General-purpose AI assistants for research, writing and everyday questions.
OpenAI's general-purpose AI assistant
ChatGPT remains the most widely used AI assistant, valued for its versatility across writing, coding, research and image generation in one chat interface.
Pricing Free tier available; Go from $8/mo, Plus from $20/mo, Pro from $200/mo
Anthropic's AI assistant, known for careful, high-quality writing
Claude is frequently praised for natural, well-reasoned prose and a large context window, making it a favorite for long documents, writing and coding tasks.
Pricing Free tier available; Pro from $20/mo
AI answer engine with real-time, cited web search
Perplexity pairs an AI model with live web search and inline citations, positioning itself as a research-first alternative to traditional search engines, and now also ships its own AI-native browser, Comet.
Pricing Free tier available; Pro from $20/mo, Max at $200/mo
Google's AI assistant integrated across Workspace
Gemini is built into Gmail, Docs and Search, giving it deep access to a user's existing Google Workspace content for drafting and summarizing, backed by the largest context window among major assistants.
Pricing Free tier available; AI Pro from $19.99/mo (AI Plus from $4.99/mo)
All-in-one AI voice and text agents built for SMB sales automation
Dapta lets small businesses spin up AI voice and text agents in minutes to qualify leads, book appointments, and follow up with customers across calls, SMS, and WhatsApp.
Pricing Free tier (2K credits); paid plans from $99/mo, up to $1,499/mo for enterprise-scale credits and support
The conversational marketing chatbot built to turn website traffic into qualified leads.
A marketing-focused conversational chatbot that proactively approaches website visitors, qualifies them through branching conversation flows, and routes captured leads straight into a company's CRM and ad platforms.
Pricing Plans from $47/month up to $1,000/month; free tier with limited functionality; 14-day free trial on paid plans
Turns anonymous website traffic into identified, qualified sales pipeline.
An AI go-to-market platform that de-anonymizes website visitors, personalizes the site in real time for each account, and deploys an AI inbound agent to qualify visitors and book meetings — all tied back to the ad campaign that brought them in.
Pricing Plans start at $200/month (Growth tier); custom Enterprise pricing; no per-seat pricing; contact sales for a demo
One subscription, every major AI chatbot in one app
Poe is Quora's multi-model AI platform that gives users unified access to 100+ AI models — including GPT, Claude, Gemini, and Grok — plus millions of user-built bots, all through a single chat interface and subscription.
Pricing Free tier with daily limits; paid plans from $4.99/mo up to $249.99/mo based on monthly compute points
Turn your browser into an AI automation agent
HARPA AI is a Chrome extension that brings GPT, Claude, Gemini and other models directly into any webpage, letting users automate browsing tasks, monitor prices, extract data, and generate content without leaving their browser.
Pricing Free demo tier; paid plans from $12/mo (billed annually) up to $19/mo, plus a $240 lifetime option
AI automation that scrapes the web and fills your pipeline
Bardeen is an AI-powered workflow automation platform and browser extension that scrapes web and LinkedIn data, enriches and validates leads, and pushes clean data into CRMs and spreadsheets — automating go-to-market research end-to-end.
Pricing Free credits to start; Basic $10/mo, Premium $50/mo (or $480/yr), Enterprise custom
Speak naturally, get polished text in any app
superwhisper is a voice-to-text dictation app for Mac, Windows and iOS that transcribes speech in real time and uses AI to reformat it — as an email, message, or code prompt — directly into whatever app you're using.
Pricing Free tier available; Pro from $8.49/mo, $84.99/yr, or $249.99 lifetime
One shared memory across ChatGPT, Claude, and 21+ AI tools
MemoryPlugin gives AI chat tools a persistent, portable memory of your preferences and past conversations, so context follows you between ChatGPT, Claude, Gemini, and other platforms instead of resetting every session.
Pricing 7-day free trial; Core $89/yr, Pro $180/yr, Lifetime $400 one-time
AI homework helper and study tutor for any LMS
Apex Vision AI is a Chrome, iOS and Android study assistant that reads the question already on your screen in Canvas, Blackboard or any LMS and explains it step by step, plus generates flashcards, study guides and practice exams.
Pricing Free tier with 30 requests/day, no card required; paid plans $7.99-$19.99/mo based on monthly request volume and model accuracy tier.
Build an AI version of yourself that coaches clients 24/7
Coachvox AI trains a chatbot on a coach's own content, voice, and methodology so it can answer audience questions, capture leads, and support clients between sessions around the clock.
Pricing One all-inclusive plan at $83/month billed annually (monthly billing available at a higher rate); 14-day free trial, no long-term contract
One AI copilot that writes, reads, and remembers across every app
Flot.ai is a browser and desktop AI copilot that pops up inside any app or website to write, rewrite, translate, and summarize, while building a searchable personal knowledge base.
Pricing Free plan (100 credits/mo); Pro $9.99/mo, Pro Plus $14.99/mo, Unlimited $39/mo (monthly billing; higher list prices shown before discount)
One AI workspace, 700+ marketing flows, every model
Juma (formerly Team-GPT) is a collaborative AI workspace giving teams shared access to GPT-5, Claude, and Gemini plus 700+ pre-built marketing Flows that pull live ad and CRM data to deliver finished assets, not chat replies.
