Open source focus
Open Source Alternatives to Voxtral TTS
60 open source Voice Agent options similar to Voxtral TTS, 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.
Google Cloud Text-to-Speech15Voice AIMountain View, United StatesOpen source
Resemble AI55Voice AINew York, United States$36.5MOpen source
ElevenLabs79AILondon, United Kingdom$1.6BOpen source
Coqui48Voice AIBerlin, Germany$2.0MOpen source · Self-hostable
Cartesia64Voice AISan Francisco, United States$191.0MOpen source
Saperly43Voice AISan Francisco, United States$2.0MOpen source
Lionwire17Voice AIOpen source
Mirrorfly11Agentic AIChennai, IndiaOpen source
IbodycamVoice AIOpen source
CallrichVoice AIOpen source
GetpointVoice AIOpen source
Vapi65Voice AISan Francisco, United States$74.3MOpen source
Bland64Voice AISan Francisco, United States$51.0MOpen source
Cognigy (NICE)63Voice AgentDüsseldorf, GermanyOpen source
Vocode50Open SourceSan Francisco, United States$3.8MOpen source · Self-hostable
- COCognigy49Voice AgentDüsseldorf, Germany$156.5M
Open source
- Anyvoice22Voice AI
Open source
Metadialogues17Conversational AIOpen source
DhvanixVoice AIOpen source
SynchumanVoice AIOpen source
OpenAI84Artificial IntelligenceSan Francisco, United States$493.9BOpen source
SpaceXAI76Frontier AI LabPalo Alto, United States$90.0BOpen source
Deepgram65NeocloudSan Francisco, United States$177.1MOpen source
Sendbird61Conversational AISan Mateo, United StatesOpen source
Meaning55Artificial IntelligenceTel Aviv, IsraelOpen source
Ultravox.ai52Agentic AISan Francisco, United States$10.0MOpen source
- BLBlip42Voice AISão Paulo, Brazil$10.0M
Open source
Cekura40Agentic AITel Aviv, IsraelOpen source
Symbl.ai36Voice AISan Francisco, United States$6.4MOpen source
Tryagentically35Agentic AIOpen source
Magick AI28Agentic AIOpen source
Zenthic15Conversational AISan Francisco, United StatesOpen source
evo.ninja12Agentic AIOpen source
Modelglass12AI InfrastructureSydney, AustraliaOpen source
RevochatConversational AIOpen source
RevanipulseAgentic AIOpen source
GoumiFoundation ModelOpen source
IntervyouAI AgentOpen source
Kyutai69Frontier AI LabParis, France$300.0MOpen source · Self-hostable
Genesys Cloud CX64Contact Center AIDaly City, United States$3.9BOpen source
Chai Research58AI CompanionPalo Alto, United States$55.0MOpen source
Chai56AI ChatbotSan Francisco, United States$60.0MOpen source
Nomi55AI CopilotSan Francisco, United States$180.0MOpen source
regard54HealthcareSan Francisco, United StatesOpen source
Rasa49Conversational AIBerlin, Germany$13.0MOpen source · Self-hostable
- OBOBOt AI49Conversational AITel Aviv, Israel$5.0M
Open source
- SASales Interaction Agent49Agentic AISan Francisco, United States$5.0M
Open source
Lucida AI49Artificial IntelligenceSan Francisco, United States$13.1MOpen source
Dante45Artificial Intelligence$1.5MOpen source
- OBoBot.ai45Conversational AITel Aviv, Israel$3.5M
Open source
Outlit45Agentic AI$500KOpen source
Clara Ai35Conversational AIOpen source
Callbravo35Voice AI$1.5MOpen source
Plurai34Conversational AITel Aviv, IsraelOpen source
Aquotiq28Conversational AILouth, United KingdomOpen source
Hume AI25Voice AIUnited StatesOpen source
Thenvoi AI Ltd21Conversational AILondon, United KingdomOpen source
Jako.ai20EnterpriseTel Aviv, IsraelOpen source
Brieflow19Conversational AILondon, United KingdomOpen source
Darim17Conversational AIOpen source
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| Google Cloud Text-to-Speech | Voice AI | Open source | Mountain View, United States | — | 15 | |
| Resemble AI | Voice AI | Open source | New York, United States | $36.5M | 55 | |
| ElevenLabs | AI | Open source | London, United Kingdom | $1.6B | 79 | |
| Coqui | Voice AI | Open source · Self-hostable | Berlin, Germany | $2.0M | 48 | |
| Cartesia | Voice AI | Open source | San Francisco, United States | $191.0M | 64 | |
| Saperly | Voice AI | Open source | San Francisco, United States | $2.0M | 43 | |
