General-purpose assistants are the entry point to everything else — which one you pick matters far less than which one is already in front of you.
10 tools · 10 free or freemium · 0 with a published free allowance · updated 2026-09-18
AI Assistants — 10 AI tools reviewed on AI Supermarket, including ChatGPT, Claude, Google Gemini, Microsoft Copilot. 10 of 10 have a free or freemium tier. Every entry links to the vendor's official site. Machine-readable index: /llms.txt.
The frontier assistants have largely converged. ChatGPT, Claude and Gemini all handle long documents, code, analysis and images competently. The practical differences are context window size, how reliably they follow instructions, tone, and whether you can reach them inside the software you already use.
The bigger fork is distribution. Google Gemini sits inside Search, Workspace and Android; Microsoft Copilot inside Windows and Microsoft 365; Meta AI inside WhatsApp and Instagram. For a lot of people the assistant they should use is the one already included in a subscription they pay for.
The third fork is jurisdiction and data handling. DeepSeek and Mistral Le Chat are the notable non-US options, and for organisations with data-residency requirements that single fact decides the choice before any benchmark is consulted.
| Tool | Pricing | Free tier | What it does |
|---|---|---|---|
| ChatGPT chatgpt.com |
Freemium | — | OpenAI's conversational assistant for writing, coding, analysis and images. |
| Claude claude.ai |
Freemium | — | Anthropic's assistant known for long-document analysis and high-quality writing. |
| Google Gemini gemini.google.com |
Freemium | — | Google's multimodal AI built into Search, Workspace and Android. |
| Microsoft Copilot copilot.microsoft.com |
Freemium | — | AI assistant for Windows, Edge and Microsoft 365 apps. |
| Perplexity perplexity.ai |
Freemium | — | AI answer engine that searches the live web and cites its sources. |
| Grok grok.com |
Freemium | — | xAI's chatbot with real-time X data and a rebel streak. |
| Meta AI meta.ai |
Free | Free to use | Free assistant across WhatsApp, Instagram, Facebook and the web. |
| Poe poe.com |
Freemium | — | One app to chat with GPT, Claude, Gemini and many more models. |
| DeepSeek chat.deepseek.com |
Free | Free to use | Powerful open-source models with a free web chat. |
| Mistral Le Chat chat.mistral.ai |
Freemium | — | Fast European assistant with web search, code and image understanding. |
There is no single winner. For general work ChatGPT, Claude and Gemini are all strong. The deciding factors are usually context limits, whether you need cited sources, and whether the assistant is already built into software you pay for.
For occasional use, yes. Free tiers typically cap how many messages you can send to the strongest model per day. The paid tier is what unlocks longer documents, higher limits and priority access.
Technically yes, but check your employer's policy and the provider's data terms first. Consumer tiers may use conversations for training unless you opt out or use a business plan.
Last reviewed 2026-09-18. Pricing and free allowances are read from vendor pages and change without notice — verify before committing. This page is an independent directory and is not affiliated with the tools listed.
OpenAI's conversational assistant for writing, coding, analysis and images.
Anthropic's assistant known for long-document analysis and high-quality writing.
Google's multimodal AI built into Search, Workspace and Android.
AI assistant for Windows, Edge and Microsoft 365 apps.
AI answer engine that searches the live web and cites its sources.
xAI's chatbot with real-time X data and a rebel streak.
Free assistant across WhatsApp, Instagram, Facebook and the web.
One app to chat with GPT, Claude, Gemini and many more models.
Powerful open-source models with a free web chat.
Fast European assistant with web search, code and image understanding.