, Gemini, Perplexity, and Claude mention Sider vs competitors. Get alerts when AI recommendations shift.
Start Free Tracking →