Best AI Chatbot Builders in 2026

Custom AI chatbots help businesses automate customer support, lead generation, and engagement. These chatbot builders let you create AI-powered bots without coding.

Top Chatbot Builders

Tool	Price	Best For
Botpress	Free / $15/mo	Overall best builder
Voiceflow	Free / $50/mo	Conversational design
ManyChat	Free / $15/mo	Instagram & Facebook
Chatfuel	$14.99/mo	WhatsApp & Messenger
Landbot	Free / $40/mo	Website chatbots
Tidio	Free / $29/mo	Ecommerce
Stack AI	Free / $199/mo	Enterprise AI workflows

1. Botpress

The most powerful open-source chatbot builder with built-in AI understanding. Visual flow builder, knowledge base integration, and multi-channel deployment.

• Visual builder + code customization
• Built-in NLU and LLM integration
• Free tier with 2,000 messages/month

2. Voiceflow

Designed for conversational AI teams. Build, prototype, and deploy AI assistants across web, mobile, and voice platforms.

• Professional conversation design tools
• API integrations and custom actions
• Team collaboration features

3. ManyChat

The leading chatbot for Instagram and Facebook Messenger marketing. Automate DM responses, story replies, and lead generation.

• Instagram and Facebook automation
• SMS and email integration
• Easy visual flow builder

4-7: More Options

Chatfuel — WhatsApp and Messenger specialist. Landbot — Conversational landing pages and website bots. Tidio — Ecommerce chatbot with Shopify integration. Stack AI — Enterprise AI workflow builder.

FAQ

Best chatbot builder?

Botpress for overall. Voiceflow for design teams. ManyChat for social media.

Can I build without coding?

Yes, all listed tools offer visual no-code builders.

How much do chatbots cost?

Free tiers available. Paid plans $15-150+/month depending on features and volume.

Final Verdict

Botpress offers the best combination of power, flexibility, and free tier. ManyChat is essential for social media marketing. Voiceflow suits professional conversational AI teams.