About the Voice AI Market Map
This market map tracks 100 startups across 4 categories in the Voice AI landscape. Voice cloning, real-time speech synthesis, voice agents, and conversational interfaces making natural language the default interaction layer. Curated by Hartmann Capital's venture research team, it provides a comprehensive view of the companies building in this space, from early-stage startups to growth-stage leaders.
Categories & Companies
Voice Agents & AI Receptionists(25)
PolyAI (Series D, $200M) · Decagon (Series D, $250M) · Sierra (Series B, $175M) · Replicant (Series B, $113M) · Cognigy (Series C, $100M) · Kore.ai (Series D, $150M) · Parloa (Series B, $66M) · Hyro (Series B, $45M) · Regal (Series B, $40M) · Beside · Newo.ai (Series A, $25M) · Bland AI (Series A, $16M) · Synthflow (Seed, $7.4M) · Retell AI · Voiceflow · Convin (Series A, $6.5M) · Thoughtly (Seed, $3M) · SmartAction · Call Company · Lindy · Parlance · Elto · Dialora · Resonate AI · PieLine
Voice Cloning & Speech Synthesis(25)
ElevenLabs (Series D, $500M) · Respeecher · Cartesia · Resemble AI · WellSaid Labs · Murf AI · PlayHT · LOVO AI · Speechify · Hume AI · Papercup · deepdub · CAMB.AI (Pre-Series A, $15.5M) · Typecast AI · Replica Studios · Fish Audio · LMNT · Podcastle · Fliki · Descript · Supertone · Voicemod · Dubverse · Listnr · Tavus
Speech Recognition & Voice Intelligence(25)
Deepgram (Series C, $130M) · AssemblyAI · SoundHound (Public) · Gong (Public) · Gladia · Speechmatics · Otter.ai · Krisp · Observe.AI · Pindrop · Verbit · Fireflies.ai · Rev · Picovoice · Symbl.ai · Granola (Series B, $43M) · Fathom · Recall.ai · Read AI · Trint · Invoca · CallMiner · Avoma · Sonix · Notta
Voice Infrastructure & Communication Platforms(25)
Twilio (Public) · LiveKit · Telnyx · Bandwidth (Public) · Agora (Public) · Daily · SignalWire · Plivo · Vonage · Sinch (Public) · Genesys · Five9 (Public) · Talkdesk · Dialpad · RingCentral (Public) · NICE (Public) · Infobip · Pipecat · Vocode · Hamming · Rasa · 8x8 (Public) · Bird · Dolby.io · Ultravox
Frequently Asked Questions
- What is the Voice AI market map?
- The Voice AI market map is a curated overview of 100 startups across 4 categories : Voice Agents & AI Receptionists, Voice Cloning & Speech Synthesis, Speech Recognition & Voice Intelligence, Voice Infrastructure & Communication Platforms. Voice cloning, real-time speech synthesis, voice agents, and conversational interfaces making natural language the default interaction layer. It is maintained by Hartmann Capital's venture research team.
- How many startups are tracked?
- This map currently tracks 100 startups across 4 categories: Voice Agents & AI Receptionists (25 companies), Voice Cloning & Speech Synthesis (25 companies), Speech Recognition & Voice Intelligence (25 companies), Voice Infrastructure & Communication Platforms (25 companies).
- How can I submit my startup?
- You can submit your startup for inclusion by visiting the submission page. Submissions are reviewed by Hartmann Capital's research team.
- How often is this map updated?
- The Voice AI market map is updated on a rolling basis as new startups emerge, companies raise funding rounds, or the competitive landscape shifts.