Pricing Free plan (unlimited users, limited credits); Pro from $49/mo or $20/user/mo, credit-based (5K-100K+ credits/mo); custom Enterprise plans with private cloud options.
No-code AI chatbots trained on your own content
MyBot.Chat lets businesses build a custom AI chatbot from their website, PDFs, Word/Excel files or Q&A data in minutes, powered by ChatGPT-4o or Llama 3, for customer support and lead generation without writing code.
Pricing Free plan (100 messages/mo); paid plans from $19/mo (Basic) to $199/mo (Premium) based on messages, chatbot count and white-labeling.
Conversational AI agents that make healthcare's phone calls for you
Outbound AI deploys voice-based virtual agents that automate phone-heavy healthcare revenue-cycle work like eligibility checks, prior authorization, and claims follow-up, teaming up with human billing staff.
Pricing No public pricing; enterprise/custom quotes via demo request only
The privacy-first AI assistant that deletes your data on exit
R2 Copilot is a GPT-powered AI assistant delivered as an add-in for Outlook, Word, Excel, PowerPoint and Telegram that encrypts prompts on-device and discards them the moment you close the app.
Pricing Paid subscriptions with multiple membership tiers (reported starting around $29/month); monthly and annual billing offered, exact tiers require checking the live pricing page
AI customer service agent pitched for plant hire and skip firms
Reggie was described as an AI customer-service assistant for the plant hire and skip hire industry, handling quote and booking enquiries by phone and chat, but its site could not be independently verified as live.
Pricing Unverified — reggie.ai is currently listed for resale via GoDaddy, no live pricing page found
24/7 AI homework helper and essay writing assistant for students
StudyMonkey is an AI study assistant that gives step-by-step homework help, exam prep, and essay writing support across 100+ subjects, with a free tier and low-cost paid plans for students.
Pricing Free Basic plan (100 questions/mo, 5 subjects); paid plans from $7/mo (Plus) to $24/mo (Max), plus custom Enterprise pricing; 7-day money-back guarantee and 14-day trial on premium plans
An AI employee that answers every call and chat, 24/7
TalkSmart.ai is an AI voice and chat agent for small businesses that answers inbound calls, texts back missed leads across SMS, Facebook, Instagram and Google, and books appointments automatically.
Pricing Essential Plan at $297/month, includes the AI voice employee, call recordings, lead conversion, and post-call follow-up; higher tiers available on request
AI trip planner built on real traveler tips, not scraped lists
Tripsora is an AI travel-planning assistant that generates personalized day-by-day itineraries in under two minutes, drawing on real traveler experiences, current prices, and local insider tips across 148+ countries.
Pricing Free plan (2 lifetime itineraries, up to 3 days); Starter £7.99/itinerary (up to 7 days); Explorer £9.99/itinerary (up to 14 days) — pay-per-trip, no subscription
Practice speaking English with an AI conversation buddy daily
Vocalo is an AI speaking-practice app that holds live spoken conversations with learners, giving real-time feedback on grammar, vocabulary, and fluency to build confidence in 30 minutes a day.
Pricing Free tier; Standard $15/mo; Premium $25/mo (yearly saves 20%, lifetime plan also available)
Talk to ChatGPT hands-free on Android with hotword activation
VoiceGPT is a third-party Android app that wraps ChatGPT's models in a voice-first interface, letting users speak prompts and hear spoken replies via a customizable hotword and floating bubble.
Pricing Free with ads and message limits; in-app subscription removes ads/limits (exact tier price not publicly listed on store page)
An AI tutor built specifically for calculus, physics, chemistry, and other STEM coursework
ThetaWise is an AI study platform for STEM students that solves problems step-by-step, generates video explainers, flashcards, and quizzes, and offers a guided 'tutor mode' instead of just handing over answers.
Pricing Free tier with limited daily messages and basic solving; Pro subscription starts at $9.99/week, or $19.99/month and $119.99/year for unlimited messages, the advanced solver, PDF uploads, and priority response times.
A legal-savvy AI chatbot that answers with real case citations
LegesGPT is an AI chatbot trained on case law, statutes, and legal precedent that answers legal questions with sourced citations, and also reviews contracts and drafts legal documents on request. It's built for anyone who needs jurisdiction-aware legal answers faster than a generic chatbot or a traditional research subscription can deliver.
Pricing Freemium-style trial (no permanent free tier): 3-day trial for $1, then Basic $19.99/mo, Plus $49.99/mo, Premium $99.99/mo (each roughly 30% cheaper billed annually), plus a custom-priced Enterprise plan for firms; no refunds once the trial period ends.
Open-source, self-hosted AI chat that turns your own files into a private, searchable assistant
AnythingLLM is an open-source (MIT-licensed) AI chat platform you run yourself, either as a free desktop app or a self-hosted Docker server, that lets you chat with your own documents (RAG), build no-code agents, and plug in almost any LLM provider or local model. A paid AnythingLLM Cloud tier exists for people who want a hosted, managed instance instead of running it themselves.
Pricing Free forever if self-hosted (MIT license, desktop app or Docker, no token/document limits). AnythingLLM Cloud (hosted for you) starts at $50/mo for the Basic plan (you supply your own LLM API key), $99/mo for Pro (higher usage tier, 72-hour support SLA), and custom-quoted Enterprise pricing for on-prem/SSO/RBAC deployments. No free trial was listed for the cloud plans as of this check.