Best Supertonic Alternatives in 2025
-
Supertone AI: Professional, expressive audio with voice cloning, cleanup & real-time performance. Create high-quality sound easily.
-
NeuTTS Air: World's first on-device voice AI. Get super-realistic Text-to-Speech & instant cloning with real-time, secure, cloud-free performance.
-
World's fastest AI text-to-speech: Lightning! Get crystal-clear, natural voices for apps, content, assistants & more.
-
Kyutai TTS delivers lightning-fast, low-latency Text-to-Speech. Stream audio instantly as text is generated for real-time voice apps & AI. High fidelity.
-
Kitten TTS is an open-source realistic text-to-speech model with just 15 million parameters, designed for lightweight deployment and high-quality voice synthesis.
-
Sonic: Ultra-low latency TTS is here, the first chunk 100ms +, supports multiple languages.
-
MegaTTS3: AI TTS for bilingual voice generation (EN/CN). Lightweight, voice cloning, & accent control. Open-source!
-
Generate natural, high-fidelity audio with IndexTTS. Zero-shot voice cloning, precise Chinese pronunciation, and granular pause control for pro audio.
-
Supertone's Shift offers real-time voice changing technology. It lets users immediately switch to any selected voice. Just pick a voice and begin speaking.
-
VoxCPM: Realistic, tokenizer-free AI Text-to-Speech. Get context-aware speech generation & true-to-life voice cloning for natural audio.
-
Transform your podcasts & chatbots with FireRedTTS-2: natural, multi-speaker long-form speech. Enjoy ultra-low latency & multilingual voice cloning.
-
Liquid Audio: Unparalleled real-time speech-to-speech AI. Low-latency, high-fidelity ASR & TTS for developers to build natural voice apps.
-
Speechmatics: Real-time AI speech-to-text API. Unmatched 90%+ accuracy & speed for 55+ languages. Power enterprise voice apps.
-
Discover Step - Audio, the first production - ready open - source framework for intelligent speech interaction. Harmonize comprehension and generation, support multilingual, emotional, and dialect - rich conversations.
-
FreeTTS provides powerful TTS and STT conversion technology. Enhance your audios and remove vocals from mp3 for 100% free.
-
Inworld TTS: Ultra-realistic, real-time voice AI for dynamic characters. Experience expressive speech, sub-second latency & voice cloning for immersive digital worlds.
-
Most speech APIs break down outside the lab. Soniox transcribes, translates, and understands speech as it happens — in any environment. Production-ready from day one.
-
Spark-TTS: Natural AI Text-to-Speech. Effortless voice cloning (EN/CN). Streamlined & efficient, high-quality audio via LLMs.
-
MaskGCT (Masked Generative Codec Transformer) is a fully non-autoregressive TTS model that eliminates the need for explicit alignment information between text and speech supervision, as well as phone-level duration prediction.
-
Muyan-TTS: Open-source TTS for podcasts. Trainable, customizable voices, & fast inference. Llama-3 based. Adapt to your needs with minimal data.
-
TTSFree is a free online text-to-speech tool that converts your text into natural-sounding voices in over 140 languages. AI-powered voices sound human-like.
-
Handy: Secure, offline speech-to-text. Process audio locally, no cloud, no fees. Open-source, cross-platform, & instant dictation.
-
Higgs Audio V2: Open-source AI audio model for expressive, human-like speech. Generate multi-speaker dialogue, clone voices, and adapt emotions without fine-tuning.
-
Zonos-v0.1, a leading open weight text to speech model trained on 200k+ hours of multilingual speech. Generates natural speech, offers speech cloning, fine - tunes audio features.
-
Convert text into natural-sounding speech using an API powered by the best of Google’s AI technologies.
-
Moonshine speech-to-text models. Fast, accurate, resource-efficient. Ideal for on-device processing. Outperforms Whisper. For real-time transcription & voice commands. Empowers diverse applications.
-
Seed-TTS is a text-to-speech (TTS) model developed by ByteDance, renowned for its ability to generate natural and realistic speech.
-
Free Online Text to Speech Maker. Convert text into natural-sounding speech effortlessly. Supports multiple languages and voices. Quickly generate and download high-quality TTS MP3 files. Perfect for audiobooks, presentations, and accessibility.
-
A quick and simple way to translate text into voice.Make your message more engaging and inclusive.
-
VibeVoice generates expressive, multi-speaker long-form audio from text. Get natural podcasts & audio dramas with consistent voices.