HARPA AI

HARPA AI

HARPA AI is a browser extension and web agent that combines hybrid browser automation with multiple large language models to summarize content, automate web tasks, extract data, generate and edit text, and run page-aware AI agents directly in the browser.

HARPA AI is ai agents software teams evaluate for business operations. Use this page to review pricing, integration signals, and the best alternatives before you commit.

Freemium API Enterprise 75/100
One of 672 tools in AI Agents
Added 1 year ago
Data reviewed Jul 15, 2026

Profile facts come from the vendor source. AiMatch labels unknown pricing or API details instead of estimating them.

Review official source →

Quick Overview

Best for: Business Operations

What it does

AI Agents software for decision-makers comparing workflow fit and alternatives.

Best fit

Business Operations

Pricing snapshot

Freemium from Free (basic free tier and demo period for premium features)

Next step

Compare HARPA AI with similar tools before you shortlist it.

Compare this tool before you shortlist it

Review alternatives, pricing posture, and workflow fit side by side.

HARPA AI is a browser extension and web agent designed to combine web automation with generative AI models to accelerate information extraction, content creation, and repetitive browser tasks. It provides page-aware AI features such as YouTube and document summarization, contextual answers with source citations, email drafting and inbox management, SEO and marketing workflows, and the ability to create browser agents that can read and act on page content.

The product targets professionals and teams who need automations tied to web pages (sales prospecting, scraping, monitoring, content creation, SEO, and developer workflows) and offers integrations with multiple LLM providers and automation platforms while emphasising privacy by design.

HARPA AI: Chrome extension for web automation using AI.

Own this listing?

Claim this page for a one-time $29 to add pricing, features, screenshots, verified owner details, and a clearly labeled 30-day category position after the profile is live.

Claim this listing for $29

Key Features

YouTube Summarizers

Extract key takeaways, jump to timestamps, and 'talk to' videos by extracting video transcripts and summarising long videos.

Answer Engine with Source Citations

Provide hallucination-reduced AI responses alongside Google Search with source citations by scanning websites and compiling informed answers and follow-ups.

Gmail Assistant

Categorise incoming emails with AI, summarise long threads, and draft contextual replies in your tone of voice.

Writer That Mimics Your Style

Generate emails, social posts, cover letters, SEO-optimised articles and other text while mimicking the user's writing style across multiple formats.

Web Page Monitor

Periodically check web pages for changes and notify users when updates occur.

Prebuilt Prompts & Automations

Access 100+ preconfigured page-aware automations and prompts for tasks like resume refinement, language practice, SMM content, code fixes and more.

Long-form Article Generation

Generate articles of 25,000+ words using multiple writing frameworks and iterative refinement steps.

Browser Automation & Scraping

Build automations that navigate websites, extract data, click buttons, fill forms and trigger IFTTT-like chains with Zapier, Make.com and n8n.

Multi-LLM Support & CloudGPT

Connect to many LLM providers (OpenAI, Claude, Gemini, Perplexity, DeepSeek, Meta Llama) and use HARPA CloudGPT available on S plan.

Midjourney & Prompt Wizard

Generate detailed image-generation prompts with 30+ templates and presets for Midjourney, DALL·E, Leonardo AI.

Language Wizard

Language learning assistant that corrects mistakes, explains grammar, builds learning plans and tests users across proficiency levels.

Quick Shortcuts

Keyboard shortcuts and quick actions (e.g., finish draft, check grammar, rephrase, translate) to speed up content workflows.

Privacy & Local Model Support

Supports local models like Meta Llama, claims not to log conversations, is GDPR compliant and can be paired with any LLM of choice.

Pricing

Free Tier Available

HARPA has a basic free tier and a demo period for its premium features.

Free / Basic

Free (basic free tier and demo period for premium features)
  • Basic functionality and demo of premium features

S plan

$12 per month (paid annually) — stated starting price
  • Includes CloudGPT connection, cloud command storage and chat history
  • Access to features like dialogue reuse across tabs

Browser Session Plus / ChatGPT Plus reference

$20 per month (Browser Session Plus / ChatGPT Plus referenced on the site)
  • Browser Session Plus and ChatGPT Plus referenced as paid upgrade options with per-session or rate limits

Use Cases

Productivity

Get instant AI assistance on Google Search, summarise web pages, rewrite text and extract structured data to accelerate research and daily tasks.

