Open source focus
Open Source Alternatives to Bantly
60 open source Voice AI options similar to Bantly, ranked by named competitors first, sector overlap, and our 0-100 AI-readiness score. Each profile notes license and self-hosting where we have it.
Bland64Voice AISan Francisco, United States$51.0MOpen source
Cognigy (NICE)63Voice AgentDüsseldorf, GermanyOpen source
Voca.ai54SpeechTel Aviv, Israel$6.1MOpen source
- COCognigy50Voice AgentDüsseldorf, Germany$156.5M
Open source
Coqui48Voice AIBerlin, Germany$2.0MOpen source · Self-hostable
Cekura40Agentic AITel Aviv, IsraelOpen source
Metadialogues15Conversational AIOpen source
Google Cloud Text-to-SpeechVoice AIMountain View, United StatesOpen source
GetpointVoice AITel Aviv, IsraelOpen source
Vapi65Voice AISan Francisco, United States$74.3MOpen source
Sendbird61Conversational AISan Mateo, United StatesOpen source
Nomi57AI CopilotSan Francisco, United States$180.0MOpen source
Resemble AI55Voice AINew York, United States$36.5MOpen source
Rasa49Conversational AIBerlin, Germany$13.0MOpen source · Self-hostable
Saperly43Voice AISan Francisco, United States$2.0MOpen source
- BLBlip41Voice AISão Paulo, Brazil$10.0M
Open source
Brieflow19Conversational AILondon, United KingdomOpen source
Lionwire17Voice AIOpen source
Mirrorfly11Agentic AIOpen source
DomulisConversational AILondon, United KingdomOpen source
- CallrichVoice AI
Open source
DhvanixVoice AIBengaluru, IndiaOpen source
SynchumanVoice AITel Aviv, IsraelOpen source
Denser AIAI ChatbotTel Aviv, IsraelOpen source
RevochatConversational AIOpen source
XallarapConversational AIOpen source
IbodycamVoice AIOpen source
LetustalkVoice AIOpen source
- QmogConversational AI
Open source
Cartesia64Voice AISan Francisco, United States$191.0MOpen source
Genesys Cloud CX64Contact Center AIDaly City, United States$3.9BOpen source
Meaning55Artificial IntelligenceTel Aviv, IsraelOpen source
Leo54FintechNew York, United States$6.6MOpen source
Vocode50Open SourceSan Francisco, United States$3.8MOpen source · Self-hostable
- OBOBOt AI49Conversational AITel Aviv, Israel$5.0M
Open source
- SASales Interaction Agent47Agentic AISan Francisco, United States$5.0M
Open source
Lucida AI46Artificial IntelligenceSan Francisco, United States$7.0MOpen source
Dante45Artificial Intelligence$1.5MOpen source
- OBoBot.ai45Conversational AITel Aviv, Israel$3.5M
Open source
Tryagentically40Agentic AISan Francisco, United StatesOpen source
Clara Ai40Conversational AISan Francisco, United StatesOpen source
- RERefold AI39Customer Service AutomationLondon, United Kingdom$6.5M
Open source
Symbl.ai36Voice AISan Francisco, United States$6.4MOpen source
Plurai34Conversational AITel Aviv, IsraelOpen source
Callbravo34Voice AITel Aviv, Israel$1.5MOpen source
Aquotiq32Conversational AILouth, United KingdomOpen source
Thenvoi AI Ltd31Conversational AILondon, United KingdomOpen source
IAGO22Travel$200KOpen source
- Anyvoice20Voice AI
Open source
- Meares17Conversational AI
Open source
Zenthic15Conversational AISan Francisco, United StatesOpen source
Darim14Conversational AIOpen source
Etherwaves AI14Conversational AIOpen source
Convo10Voice AISan Francisco, United StatesOpen source
Answerarc4Conversational AITel Aviv, IsraelOpen source
Appquest2Conversational AITel Aviv, IsraelOpen source
AskhorizonConversational AILondon, United KingdomOpen source
LingseeVoice AITel Aviv, IsraelOpen source
KedmahConversational AITel Aviv, IsraelOpen source
KotokuConversational AITel Aviv, IsraelOpen source
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| Bland | Voice AI | Open source | San Francisco, United States | $51.0M | 64 |
| Cognigy (NICE) | Voice Agent | Open source | Düsseldorf, Germany | — | 63 |
| Voca.ai | Speech | Open source | Tel Aviv, Israel | $6.1M | 54 |
| COCognigy | Voice Agent | Open source | Düsseldorf, Germany | $156.5M | 50 |
| Coqui | Voice AI | Open source · Self-hostable | Berlin, Germany | $2.0M | 48 |
| Cekura | Agentic AI | Open source | Tel Aviv, Israel | — | 40 |
