Compare other tools Tool Botpress Retell AI Price From $150/month, billed annually$1800/year billed annually Usage-based pricing Free plan Free plan Free trial Best for Developer teams that need a fully customizable chatbot platform Organizations that want to self-host their chatbot for data control Building complex multi-turn conversational flows Automating inbound customer support phone calls Running outbound AI calling for lead qualification or appointment reminders Developers building voice AI without managing telephony infrastructure Ease of use Takes some experience Takes some experience Key features Visual flow builder and code-level customization LLM integration across multiple providers Self-hosting or cloud deployment Multi-channel (web, WhatsApp, Telegram, voice) API and webhook integration Low-latency voice AI with natural interruption handling Inbound and outbound call support Built-in telephony (no separate provider needed) Flow and LLM-based agent configuration Call analytics and transcripts Integrations WhatsApp, Telegram, Slack, Zendesk, Salesforce, Zapier Twilio, Zapier, HubSpot, Salesforce API Available Available Skill level Intermediate, Advanced Intermediate, Advanced Platforms Web, API Web, API Main advantages Open-source core with full customization capability Self-hosting option for data privacy requirements Multi-channel deployment from a single bot definition Handles full phone call automation with low latency Includes telephony, so no separate provider is required Flexible agent configuration for different use cases Main disadvantages Requires developer skill to unlock its full potential Cloud platform pricing can rise with message volume Usage-based pricing makes costs harder to predict at scale Requires developer involvement to set up and tune agents Data checked Checked October 4, 2026 Checked October 4, 2026 Try Botpress Try Retell AI
Which one to choose Choose Botpress if Developer teams that need a fully customizable chatbot platform Organizations that want to self-host their chatbot for data control Building complex multi-turn conversational flows Read review
Choose Retell AI if Automating inbound customer support phone calls Running outbound AI calling for lead qualification or appointment reminders Developers building voice AI without managing telephony infrastructure Read review
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