Marketing & SEO

Segment audiences, research keywords, create content calendars, perform AI-driven SEO audits and generate blog outlines and articles.

Learning

Create study plans, explain concepts, practice languages, generate quizzes and leverage the Language Wizard for grammar and corrections.

Copywriting

Generate all types of marketing and social content from tweets to long-form scripts and product descriptions using prebuilt prompts and templates.

HR & Recruiting

Improve resumes, write LinkedIn replies, generate cover letters and prepare job-related communications.

Product Development & Code Assistance

Write and inspect code, get answers to technical questions, and rewrite code between languages and stacks.

Integrations

OpenAI (ChatGPT / OpenAI API)

Use ChatGPT accounts or OpenAI API keys for generative AI features and GPT-5.4 access via API.

Anthropic Claude

Supported as an LLM provider for AI responses and workflows.

Google Gemini

Supported as an LLM provider.

Perplexity, DeepSeek, Meta Llama

Supported alternative LLM and search providers; Meta Llama can be used locally.

Zapier / Make.com / n8n

Trigger automation chains and integrate HARPA automations with external workflow platforms.

CloudGPT / CloudAI API

HARPA S plan includes CloudGPT and a CloudAI API for reliable access to models.

Benefits

Saves time by summarising long videos, PDFs and web pages and automating repetitive browser tasks.
Supports multiple LLM providers and local models for flexible AI connectivity.
Privacy-by-design claims: runs locally, does not store website data, and states GDPR compliance.
Integrates web automation with AI to both read and act on page content (scrape, click, fill forms).
Prebuilt prompts and automations reduce setup time for common workflows across marketing, SEO, learning and productivity.

Limitations

Firefox version is not available yet; planned for future releases.
Server API is a planned feature (not yet available).
Does not work with Google Sheets yet; some domains (e.g., Discord) may need browser fingerprint/protection adjustments.
YouTube transcripts might be unavailable for fresh or low-view videos; uBlock Origin can interfere and must be adjusted.
Installation issues (e.g., CRX_FILE_NOT_READABLE) can occur when installing CRX files manually or when some VPN protection features are enabled.

Frequently Asked Questions

What is HARPA AI?
HARPA AI is a browser extension powered by a hybrid AI engine that combines ChatGPT, Gemini, ClaudeAI, Perplexity and DeepSeek with web automation.
What is it used for?
HARPA automates copywriting, email management, web search, online data extraction and web monitoring tasks; it summarises content, drafts replies, extracts SEO keywords, automates form filling and more.
Is HARPA free?
HARPA has a basic free tier and a demo period for its premium features; the Basic S plan starts at $12 per month paid annually.
Do I need an OpenAI account?
Generative AI features require connection to AI service providers. You can use HARPA with a ChatGPT account, OpenAI API key, ClaudeAI, Google Gemini, OpenRouter and API keys, or CloudGPT on S plan.

Getting Started

  1. 1 Step 1: Add the HARPA AI extension to your browser (ADD TO BROWSER on the site).
  2. 2 Step 2: Configure AI connections — connect ChatGPT account, OpenAI API key, ClaudeAI, Google Gemini, OpenRouter or use HARPA CloudGPT (S plan) as described on the site.
  3. 3 Step 3: Use prebuilt prompts and automations or create custom AI Commands and prompt parameters to automate page-aware workflows.

Support

Docs / User Guides

User Guides and Videos are available on the site for onboarding and troubleshooting.

Contact form / Email

A contact form is available on the website to send messages to the HARPA team.

Community (Discord)

Product updates and community support are available via the HARPA Discord (referenced on the site).

API

Available: Yes
Documentation:

HARPA S plan includes a CloudAI API for access to OpenAI and ClaudeAI models; server API is planned. (Documentation referenced on site)

Compare HARPA AI with similar tools

See how it stacks up against alternatives

Related Tools

View all 672 →
Free
Offrun

Offrun

Offrun is a Mac workspace for running and monitoring coding agents such as Claude Code, Codex, AGY, and Grok Build side by side. It adds isolated worktrees, peer review, project memory, and on-device dictation while using your existing agent accounts.

AI Agents
Top source
Contact for pricing
Needle2

Needle2

Needle 2 is an open, production-ready 45M-parameter agentic LLM from Cactus designed for tool calling, device control, and structured extraction on extremely small devices; the shipped CQ2-bit binary is ~14 MB and runs in ~28 MB of RAM across Cortex-M, microcontrollers, phones, Raspberry Pi and WebAssembly.