| Metadialogues | Conversational AI | Open source | — | — | 15 |
| Google Cloud Text-to-Speech | Voice AI | Open source | Mountain View, United States | — | — |
| Getpoint | Voice AI | Open source | Tel Aviv, Israel | — | — |
| Vapi | Voice AI | Open source | San Francisco, United States | $74.3M | 65 |
| Sendbird | Conversational AI | Open source | San Mateo, United States | — | 61 |
| Nomi | AI Copilot | Open source | San Francisco, United States | $180.0M | 57 |
| Resemble AI | Voice AI | Open source | New York, United States | $36.5M | 55 |
| Rasa | Conversational AI | Open source · Self-hostable | Berlin, Germany | $13.0M | 49 |
| Saperly | Voice AI | Open source | San Francisco, United States | $2.0M | 43 |
| BLBlip | Voice AI | Open source | São Paulo, Brazil | $10.0M | 41 |
| Brieflow | Conversational AI | Open source | London, United Kingdom | — | 19 |
| Lionwire | Voice AI | Open source | — | — | 17 |
| Mirrorfly | Agentic AI | Open source | — | — | 11 |
| Domulis | Conversational AI | Open source | London, United Kingdom | — | — |
| Voice AI | Open source | — | — | — | |
| Dhvanix | Voice AI | Open source | Bengaluru, India | — | — |
| Synchuman | Voice AI | Open source | Tel Aviv, Israel | — | — |
| Denser AI | AI Chatbot | Open source | Tel Aviv, Israel | — | — |
| Revochat | Conversational AI | Open source | — | — | — |
| Xallarap | Conversational AI | Open source | — | — | — |
| Ibodycam | Voice AI | Open source | — | — | — |
| Letustalk | Voice AI | Open source | — | — | — |
| Conversational AI | Open source | — | — | — | |
| Cartesia | Voice AI | Open source | San Francisco, United States | $191.0M | 64 |
| Genesys Cloud CX | Contact Center AI | Open source | Daly City, United States | $3.9B | 64 |
| Meaning | Artificial Intelligence | Open source | Tel Aviv, Israel | — | 55 |
| Leo | Fintech | Open source | New York, United States | $6.6M | 54 |
| Vocode | Open Source | Open source · Self-hostable | San Francisco, United States | $3.8M | 50 |
| OBOBOt AI | Conversational AI | Open source | Tel Aviv, Israel | $5.0M | 49 |
| SASales Interaction Agent | Agentic AI | Open source | San Francisco, United States | $5.0M | 47 |
| Lucida AI | Artificial Intelligence | Open source | San Francisco, United States | $7.0M | 46 |
| Dante | Artificial Intelligence | Open source | — | $1.5M | 45 |
| OBoBot.ai | Conversational AI | Open source | Tel Aviv, Israel | $3.5M | 45 |
| Tryagentically | Agentic AI | Open source | San Francisco, United States | — | 40 |
| Clara Ai | Conversational AI | Open source | San Francisco, United States | — | 40 |
| RERefold AI | Customer Service Automation | Open source | London, United Kingdom | $6.5M | 39 |
| Symbl.ai | Voice AI | Open source | San Francisco, United States | $6.4M | 36 |
| Plurai | Conversational AI | Open source | Tel Aviv, Israel | — | 34 |
| Callbravo | Voice AI | Open source | Tel Aviv, Israel | $1.5M | 34 |
| Aquotiq | Conversational AI | Open source | Louth, United Kingdom | — | 32 |
| Thenvoi AI Ltd | Conversational AI | Open source | London, United Kingdom | — | 31 |
| IAGO | Travel | Open source | — | $200K | 22 |
| Voice AI | Open source | — | — | 20 | |
| Conversational AI | Open source | — | — | 17 | |
| Zenthic | Conversational AI | Open source | San Francisco, United States | — | 15 |
| Darim | Conversational AI | Open source | — | — | 14 |
| Etherwaves AI | Conversational AI | Open source | — | — | 14 |
| Convo | Voice AI | Open source | San Francisco, United States | — | 10 |
| Answerarc | Conversational AI | Open source | Tel Aviv, Israel | — | 4 |
| Appquest | Conversational AI | Open source | Tel Aviv, Israel | — | 2 |
| Askhorizon | Conversational AI | Open source | London, United Kingdom | — | — |
| Lingsee | Voice AI | Open source | Tel Aviv, Israel | — | — |
| Kedmah | Conversational AI | Open source | Tel Aviv, Israel | — | — |
| Kotoku | Conversational AI | Open source | Tel Aviv, Israel | — | — |