The best AI chatbots in 2026

Anthropic's AI assistant, a benchmark for writing and coding.

Pro plan from €18/month. Free plan available.

The world's most popular AI chatbot, built by OpenAI.

Plus plan from $20/month. Free plan available.

Google's AI, built into its entire ecosystem.

Google AI Pro from €21.99/month. Very complete free plan.

Free, unlimited AI chatbot with very capable open-weight models.

Free, unlimited chat. Pay-as-you-go API from $0.14 per million tokens.

The AI search engine that answers with cited sources.

Pro from $20/month. Generous free plan.

Mistral AI's European chatbot: fast, capable and cheaper than ChatGPT.

Free plan (~25 messages/day). Pro $14.99/month, Team $24.99/month.

Moonshot AI's chatbot with leading open models for coding.

Free chat at kimi.com. Paid plans from $19/month. Pay-as-you-go API, one of the cheapest on the market.

Alibaba's free chatbot, with open-weight models.

Free web chat with no caps. Open models under Apache 2.0; Alibaba Cloud API is pay-as-you-go.

xAI's chatbot (Elon Musk) with real-time information from X.

Free plan with limits. SuperGrok Lite $10/month, SuperGrok $30/month, Heavy $300/month.

Reach ChatGPT, Claude, Gemini and dozens of models in one app.

Free plan with 3,000 points every few hours. From $4.99/month to $249.99/month depending on points. ~17% cheaper annually.

Microsoft's AI assistant, free and built into Windows.

Free with limits at peak times. Microsoft 365 Premium $19.99/month (replaces the old Copilot Pro).

Chat with millions of AI characters or create your own.

Free with ads and limits. c.ai+ $9.99/month (or $94.99/year).