52 tools in Chatbots & Assistants with a free plan, as shown on each vendor's own pricing page. 38 of them were read and verified on the vendor's page; the rest carry their check status so you can see how sure we are.
Listed A to Z, not ranked. A free plan usually has limits (credits, watermarks, exports); the line under each price says what we found. Free trials are not counted as free plans. Checked up to 11 Nov 2026.
All-in-one app to chat with your documents using any LLM. Desktop and self-hosted Docker versions are free and open source; hosted Cloud instances and an optional Pro add-on are paid.
General-purpose AI assistant from OpenAI for chat, writing, analysis, images and voice. Has a free tier and several paid tiers that raise usage limits.
Chat with PDFs and other documents: upload a file and ask questions, get summaries, flashcards, slides and cited answers. Free plan limits you to a few documents a day; Plus removes the limits.
Paid price not foundFree plan: 2 documents per day
AI assistant from Anthropic for chat, writing, analysis and coding help, with a free tier and paid tiers that raise usage limits. Pro includes the Claude Code coding tool.
Community platform for sharing AI prompts and AI characters. Browsing and using the library is free; its Emochi companion app has paid Plus and Ultra tiers.
Google's AI assistant, free with a Google account. Paid Google AI plans raise usage limits and bundle cloud storage and AI features inside Gmail, Docs and other Google apps.
Free desktop app from Nomic that runs open-source chat models on your own laptop with no internet, plus LocalDocs for chatting with your files. No account or key needed.
Open-source desktop app that runs AI models locally and offline on Mac, Windows and Linux, with optional connections to cloud models. Free, with no subscription.
Moonshot AI's Kimi assistant with agent, deep research and coding features. Free tier and paid memberships; the Kimi API is billed separately by the token.
Open-source ChatGPT-style web app you host yourself and connect to OpenAI, Anthropic, Google, local models and more with your own API keys. Supports agents, file chat, image tools and multi-user logins.
Desktop app for running local AI models privately on your own computer, now with Bionic, an optional cloud-model add-on. The app is free for home and work use.
Open-source AI chat framework and hosted LobeHub Cloud with agents, knowledge bases and many models. A free cloud tier uses monthly credits; paid plans add usage allowances and storage.
From $20/mo (Plus)Free plan: 500,000 credits per month
Microsoft's AI assistant, free in the Copilot app and built into Word, Excel, PowerPoint and Outlook on Microsoft 365 plans. Paid plans raise the usage limits and add Office apps and cloud storage.
No-code builder for AI agents and multi-agent workflows that you publish by link or embed. All paid plans allow unlimited agents; usage is metered in AI credits.
From $49/mo (Pro)Free plan: 100 AI credits per month
Mistral's AI chat and agent for work and code, formerly called Le Chat. A free plan is available; Pro and Team raise limits and add the Vibe coding agent.
Desktop app for chatting with local and online AI models in one place. The core is free; Aurum adds advanced features and Studio Web, billed yearly or as a lifetime licence.
Tool for running open AI models on your own computer, with an optional cloud for larger models. Local use is free and unlimited; cloud plans include a monthly pool of usage credits charged per token.
Self-hosted AI chat interface that works with Ollama and any OpenAI-compatible API. Free for any number of users while its branding stays intact; Enterprise licences add white-labelling and support.
Answer engine that searches the web and replies with cited sources. Free tier covers core search; paid plans add more in-depth searches, file uploads and advanced models.
From $10/mo (Education Pro)Free plan: 3 Pro Searches per day
AI search and answer engine aimed at developers, with web-grounded answers and code help. Prices below come from third-party trackers, not Phind's own pricing page.
AI customer support chatbot trained on your website, docs and files, with built-in live chat, human handoff, model choice (OpenAI, Anthropic, Google, xAI) and a free plan.
Video AI platform for real-time conversational AI humans and personalised video generation by API, with stock and custom replicas, a persona builder and enterprise compliance options.
Open-source no-code platform for AI chatbots and live chat across web, WhatsApp and other channels. Cloud plans are priced in euros; the open-source version can be self-hosted.
Platform for designing, testing and shipping chat and voice AI agents, with model choice and a knowledge base. You pay a monthly plan fee plus credit-based usage.
Enterprise conversational AI platform for customer and employee service across chat, voice, email and WhatsApp, with a Freemium plan and quote-only Premium plans.
Paid price not publishedFree plan: 5,000 bot conversations per month