Alternatives to NVIDIA Riva
The top AI Infrastructure companies similar to NVIDIA Riva, ranked by relevance (named competitors first, then how closely their sectors overlap) and our 0-100 AI-readiness score. Each links to a full profile with funding and team.
Kalpa Labs85Voice AgentSan Francisco, United States$2.0M
Harbinger58Conversational AISan Francisco, United States$393.0M
David AI54Voice Agent$77.1M
Vocode50Open SourceSan Francisco, United States$3.8M
Symbl.ai36Voice AISan Francisco, United States$6.4M
Twang35VoiceSan Francisco, United States
Intellectum Systems23Speech
Onvego19SpeechTel Aviv, Israel
Microsoft Azure SpeechAI Infrastructure- KcrdVoice AI
DocAideHealthTechNew York, United States$1.5M
Kyutai69Frontier AI LabParis, France$300.0M
Willow67Voice AI$435.0M
Whisp Flow66Artificial IntelligenceSan Francisco, United States
Vapi65Voice AISan Francisco, United States$74.3M
Bland64Voice AISan Francisco, United States$51.0M
Krisp AI Meeting Assistant63Voice AIBerkeley, United States$5.0M
Cognigy (NICE)63Voice AgentDüsseldorf, Germany
Orbita, Inc.63Conversational AIWaltham, United States$12.0M
Sanas63SpeechPalo Alto, United States$159.3M
Sendbird61Conversational AISan Mateo, United States
Salient58Voice AgentSan Francisco, United States$78.4M
Lambda AI Cloud58Cloud InfrastructureSan Jose, United States$425.0M
Nomi57AI CopilotSan Francisco, United States$180.0M
AssemblyAI56Voice AISan Francisco, United States$112.0M
AudioBurst55New MediaTel Aviv, Israel$24.3M
Sembly AI55Conversational AITel Aviv, Israel$10.0M
Kardome54SpeechTel Aviv, Israel$11.0M
Voca.ai54SpeechTel Aviv, Israel$6.1M
Regal Voice Inc.53Voice AISan Francisco, United States
Echo Labs53EdTechSan Francisco, United States
Digitalhumans53Voice AITel Aviv, Israel
Brev52NeocloudSan Francisco, United States$3.3M
Hamming AI52Voice AISan Francisco, United States$4.5M
Podcastle51Voice AITel Aviv, Israel$8.8M
NLX51Conversational AINew York, United States$40.0M- SLSlingshot AI51Voice AgentSan Francisco, United States$96.3M
Voize51Voice AITel Aviv, Israel$54.0M- COCognigy50Voice AgentDüsseldorf, Germany$156.5M
SoundHound AI50Agentic AISanta Clara, United States$587.7M
Spectral Compute49AI InfrastructureCambridge, United Kingdom$29.0M
Certus AI48Voice AI$1.5M
Tenyx48EnterpriseSan Francisco, United States$15.0M
Yoodli48Voice AISan Francisco, United States$15.0M
Vogent47Artificial IntelligenceSan Francisco, United States$1.5M
Marr Labs47Voice AgentSan Francisco, United States
bluedot46Artificial IntelligenceSan Francisco, United States
Air46Voice AgentSan Francisco, United States$108.0M
Gnani Innovations Private Limited45Voice AIBangalore, India$5.0M
Trillet AI45Voice AgentTel Aviv, Israel$50.0M- 36360VUZ42Voice AIDubai, United Arab Emirates
Humanix40Conversational AISan Francisco, United States$18.0M
Eden AI40API PlatformParis, France
Relyon.ai40Security
Sumit-AI40Media
Voiceman AI40Voice AIRaanana, Israel
Cekura40Agentic AITel Aviv, Israel- Iris Tech40Voice AITel Aviv, Israel
Innervue39EnterpriseTel Aviv, Israel- ASAster39Conversational AISan Francisco, United States$3.5M
| Company | Sector | HQ | Funding | Score |
|---|---|---|---|---|
| Kalpa Labs | Voice Agent | San Francisco, United States | $2.0M | 85 |
| Harbinger | Conversational AI | San Francisco, United States | $393.0M | 58 |
| David AI | Voice Agent | — | $77.1M | 54 |
| Vocode | Open Source | San Francisco, United States | $3.8M | 50 |
| Symbl.ai | Voice AI | San Francisco, United States | $6.4M | 36 |
