Sider records 2,644,740 monthly visits with -10.6% month-over-month growth and Freemium pricing. Surf records 116,252 monthly visits with -18.9% growth and Free, Pro, Max, API credits pricing.
AI sidebar and browser agent for reading, writing and research
Institution-grade crypto and equities intelligence, delivered through a chat-style AI analyst.
| Dimension / Metric | ||
|---|---|---|
| Official Domain | sider.ai | asksurf.ai |
| Pricing Model | Freemium | Free, Pro, Max, API credits |
| Monthly Visits | 2.64M (2,644,740) | 116.25K (116,252) |
| MoM Traffic Delta | -314.2K (-10.6%) | -27.18K (-18.9%) |
| Primary Market & Share | 🇺🇸 United States (13.3%) | 🇰🇷 South Korea (32.6%) |
| Direct Visits / mo | 1.7M | 88.81K |
| User Rating | 4.5 | 4.2 |
| 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.
Institution-grade crypto and equities intelligence, delivered through a chat-style AI analyst.
Ask questions about tokens, protocols, or equities in plain language and receive answers backed by visible sources rather than unsupported assertions.
Market prices, onchain events, SEC filings, and news are normalized into one structured layer so the model reasons over consistent inputs.
API, MCP server, CLI, and agent skills let teams wire Surf intelligence into their own agents, dashboards, and internal research workflows.
Purpose-built modules for tracking market-moving developments and for looking up structured context on projects and assets.
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.
AI trading indicators, real-trade orderflow and charts in one platform
AI trading indicators, real-trade orderflow and charts in one platform
Global macro data and AI research platform for smarter economic decisions
Global macro data and AI research platform for smarter economic decisions
Excels at advanced web automation and data extraction alongside chat, but has a steeper learning curve than Sider.
AI investing copilot for stock research, screening and market signals
AI investing copilot for stock research, screening and market signals
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.
AI-driven market analysis for faster, data-backed investing decisions
AI-driven market analysis for faster, data-backed investing decisions
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.