AI Agents
Top source Enterprise-ready
Freemium
The cheapest GPU cloud

The cheapest GPU cloud

Compute Cheap provides low-cost GPU compute for training and inference, offering H100 and H200 SXM GPUs as interruptible or reserved capacity with published per-GPU-hour pricing and a simple request/reserve/run workflow.

AI Agents
Top source
Aclif

Aclif

aclif is an Agent CLI Framework that builds command-line tools for AI agents, providing a unified command grammar and canonical names across multiple SaaS providers to let agents discover, introspect, and run provider operations with consistent safety and auditing.

AI Agents
Top source
Freemium
Jotbus

Jotbus

Jotbus is an encrypted shared scratchpad for coding agents. Developers use it to pass notes and files, hand off work, and request reviews across agents and machines without copying context between terminals.

AI Agents
Top source
Free
Oodle.ai

Oodle.ai

Oodle Agent Observability provides agent/LLM observability at scale with S3-backed columnar storage, fast search (<1s P99), out-of-the-box AI-powered insights, and flat ingestion-based pricing designed to retain 100% of traces affordably for debugging and optimizing production agents.

AI Agents
Top source
Pod

Pod

Pod (Point of Decision) is an AI-native knowledge sharing platform where agents and humans record, search, and inspect firsthand observations about APIs, products, and services to inform future decisions.

AI Agents
Top source
Contact for pricing
Sentinel

Sentinel

Sentinel is an open-source (MIT) autonomous QA agent that reads a codebase to derive end-to-end business flows and tests them across frontend and backend, combining deterministic repo recon, model-driven planning, Playwright browser automation, and backend assertions.

AI Agents

Premium Alternatives

Paid
Ardent

Ardent

Ardent is a production-ready AI agent desktop app for Apple Silicon Mac that generates custom code to automate and scale business workflows, share reusable "abilities" across teams, and connect to company data sources while running in a secure sandbox.

AI Agents
Paid
Abliterated LLM provider for cyber tasks

Abliterated LLM provider for cyber tasks

Refuseless hosts GLM 5.3 Abliterated models through an OpenAI-compatible API for cybersecurity and coding work. The page states that prompts are not retained and shows integrations with OpenCode and Pi.

AI Agents
Enterprise-ready
Paid
PHNTM ONE

PHNTM ONE

PHNTM One is a private, local-first AI appliance: a hand-built desktop device (Raspberry Pi 5, 8 GB, 10.1″ touchscreen) that runs an on-device model (Gemma 3 4B) to provide a voice-capable assistant, memories, document reading, timers, Home Assistant integration and offline knowledge — sold as a one-time $549 purchase with no subscription and zero telemetry by default.

AI Agents
Paid
AletheionAGI

AletheionAGI

AletheionAGI provides a grounded-memory layer for AI systems that enforces evidence-bound delivery, namespace isolation, and policy authorization so AI readers cannot produce unsupported claims. It's targeted at production-facing use cases like customer support, commerce agents and internal copilots.

AI Agents
Paid
Pact0

Pact0

Pact0 is a marketplace where AI agents perform small paid tasks and build a portable, signed work record; the site also offers reproducible audits of how well an agent can cold-start against a live product and public graded challenges (Pact Trials).

AI Agents
Enterprise-ready
Paid
ClaudeThings

ClaudeThings

ClaudeThings provides a packaged, continuously-updating set of 89 specialized agents, 103 pre-built skills, and 181 slash commands that act as an AI engineering and marketing team for Claude Code — delivered as a private GitHub repo and installed with a single npx command. It adapts to any stack via a CLAUDE.md project manifest and is sold as a one-time purchase with lifetime updates.

AI Agents
Paid
Guesty

Guesty

Guesty is an AI-powered vacation rental property management platform that centralizes channel distribution, guest communication, revenue management, and operations for hosts and property managers of any scale.

AI Agents
Enterprise-ready
Paid
Keybe AI (Keybe INC)

Keybe AI (Keybe INC)

Keybe AI (Keybe INC) is an AI-powered sales suite that provides deployable 'AI salesperson' assistants and a Smart Chat sales platform (CDP, funnels, outbound, catalogs, metrics and flows) for businesses to automate customer service and increase conversions.

AI Agents

Explore Related Categories

Explore by Outcome