Open source focus
Open Source Alternatives to WellSaid Labs
60 open source Voice AI options similar to WellSaid Labs, 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.
Resemble AI55Voice AINew York, United States$36.5MOpen source
ElevenLabs79AILondon, United Kingdom$1.6BOpen source
Cartesia64Voice AISan Francisco, United States$191.0MOpen source
Cognigy (NICE)63Voice AgentDüsseldorf, GermanyOpen source
Coqui48Voice AIBerlin, Germany$2.0MOpen source · Self-hostable
Google Cloud Text-to-SpeechVoice AIMountain View, United StatesOpen source
Vapi65Voice AISan Francisco, United States$74.3MOpen source
Bland64Voice AISan Francisco, United States$51.0MOpen source
Sendbird61Conversational AISan Mateo, United StatesOpen source
Voca.ai54SpeechTel Aviv, Israel$6.1MOpen source
- COCognigy50Voice AgentDüsseldorf, Germany$156.5M
Open source
Saperly43Voice AISan Francisco, United States$2.0MOpen source
Lionwire17Voice AIOpen source
- CallrichVoice AI
Open source
GetpointVoice AITel Aviv, IsraelOpen source
IbodycamVoice AIOpen source
Deepgram65NeocloudSan Francisco, United States$177.1MOpen source
Genesys Cloud CX64Contact Center AIDaly City, United States$3.9BOpen source
Ultravox.ai52Agentic AISan Francisco, United States$10.0MOpen source
Vocode50Open SourceSan Francisco, United States$3.8MOpen source · Self-hostable
- BLBlip41Voice AISão Paulo, Brazil$10.0M
Open source
Cekura40Agentic AITel Aviv, IsraelOpen source
Tryagentically40Agentic AISan Francisco, United StatesOpen source
Symbl.ai36Voice AISan Francisco, United States$6.4MOpen source
Magick AI28Agentic AIOpen source
Metadialogues15Conversational AIOpen source
Zenthic15Conversational AISan Francisco, United StatesOpen source
Etherwaves AI14Conversational AIOpen source
evo.ninja12Agentic AIOpen source
IntervyouAI AgentOpen source
DhvanixVoice AIBengaluru, IndiaOpen source
XallarapConversational AIOpen source
SynchumanVoice AITel Aviv, IsraelOpen source
- QmogConversational AI
Open source
DomulisConversational AILondon, United KingdomOpen source
OpenAI84Artificial IntelligenceSan Francisco, United States$493.9BOpen source
NemoClaw75Artificial IntelligenceOpen source · Self-hostable
Manus AI75Agentic AISingapore, Singapore$150.0MOpen source
Kyutai69Frontier AI LabParis, France$300.0MOpen source · Self-hostable
Pinecone69AI InfrastructureSan Francisco, United States$138.0MOpen source
CopilotKit64Agentic AISan Francisco, United States$42.0MOpen source
TwelveLabs64Video IntelligenceSan Francisco, United States$68.0MOpen source
Sarvam AI63Agentic AIBengaluru, India$234.0MOpen source
Lakera AI AG63AI SecurityBerlin, Germany$12.0MOpen source
Chai Research63AI CompanionPalo Alto, United States$55.0MOpen source
Rasa Technologies GmbH62Conversational AISan Francisco, United States$73.4MOpen source
Vectara60Agentic AIPalo Alto, United States$40.0MOpen source
Agency58Agentic AISan Francisco, United States$20.0MOpen source
Nomi57AI CopilotSan Francisco, United States$180.0MOpen source
Chai56AI ChatbotSan Francisco, United States$62.0MOpen source
pleias55AI InfrastructureParis, FranceOpen source
Graphite55AI Coding AssistantSan Francisco, United StatesOpen source
Meaning55Artificial IntelligenceTel Aviv, IsraelOpen source
Spotlight.ai55EnterpriseTel Aviv, Israel$1.0MOpen source
Knostic54Cybersecurity$14.3MOpen source
KiloClaw54Artificial IntelligenceOpen source · Self-hostable
regard54HealthcareSan Francisco, United StatesOpen source
giniX54Generative AITel Aviv, IsraelOpen source
Arthur51Agentic AISan Francisco, United States$10.0MOpen source
Visual Layer50DatabaseTel Aviv, Israel$7.0MOpen source · Self-hostable
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| Resemble AI | Voice AI | Open source | New York, United States | $36.5M | 55 |
| ElevenLabs | AI | Open source | London, United Kingdom | $1.6B | 79 |
| Cartesia | Voice AI | Open source | San Francisco, United States | $191.0M | 64 |
| Cognigy (NICE) | Voice Agent | Open source | Düsseldorf, Germany | — | 63 |
| Coqui | Voice AI | Open source · Self-hostable | Berlin, Germany | $2.0M | 48 |
| Google Cloud Text-to-Speech | Voice AI | Open source | Mountain View, United States | — | — |
