AI Startup Intelligence
AI Voice Agent Startups
Explore voice and speech AI startups building voice agents, transcription, speech generation, telephony infrastructure, and conversational interfaces.
Companies tracked: 89Key segments: voice agents, speech generation, transcriptionUpdated: May 11, 2026
Voice AI Market Snapshot
89
tracked companies
8
visible location clusters
8
funding signals surfaced
Voice AI is moving from standalone speech models toward full-stack agent infrastructure for calls, support, sales, and operations.
Representative Companies
A crawler-visible sample of companies from the AI Market Watch database.
| Company | Location | Funding | Focus |
|---|---|---|---|
| Moises Founded 2019 | Salt Lake City, USA | $50.25M | An AI-powered music platform and application that allows users to separate vocals and instruments from any song, master tracks, and practice music. |
| Aqua Voice Founded 2023 | San Francisco | Not disclosed | YC-backed startup providing fast, accurate, and private frontier voice input as an AI layer to write and prompt into any application. |
| Cartesia Founded 2023 | San Francisco, USA | $91M | A real-time multimodal AI company developing ultra-low latency generative voice models powered by novel State Space Model (SSM) architectures. |
| Hi Auto Founded 2019 | Tel Aviv, Israel | $23M total ($15M Series A + $4.5M Seed + $3.5M additional; plus $4M credit line) | Hi Auto automates drive-thru order-taking with AI-powered voice technology for quick-service restaurants. |
| Chime Labs Founded 2024 | Sydney, Australia | $900K AUD | An AI-powered voice receptionist platform designed specifically for tradespeople and home service businesses to automate call handling, lead qualification, and job scheduling. |
| BoldVoice Founded 2021 | New York, USA | $27.1M | An AI-powered speech and accent coaching platform designed to help non-native English speakers communicate with clarity and confidence in professional settings. |
| Flai Founded 2024 | San Francisco, USA | $6.0M | An AI-powered conversational platform that provides human-like voice assistants specifically tailored to automate phone calls, SMS, and emails for automotive dealerships. |
| Uplift AI Founded 2024 | San Francisco, USA | $3.5M | A voice-first AI platform developing foundational speech models for regional languages to provide digital access to non-literate populations in emerging markets. |
| Hume Founded 2021 | New York, USA | $73.0M ($23M + $50M Series B) | An empathic AI research lab and technology company that develops the world's first emotionally intelligent voice interface and expression measurement APIs. |
| Bolna Founded 2024 | Bengaluru, India | $6.3M | An enterprise-grade voice AI orchestration platform designed to build, deploy, and manage high-performance, multilingual AI voice agents for automated business workflows. |
| OfOne Founded 2022 | San Francisco, USA | $500K+ | An AI-powered voice automation platform specifically designed to automate drive-thru ordering for quick-service restaurants using Large Language Models (LLMs). |
| Cybernet AI Founded 2022 | Almaty, Kazakhstan | $0.0M | An enterprise-grade conversational AI platform specializing in high-accuracy speech recognition and synthesis for Turkic languages to automate large-scale customer communications. |
| Deepgram Founded 2015 | San Francisco, USA | $215M total | A foundational AI platform providing high-performance, real-time speech-to-text and text-to-speech APIs for developers and enterprises building voice-first applications. |
| NineNineSix Founded 2025 | Bishkek, Kyrgyzstan | $0 | A high-performance AI voice technology startup specializing in real-time, expressive text-to-speech (TTS) and automatic speech recognition (ASR) with a focus on underrepresented and localized languages. |
| Giga Founded 2023 | San Francisco, USA | $65.3M | An enterprise-grade voice AI platform that automates complex customer service interactions with human-like latency, emotional intelligence, and sub-second response times. |
| Subtle Founded 2024 | San Francisco, USA | $6.0M | A voice-first technology company developing specialized hardware and AI models designed for private, high-accuracy voice interaction and whisper-level dictation in any environment. |
| nocall Inc. Founded 2020 | Tokyo, Japan | ¥120M+ (Approx. $0.8M+) | A Generative AI-powered SaaS platform that automates complex telephone operations (both outbound and inbound) with human-like voice capabilities. |
| Wispr AI Founded 2021 | San Francisco, United States | $81.0M | An AI-powered voice interface that converts natural speech into perfectly formatted text and commands across any application by understanding the user's on-screen context. Supports over 100 languages. |
| Mirelo AI Founded 2023 | Berlin, Germany | $44.0M | A Berlin-based AI startup that generates synchronized sound effects and music for silent videos using advanced foundation models. |
| PolyAI Founded 2017 | London, United Kingdom | $206.0M | A leading provider of lifelike voice AI agents for enterprise customer service that builds conversational assistants to automate complex customer support interactions. |
Funding Signals
Moises
Series A
Investors: ["Connect Ventures (CAA & NEA)","monashees","Kickstart Fund","Samsung Next","Steve Aoki"]
Cartesia
Series A
Investors: ["Kleiner Perkins","Index Ventures","Lightspeed","General Catalyst","A*","Factory","Greycroft","Conviction","SV Angel","Dell Technologies Capital","Samsung Ventures"]
Hi Auto
Series A ($15M, Apr 2025 led by Delek Motors)
Investors: Delek Motors, Zisapel Family, Vasuki Tech Fund, Publicly traded strategic investor from the restaurant sector, Allied Group, Goldbell Investments, Meir Barel Group
Chime Labs
Pre-Seed
Investors: ["500 Global","Antler"]
BoldVoice
Series A (Feb 2026)
Investors: ["Matrix Partners","Flybridge Capital Partners","Y Combinator","Corazon Capital","Liquid 2 Ventures","Xfund"]
Flai
Seed Extension (Jan 2025)
Investors: ["First Round Capital","Toyota Ventures","Y Combinator","SV Angel","Liquid 2 Ventures","Innovation Endeavors"]
Uplift AI
Seed
Investors: ["Y Combinator","Pioneer Fund","Saudi Angel Investors","Riyadh Angel Investors"]
Hume
Series B ($50M, Mar 2024)
Investors: ["EQT Ventures","Union Square Ventures","Nat Friedman","Daniel Gross","Metaplanet","Northwell Holdings","Comcast Ventures","LG Technology Ventures"]