Bolna.ai
Bolna.ai — Open-source voice agent framework for building multilingual telephone AI assistants with telephony integration.
Our Verdict
The pragmatic OSS alternative when Vapi and Retell feel too closed or expensive.
Pros
- Open-source — avoids vendor lock-in
- Multilingual telephony out of the box
- Twilio and Plivo integrations ready
Cons
- Self-hosting requires ops investment
- Latency depends on underlying LLM choice
- Community smaller than Vapi or Retell
When to Use Bolna.ai
Good fit if you need
- Building multilingual telephone AI assistants with open-source stack
- Integrating voice agents with Twilio or SIP telephony systems
- Running automated outbound call campaigns with AI voice
- Prototyping conversational IVR replacements for SMBs
Pricing
Price wrong?Bolna.ai Pricing
- Pricing Model
- free
- Free Tier
- Yes
- Entry Price
- —
- Enterprise Available
- No
- Transparency Score
- —
Beta — estimates may differ from actual pricing
Estimated Monthly Cost
$25
Estimated Annual Cost
$300
Estimates are approximate and may not reflect current pricing. Always check the official pricing page.
Lock-in Assessment
🔄 Thinking about migrating off Bolna.ai?
Get an AI-drafted migration plan + a copy-paste email to Bolna.ai support requesting a data export. Pick where you're moving to and tell us your context.
Looking for alternatives to Bolna.ai?
Answer 4 quick questions — get an AI-ranked shortlist of tools that match your stack and requirements.
Open AI Tool FinderCommunity Discussion
Comments powered by Giscus (GitHub Discussions). You need a GitHub account to comment.