AI Voice and Audio

Cartesia

San Francisco, United States

Cartesia is a frontier voice AI laboratory specializing in real-time conversational voice models, founded and headquartered in San Francisco, California. Founded by Karan Goel, Albert Gu, Arjun Desai, Brandon Yang, and Chris Re, Cartesia develops Sonic, the worlds fastest generative voice model with sub-90 millisecond latency designed for real-time conversational AI applications, voice agents, customer service, and live audio production. Cartesia provides the Sonic API, custom voice cloning, multilingual voice synthesis, and on-device voice models. The company has raised over 91 million in funding from Lightspeed Venture Partners, Index Ventures, A.Capital, and other top investors competing in the real-time voice AI race.

ElevenLabs

New York, United States

ElevenLabs is the leading AI voice generation and audio AI platform, founded and headquartered in New York with major operations in London. Founded by former Google and Palantir engineers Mati Staniszewski and Piotr Dabkowski, ElevenLabs develops state-of-the-art text-to-speech, voice cloning, dubbing, and conversational AI voice models supporting over 70 languages. Products include the ElevenLabs Voice Library with thousands of voices, Professional Voice Cloning, Instant Voice Cloning, ElevenLabs Studio for long-form audio production, ElevenLabs Dubbing Studio for multilingual content, the Conversational AI platform, and the ElevenLabs API serving millions of developers and major media companies including Disney, NBC Universal, Storytel, and Mattel.

Murf AI

Salt Lake City, United States

Murf AI is a leading AI voice generation platform for business and content creation, founded and headquartered in Salt Lake City, Utah with development operations in Bengaluru, India. Founded by Divyanshu Pandey, Sneha Roy, and Vivek Nair, Murf provides AI text-to-speech with over 200 lifelike voices in 20+ languages, voice cloning, voice changing, voice editing studio, video voiceover production, and the Murf API for developers. Murf serves over 5 million users including major enterprises like IBM, Cisco, and Vodafone for e-learning narration, marketing videos, podcasts, audiobooks, IVR systems, and corporate training content production at scale.

PlayAI

San Francisco, United States

PlayAI (formerly PlayHT) is a leading voice AI platform specializing in conversational voice agents and ultra-realistic text-to-speech, founded and headquartered in San Francisco, California. Founded by Hammad Syed and Mahmoud Felfel, PlayAI develops the Play 3.0 multilingual voice model, Play Note for AI podcast generation from documents, Play Agents for conversational voice AI, and the PlayAI API for developers. The platform supports voice cloning from short samples, 30+ languages, real-time conversational latency, and serves over 1 million customers from individual creators to enterprise customers building voice agents, audiobooks, e-learning, and IVR systems.

Resemble AI

Toronto, Canada

Resemble AI is a leading voice AI platform specializing in custom voice cloning and generative voice technology, founded and headquartered in Toronto, Ontario, Canada. Founded by Zohaib Ahmed and Saqib Muhammad, Resemble AI provides custom voice cloning from as little as 10 seconds of audio, real-time voice generation, multilingual voice cloning across 149+ languages, emotion control, voice style transfer, the Resemble Detect deepfake detection product, and on-premise deployment for enterprise security. Customers include major media companies, gaming studios, healthcare organizations, and accessibility services using AI voice cloning for content production, IVR systems, and personalized audio experiences.

Suno

Cambridge, United States

Suno is the leading AI music generation platform, founded and headquartered in Cambridge, Massachusetts. Founded by Mikey Shulman, Georg Kucsko, Martin Camacho, and Keenan Freyberg, all former Kensho engineers, Suno enables anyone to create complete songs with vocals, lyrics, and instrumentation from text prompts in any genre or language. The Suno V4 model produces studio-quality songs up to 8 minutes, with the Persona feature for consistent voice and style across songs, the ReMi music model for advanced lyrics, and a Discord and web platform serving millions of creators. Suno has raised 125 million from Lightspeed Venture Partners, Founder Collective, and Nat Friedman with a 500 million valuation.

Udio

New York, United States

Udio is an AI music generation platform competing with Suno, founded and headquartered in New York with operations in London. Founded by former Google DeepMind researchers including David Ding, Andrew Sanchez, and Yunpeng Li, Udio enables creators to generate complete songs with vocals, lyrics, and instrumentation from text prompts. The platform features Udio v2 with high-fidelity audio generation, song extension to 15 minutes, the Inpainting tool for editing specific sections of generated songs, voice cloning, and integration of user-uploaded audio. Udio has raised 10 million in seed funding from Andreessen Horowitz, Tom Werner, will.i.am, and Common in a competitive AI music race against Suno.