Best AI Chatbot Assistants · FREE
Best free AI Chatbot Assistants (2026)
7 ai chatbot assistants that offer a genuine free plan, ranked by entry price. Every figure links to the public page it was captured from — the vendor's own wherever the vendor publishes the number, otherwise the named public source — with the date we captured it.
Key takeaways
- Cheapest: ChatGPT at $0/mo.
- Qualifying: ChatGPT, Claude, Google AI (Gemini), Grok (xAI), Microsoft Copilot, Mistral Vibe (Le Chat), Perplexity.
- Data current through: 2026-11-01. STALE marks a row whose price we have not re-checked at its source in over 30 days; a vendor with no published price is marked when any of its plans is. 3 of 7 rows below are marked.
Comparison
| # | AI Chatbot Assistant | Entry price | Free | HIPAA | SOC 2 | Best for | Source |
|---|---|---|---|---|---|---|---|
| 1 | ChatGPT STALE · 2026-09-05 | $0/mo | Yes | — | Yes | general-purpose AI assistant | chatgpt.com |
| 2 | Claude | $0/mo | Yes | Yes | — | long-context document analysis | claude.com |
| 3 | Google AI (Gemini) | $0/mo | Yes | — | — | Google Workspace users | gemini.google |
| 4 | Grok (xAI) | $0/mo | Yes | — | — | X (Twitter) power users | x.ai |
| 5 | Microsoft Copilot | $0/mo | Yes | — | — | Microsoft 365 power users | en.wikipedia.org |
| 6 | Mistral Vibe (Le Chat) STALE · 2026-09-26 | $0/mo | Yes | — | — | European users and EU data-residency requirements | mistral.ai |
| 7 | Perplexity STALE · 2026-09-02 | $0/mo | Yes | — | — | real-time research with citations | techcrunch.com |