| Lionwire | Voice AI | Open source | — | — | 17 | |
| Mirrorfly | Agentic AI | Open source | Chennai, India | — | 11 | |
| Ibodycam | Voice AI | Open source | — | — | — | |
| Callrich | Voice AI | Open source | — | — | — | |
| Getpoint | Voice AI | Open source | — | — | — | |
| Vapi | Voice AI | Open source | San Francisco, United States | $74.3M | 65 | |
| Bland | Voice AI | Open source | San Francisco, United States | $51.0M | 64 | |
| Cognigy (NICE) | Voice Agent | Open source | Düsseldorf, Germany | — | 63 | |
| Vocode | Open Source | Open source · Self-hostable | San Francisco, United States | $3.8M | 50 | |
| COCognigy | Voice Agent | Open source | Düsseldorf, Germany | $156.5M | 49 | |
| Voice AI | Open source | — | — | 22 | ||
| Metadialogues | Conversational AI | Open source | — | — | 17 | |
| Dhvanix | Voice AI | Open source | — | — | — | |
| Synchuman | Voice AI | Open source | — | — | — | |
| OpenAI | Artificial Intelligence | Open source | San Francisco, United States | $493.9B | 84 | |
| SpaceXAI | Frontier AI Lab | Open source | Palo Alto, United States | $90.0B | 76 | |
| Deepgram | Neocloud | Open source | San Francisco, United States | $177.1M | 65 | |
| Sendbird | Conversational AI | Open source | San Mateo, United States | — | 61 | |
| Meaning | Artificial Intelligence | Open source | Tel Aviv, Israel | — | 55 | |
| Ultravox.ai | Agentic AI | Open source | San Francisco, United States | $10.0M | 52 | |
| BLBlip | Voice AI | Open source | São Paulo, Brazil | $10.0M | 42 | |
| Cekura | Agentic AI | Open source | Tel Aviv, Israel | — | 40 | |
| Symbl.ai | Voice AI | Open source | San Francisco, United States | $6.4M | 36 | |
| Tryagentically | Agentic AI | Open source | — | — | 35 | |
| Magick AI | Agentic AI | Open source | — | — | 28 | |
| Zenthic | Conversational AI | Open source | San Francisco, United States | — | 15 | |
| evo.ninja | Agentic AI | Open source | — | — | 12 | |
| Modelglass | AI Infrastructure | Open source | Sydney, Australia | — | 12 | |
| Revochat | Conversational AI | Open source | — | — | — | |
| Revanipulse | Agentic AI | Open source | — | — | — | |
| Goumi | Foundation Model | Open source | — | — | — | |
| Intervyou | AI Agent | Open source | — | — | — | |
| Kyutai | Frontier AI Lab | Open source · Self-hostable | Paris, France | $300.0M | 69 | |
| Genesys Cloud CX | Contact Center AI | Open source | Daly City, United States | $3.9B | 64 | |
| Chai Research | AI Companion | Open source | Palo Alto, United States | $55.0M | 58 | |
| Chai | AI Chatbot | Open source | San Francisco, United States | $60.0M | 56 | |
| Nomi | AI Copilot | Open source | San Francisco, United States | $180.0M | 55 | |
| regard | Healthcare | Open source | San Francisco, United States | — | 54 | |
| Rasa | Conversational AI | Open source · Self-hostable | Berlin, Germany | $13.0M | 49 | |
| 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 | 49 | |
| Lucida AI | Artificial Intelligence | Open source | San Francisco, United States | $13.1M | 49 | |
| Dante | Artificial Intelligence | Open source | — | $1.5M | 45 | |
| OBoBot.ai | Conversational AI | Open source | Tel Aviv, Israel | $3.5M | 45 | |
| Outlit | Agentic AI | Open source | — | $500K | 45 | |
| Clara Ai | Conversational AI | Open source | — | — | 35 | |
| Callbravo | Voice AI | Open source | — | $1.5M | 35 | |
| Plurai | Conversational AI | Open source | Tel Aviv, Israel | — | 34 | |
| Aquotiq | Conversational AI | Open source | Louth, United Kingdom | — | 28 | |
| Hume AI | Voice AI | Open source | United States | — | 25 | |
| Thenvoi AI Ltd | Conversational AI | Open source | London, United Kingdom | — | 21 | |
| Jako.ai | Enterprise | Open source | Tel Aviv, Israel | — | 20 | |
| Brieflow | Conversational AI | Open source | London, United Kingdom | — | 19 | |
| Darim | Conversational AI | Open source | — | — | 17 |