Free plans only

8 Best Free AI Chatbots of 2026

By the Rankozo research desk · Updated November 6, 2026

8 of the 8 tools in our best ai chatbots ranking offer a permanent free plan. Gemini scores highest among them at 9.2 out of 10.

01
Gemini
People who want the most capable free tier and the cheapest paid upgrade, especially if they already use Gmail and Drive.
Free plan; Google AI Plus $4.99 per month, Google AI Pro $19.99 per month
Full entry, No. 1 overall
Paid from
$4.99
Score 9.2
02
Claude
People who write, research or code with an assistant for hours a day and want Projects and Claude Code in one plan.
Free plan; Pro $17 per month billed annually ($200 up front) or $20 monthly
Full entry, No. 2 overall
Paid from
$17
Score 9.1
03
ChatGPT
People who want the broadest free tier and the widest mix of tools, from image creation to Codex.
See vendor pricing (USD check pending)
Full entry, No. 3 overall
Paid from
Free plan
Score 9.0
04
Microsoft Copilot
People who want an AI assistant inside Word, Excel, PowerPoint and Outlook along with cloud storage.
Free Copilot; Microsoft 365 Personal $9.99 per month with Copilot in Office apps; 1-month free trial
Full entry, No. 4 overall
Paid from
$9.99
Score 8.7
05
Perplexity
People who mainly use a chatbot for research and want sources cited in every answer.
Free plan; Pro $17 per month equivalent billed annually; Max $167 per month billed annually
Full entry, No. 5 overall
Paid from
$17
Score 8.6
06
Grok
People who follow news and trends on X and want answers that draw on live posts.
Free plan; Plus $8 per month, Premium $30, Super $100
Full entry, No. 6 overall
Paid from
$8
Score 8.5
07
Mistral Vibe (Le Chat)
People who want a European AI assistant with coding tools and a low-cost Pro plan.
Free plan; Pro $14.99 per month excluding taxes; Team $24.99 per user per month
Full entry, No. 7 overall
Paid from
$14.99
Score 8.2
08
Poe
People who want to compare answers from many AI models without paying for several subscriptions.
See vendor pricing (USD check pending)
Full entry, No. 8 overall
Paid from
Free plan
Score 8.0