| Vapi | Voice AI | Open source | San Francisco, United States | $74.3M | 65 |
| Bland | Voice AI | Open source | San Francisco, United States | $51.0M | 64 |
| Sendbird | Conversational AI | Open source | San Mateo, United States | — | 61 |
| Voca.ai | Speech | Open source | Tel Aviv, Israel | $6.1M | 54 |
| COCognigy | Voice Agent | Open source | Düsseldorf, Germany | $156.5M | 50 |
| Saperly | Voice AI | Open source | San Francisco, United States | $2.0M | 43 |
| Lionwire | Voice AI | Open source | — | — | 17 |
| Voice AI | Open source | — | — | — | |
| Getpoint | Voice AI | Open source | Tel Aviv, Israel | — | — |
| Ibodycam | Voice AI | Open source | — | — | — |
| Deepgram | Neocloud | Open source | San Francisco, United States | $177.1M | 65 |
| Genesys Cloud CX | Contact Center AI | Open source | Daly City, United States | $3.9B | 64 |
| Ultravox.ai | Agentic AI | Open source | San Francisco, United States | $10.0M | 52 |
| Vocode | Open Source | Open source · Self-hostable | San Francisco, United States | $3.8M | 50 |
| BLBlip | Voice AI | Open source | São Paulo, Brazil | $10.0M | 41 |
| Cekura | Agentic AI | Open source | Tel Aviv, Israel | — | 40 |
| Tryagentically | Agentic AI | Open source | San Francisco, United States | — | 40 |
| Symbl.ai | Voice AI | Open source | San Francisco, United States | $6.4M | 36 |
| Magick AI | Agentic AI | Open source | — | — | 28 |
| Metadialogues | Conversational AI | Open source | — | — | 15 |
| Zenthic | Conversational AI | Open source | San Francisco, United States | — | 15 |
| Etherwaves AI | Conversational AI | Open source | — | — | 14 |
| evo.ninja | Agentic AI | Open source | — | — | 12 |
| Intervyou | AI Agent | Open source | — | — | — |
| Dhvanix | Voice AI | Open source | Bengaluru, India | — | — |
| Xallarap | Conversational AI | Open source | — | — | — |
| Synchuman | Voice AI | Open source | Tel Aviv, Israel | — | — |
| Conversational AI | Open source | — | — | — | |
| Domulis | Conversational AI | Open source | London, United Kingdom | — | — |
| OpenAI | Artificial Intelligence | Open source | San Francisco, United States | $493.9B | 84 |
| NemoClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 75 |
| Manus AI | Agentic AI | Open source | Singapore, Singapore | $150.0M | 75 |
| Kyutai | Frontier AI Lab | Open source · Self-hostable | Paris, France | $300.0M | 69 |
| Pinecone | AI Infrastructure | Open source | San Francisco, United States | $138.0M | 69 |
| CopilotKit | Agentic AI | Open source | San Francisco, United States | $42.0M | 64 |
| TwelveLabs | Video Intelligence | Open source | San Francisco, United States | $68.0M | 64 |
| Sarvam AI | Agentic AI | Open source | Bengaluru, India | $234.0M | 63 |
| Lakera AI AG | AI Security | Open source | Berlin, Germany | $12.0M | 63 |
| Chai Research | AI Companion | Open source | Palo Alto, United States | $55.0M | 63 |
| Rasa Technologies GmbH | Conversational AI | Open source | San Francisco, United States | $73.4M | 62 |
| Vectara | Agentic AI | Open source | Palo Alto, United States | $40.0M | 60 |
| Agency | Agentic AI | Open source | San Francisco, United States | $20.0M | 58 |
| Nomi | AI Copilot | Open source | San Francisco, United States | $180.0M | 57 |
| Chai | AI Chatbot | Open source | San Francisco, United States | $62.0M | 56 |
| pleias | AI Infrastructure | Open source | Paris, France | — | 55 |
| Graphite | AI Coding Assistant | Open source | San Francisco, United States | — | 55 |
| Meaning | Artificial Intelligence | Open source | Tel Aviv, Israel | — | 55 |
| Spotlight.ai | Enterprise | Open source | Tel Aviv, Israel | $1.0M | 55 |
| Knostic | Cybersecurity | Open source | — | $14.3M | 54 |
| KiloClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 54 |
| regard | Healthcare | Open source | San Francisco, United States | — | 54 |
| giniX | Generative AI | Open source | Tel Aviv, Israel | — | 54 |
| Arthur | Agentic AI | Open source | San Francisco, United States | $10.0M | 51 |
| Visual Layer | Database | Open source · Self-hostable | Tel Aviv, Israel | $7.0M | 50 |