HARPA AI records 537,461 monthly visits with +99.3% month-over-month growth and Freemium pricing. Syncia - Power of ChatGPT on any website records 0 monthly visits with — growth and Free pricing.
One browser agent that combines every major AI model with web automation
Bring ChatGPT into any web page with a shortcut-driven sidebar and selection menu.
| Dimension / Metric | | |
|---|---|---|
| Official Domain | harpa.ai | chrome.google.com |
| Pricing Model | Freemium | Free |
| Monthly Visits | 537.46K (537,461) | 0 (0) |
| MoM Traffic Delta | +267.81K (+99.3%) | 0 (—) |
| Primary Market & Share | 🇺🇸 United States (17%) | 🌐 Global (—) |
| Direct Visits / mo | 410.05K | 0 |
| User Rating | 4.6 | 4.5 |
| Supported Platforms | Website | Browser Extension |
One browser agent that combines every major AI model with web automation
Switch between GPT, Claude, Gemini, Perplexity, DeepSeek and other models from one extension on any page, without juggling separate tabs or subscriptions.
Summarise long articles, PDFs and YouTube videos, ask follow-up questions about the content, or jump to the relevant timestamp in a video.
Track page changes, price drops and back-in-stock alerts across e-commerce sites, with notifications when something moves.
Extract structured data from websites, fill forms, click through flows and trigger Zapier, Make.com, IFTTT or n8n chains.
Bring ChatGPT into any web page with a shortcut-driven sidebar and selection menu.
Open an OpenAI-powered chat panel over the page you are browsing using a keyboard shortcut, so you never lose context.
Highlight text to summarise, simplify, translate, check grammar, or change length from a floating toolbar under the selection.
Save your own instructions as reusable prompts and trigger them from the quick menu in one click.
Connect a personal OpenAI key for full control over the account, model choice and usage costs.
OpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
OpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
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.
All-in-one AI assistant across web, browser, desktop and mobile
All-in-one AI assistant across web, browser, desktop and mobile
AI sidebar and browser agent for reading, writing and research
AI sidebar and browser agent for reading, writing and research
One-click AI assistant for browsing, writing and research
One-click AI assistant for browsing, writing and research
SpecialistGreat for social highlighting and YouTube knowledge capture, but offers less automated web workflow scripting than HARPA.
SpecialistGreat for social highlighting and YouTube knowledge capture, but offers less automated web workflow scripting than HARPA.
SpecialistThe agentic AI browser that reads your tabs, files, and screenshots as context
SpecialistThe agentic AI browser that reads your tabs, files, and screenshots as context
SpecialistExcels at natural-language web scraping and structured data extraction, but lacks general-purpose conversational LLM sidebars.
SpecialistExcels at natural-language web scraping and structured data extraction, but lacks general-purpose conversational LLM sidebars.
SpecialistA private Chromium browser with a built-in AI agent and offline LLM
SpecialistA private Chromium browser with a built-in AI agent and offline LLM
SpecialistFaster automated summaries injected directly into search results, but lacks comprehensive browser automation and macro tools.
SpecialistFaster automated summaries injected directly into search results, but lacks comprehensive browser automation and macro tools.
Summarize, bookmark and write with AI right in your browser
Summarize, bookmark and write with AI right in your browser
SpecialistBetter autonomous form filling and web research execution, but less feature-rich for general text summarization and drafting.
SpecialistBetter autonomous form filling and web research execution, but less feature-rich for general text summarization and drafting.
