Bolna
Best For
Businesses looking to automate outbound and inbound voice calls with human-like AI agents.
Not Ideal For
Users looking for simple text-to-speech tools or basic IVR systems without conversational intelligence.
Pros & Cons
- Ultra-low latency for natural-sounding conversations
- Supports multiple languages and regional accents
- Deep integration with CRM and scheduling tools
- Highly customizable agent personas and scripts
- Built-in analytics for call performance tracking
- Requires technical knowledge for complex API integrations
- Voice AI can still struggle with very heavy background noise
- Initial prompt engineering is needed to prevent hallucinations
Key Features
Voice AI Agents
Create autonomous agents that can handle full-duplex, human-like voice conversations.
Real-time Latency Optimization
Proprietary tech to ensure responses happen in under 500ms for a natural flow.
Multilingual Support
Communicate with customers in over 50 languages with native-level fluency.
Campaign Management
Schedule and execute large-scale outbound calling campaigns with automated follow-ups.
Knowledge Base Integration
Upload PDFs or link URLs so the AI can answer specific questions about your business.
Pricing Breakdown
Bolna is an open-source framework, free to use. Users are responsible for costs associated with integrated third-party LLM, STT, and TTS services, as well as hosting and deployment.
Pricing verified Aug 9, 2026
⚠️ Pricing is subject to change. Always verify current pricing on the tool's official website before purchasing.
Free Tier
- storage
- Limited log retention
- features
- Access to standard voices only, no custom API hooks
- requests
- 10 minutes of talk time for testing
Integrations
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