Freemium AI tools for Chatbots, Assistants & Agents

One subscription across many third-party models

Mistral's assistant, renamed from Le Chat, with web search, deep research, connectors and a coding mode.

Meta's assistant inside WhatsApp, Instagram, Messenger, Facebook, its glasses and a standalone app

Chats with uploaded PDFs to summarize, answer questions, translate, and turn sections into mind maps.

One control plane for AI agents: shared sessions, memory, skills and API keys across frameworks and devices

xAI's assistant with live X and web search, image and video generation, voice mode and a per-token API

Autonomous agent that runs tasks in its own sandbox

Browser sidebar running many chat models on any page

Chat with your PDFs and documents, with reusable per-document agents, OCR and answers tied to the source.

Open-source shared workspace where teams build agents and automations through chat, with tracing, evals and versioned configs.

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

A no-code builder for training custom AI assistants on documents, video, and websites, then grouping them into coordinated AI teams.

Desktop agent workspace that runs work off your calendar and connects to thousands of tools over MCP

Desktop app that indexes local files so AI agents like Claude or ChatGPT can search them.

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.

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

Routes work requests to specialized AI agents instead of one general chatbot.

Consumer chatbot with 70+ preset characters and writing tools on web, iOS and Android

macOS assistant that reads what is on your screen and acts on it from a spoken command

Ad-free conversational search that answers instead of listing links

Multi-model AI butler that shops, books, and researches for you inside one chat thread.

Hire AI agents like staff: each gets its own sandboxed computer, drive and skills, billed per agent per month

Runs unattended AI agents on a schedule, defined in Markdown, with memory carried between runs.

Open-source desktop app where AI agents work through multi-step tasks alongside you, with approval steps and your choice of model.

Chrome sidebar that opens on any page with several chat models in one panel.

Moonshot AI's assistant, built on its own K-series models for agentic coding and knowledge work

Turns a written spec into a deployed AI agent you call as a REST API, with model routing and execution logs built in.

General-purpose agent that plans and runs multi-step tasks, returning slides, docs, sites or research.

Enterprise control plane for AI agents: build them, simulate them, then govern and trace them in production.

An open-source hybrid search engine that blends a personal knowledge base with live web results into one answer.

Multi-model AI assistant living in a browser sidebar

Open-source desktop harness that runs Claude Code, Codex and ten more terminal agents as one office of clones on your machine

Sends tasks over WhatsApp, Telegram, Slack, iMessage, or email and Notis carries them out across 1,000+ connected apps.

Anime-style 3D AI companion with voice replies, free to use with a paid tier for deeper customization.

Open-source AI agent workspace that combines team chat, meeting notes, app building and routing across frontier models.

Company AI workspace that runs models from several providers, documents, agents and scheduled workflows against your CRM and databases.

Mention it in Slack, Teams, GitHub, Linear or email and it picks the task up, then reports back

An AI agent team that finishes multi-step business tasks like reports and campaigns across 1,000+ connected apps.

Browser extension that adds a context-aware AI chat, backed by 100+ models, to any web page

Bring-your-own-key chat front end for GPT, Claude and Gemini

Pay-as-you-go access to 60+ AI models with no subscription, priced per task instead of a monthly seat.

Chat with PDFs, Word files, websites, and YouTube videos, then get sourced answers instead of skimming.

AI agent platform for solo founders and small businesses to automate research, follow-ups, and admin tasks.

Browser-based autonomous agent that splits a written goal into tasks and runs them in a loop

Desktop chat client for Mac, Windows and Linux that calls ChatGPT, Gemini and other models from a shortcut over any app

Multi-model chat, image and video app — the AmigoChat brand now ships as Overchat AI

A downloadable AI companion with persistent memory that runs locally across desktop, mobile, and chat apps.

No-code support chatbots trained on your own documents

No-code chatbot and agent builder that publishes to WhatsApp, Messenger, Slack, Telegram, SMS and a website widget.

Roleplay chat with user-made characters, now adults only

General assistant with tools, memory, files and voice

Assistant focused on long documents and code work

Open-source Python framework for role-based agent crews and event-driven flows, with a hosted platform for running them

Open-weight reasoning models with a free chat app

Chat-driven agent that runs one-off and scheduled tasks across roughly 1,500 connected apps.