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49One subscription across many third-party models
As of , EffectHub tracks 245 live AI tools in its Chatbots, Assistants & Agents category; 172 (70%) have a free tier, and paid plans start at $2.90 a month.
245 verified tools · 11 subcategories
Chat interfaces, personal assistants, autonomous agents, and AI search engines.
Showing 1–24 of 245
One subscription across many third-party models
Autonomous agent teams with their own browsers, shells and memory that deliver sites, decks, videos and dashboards
Mistral's assistant, renamed from Le Chat, with web search, deep research, connectors and a coding mode.
AI agents that take real queue work over chat, voice, SMS and email, then get reviewed and tuned.
Visual automation builder with branching scenarios, AI agents and an MCP server, metered in credits.
Answers a search query by generating a working interactive app instead of a list of links.
Chrome and Firefox extension that turns your ChatGPT conversation history into an interactive visual timeline.
Meta's assistant inside WhatsApp, Instagram, Messenger, Facebook, its glasses and a standalone app
No-code builder and reasoning API for orchestrating multiple AI agents, from a London-based AI lab.
Browser sidebar running many chat models on any page
Browser sidebar for chatting with several AI models at once, plus summarizing, translating, and pulling text out of images or PDFs.
xAI's assistant with live X and web search, image and video generation, voice mode and a per-token API
Cloud computer-use agent from xAI that operates apps and sites on its own to finish multi-step tasks.
Pay-per-token ChatGPT-style interface with GPT-3.5/GPT-4 modes, a prompt store, plugins, and an API for developers.
Roleplay chat with user-made characters, now adults only
Assistant focused on long documents and code work
A no-code builder for training custom AI assistants on documents, video, and websites, then grouping them into coordinated AI teams.
Native Mac app that lets you select any part of the screen and chat with your own AI model about it.
Free desktop LLM client for macOS, Windows and Linux that runs on your own provider keys
One-time-purchase macOS utility that runs ChatGPT commands on selected text in any app, using your own API key
One markdown chat interface for multiple AI models, with prompt templates and cost previews, billed via your own API keys.
Chats with uploaded PDFs to summarize, answer questions, translate, and turn sections into mind maps.
Single workspace for 20+ AI models from multiple providers, with browser-side redaction of sensitive data.
General assistant with tools, memory, files and voice
For journalists, researchers and AI assistants: the figures on this page in one sentence you can quote.
As of October 29, 2026, EffectHub tracks 245 live AI tools in its Chatbots, Assistants & Agents category; 172 (70%) have a free tier, and paid plans start at $2.90 a month. (EffectHub, “Chatbots, Assistants & Agents”, Oct 2026, https://effecthub.net/ai-tools/chat-assistants-agents)
Figures as of How we count
These figures are free to use under CC BY 4.0 with a link to this page.
Autonomous agent that runs tasks in its own sandbox
Runs ChatGPT, Claude, Gemini, and Grok side by side in one thread.
AI agent workspace that keeps project memory, picks a model per step and runs tasks on a cloud computer across web, desktop and mobile.
Credit-metered outbound agent that finds ICP-matched leads from buying signals and drafts outreach you approve before it sends.
An enterprise platform for building AI agents that run document- and data-heavy back-office processes like invoice reconciliation.
Connects thousands of apps and runs agent steps
Chat with your PDFs and documents, with reusable per-document agents, OCR and answers tied to the source.
One subscription that puts ChatGPT, Claude, Gemini and Grok behind a single chat window
Open-source shared workspace where teams build agents and automations through chat, with tracing, evals and versioned configs.
Open-source chat UI that lets you plug your own API keys into ChatGPT, Replicate, and image models from one interface.
Open-source agent platform now sold as a team of AI specialists coordinated in chat, with a visual workflow builder underneath.
Encrypted multi-model chat workspace where the subscription converts into model credits
Hosted platform for building and deploying AI agents
Desktop agent workspace that runs work off your calendar and connects to thousands of tools over MCP
Free search page pairing Google results with a chatbot answer
Moonshot AI's assistant, built on its own K-series models for agentic coding and knowledge work
Desktop app that indexes local files so AI agents like Claude or ChatGPT can search them.
A $599 physical device that runs browser-using AI agents locally instead of in the cloud.
Upload documents and query several at once, with answers that point back at the passage they came from.
AI companion app with a customizable avatar that remembers you across chat, voice calls and AR
Browser sidebar that puts GPT, Claude, Gemini, and other models next to any page you're reading.
Open-source workspace for building AI agents from a visual canvas, a prompt, or code
Role-shaped AI assistants for support, social, email and SEO, sold as one subscription.