| Twang | Voice | San Francisco, United States | — | 35 |
| Intellectum Systems | Speech | — | — | 23 |
| Onvego | Speech | Tel Aviv, Israel | — | 19 |
| Microsoft Azure Speech | AI Infrastructure | — | — | — |
| Voice AI | — | — | — | |
| DocAide | HealthTech | New York, United States | $1.5M | — |
| Kyutai | Frontier AI Lab | Paris, France | $300.0M | 69 |
| Willow | Voice AI | — | $435.0M | 67 |
| Whisp Flow | Artificial Intelligence | San Francisco, United States | — | 66 |
| Vapi | Voice AI | San Francisco, United States | $74.3M | 65 |
| Bland | Voice AI | San Francisco, United States | $51.0M | 64 |
| Krisp AI Meeting Assistant | Voice AI | Berkeley, United States | $5.0M | 63 |
| Cognigy (NICE) | Voice Agent | Düsseldorf, Germany | — | 63 |
| Orbita, Inc. | Conversational AI | Waltham, United States | $12.0M | 63 |
| Sanas | Speech | Palo Alto, United States | $159.3M | 63 |
| Sendbird | Conversational AI | San Mateo, United States | — | 61 |
| Salient | Voice Agent | San Francisco, United States | $78.4M | 58 |
| Lambda AI Cloud | Cloud Infrastructure | San Jose, United States | $425.0M | 58 |
| Nomi | AI Copilot | San Francisco, United States | $180.0M | 57 |
| AssemblyAI | Voice AI | San Francisco, United States | $112.0M | 56 |
| AudioBurst | New Media | Tel Aviv, Israel | $24.3M | 55 |
| Sembly AI | Conversational AI | Tel Aviv, Israel | $10.0M | 55 |
| Kardome | Speech | Tel Aviv, Israel | $11.0M | 54 |
| Voca.ai | Speech | Tel Aviv, Israel | $6.1M | 54 |
| Regal Voice Inc. | Voice AI | San Francisco, United States | — | 53 |
| Echo Labs | EdTech | San Francisco, United States | — | 53 |
| Digitalhumans | Voice AI | Tel Aviv, Israel | — | 53 |
| Brev | Neocloud | San Francisco, United States | $3.3M | 52 |
| Hamming AI | Voice AI | San Francisco, United States | $4.5M | 52 |
| Podcastle | Voice AI | Tel Aviv, Israel | $8.8M | 51 |
| NLX | Conversational AI | New York, United States | $40.0M | 51 |
| SLSlingshot AI | Voice Agent | San Francisco, United States | $96.3M | 51 |
| Voize | Voice AI | Tel Aviv, Israel | $54.0M | 51 |
| COCognigy | Voice Agent | Düsseldorf, Germany | $156.5M | 50 |
| SoundHound AI | Agentic AI | Santa Clara, United States | $587.7M | 50 |
| Spectral Compute | AI Infrastructure | Cambridge, United Kingdom | $29.0M | 49 |
| Certus AI | Voice AI | — | $1.5M | 48 |
| Tenyx | Enterprise | San Francisco, United States | $15.0M | 48 |
| Yoodli | Voice AI | San Francisco, United States | $15.0M | 48 |
| Vogent | Artificial Intelligence | San Francisco, United States | $1.5M | 47 |
| Marr Labs | Voice Agent | San Francisco, United States | — | 47 |
| bluedot | Artificial Intelligence | San Francisco, United States | — | 46 |
| Air | Voice Agent | San Francisco, United States | $108.0M | 46 |
| Gnani Innovations Private Limited | Voice AI | Bangalore, India | $5.0M | 45 |
| Trillet AI | Voice Agent | Tel Aviv, Israel | $50.0M | 45 |
| 36360VUZ | Voice AI | Dubai, United Arab Emirates | — | 42 |
| Humanix | Conversational AI | San Francisco, United States | $18.0M | 40 |
| Eden AI | API Platform | Paris, France | — | 40 |
| Relyon.ai | Security | — | — | 40 |
| Sumit-AI | Media | — | — | 40 |
| Voiceman AI | Voice AI | Raanana, Israel | — | 40 |
| Cekura | Agentic AI | Tel Aviv, Israel | — | 40 |
| Voice AI | Tel Aviv, Israel | — | 40 | |
| Innervue | Enterprise | Tel Aviv, Israel | — | 39 |
| ASAster | Conversational AI | San Francisco, United States | $3.5M | 39 |