Cartesia’s playground lets developers try text to speech, speech to text, and low latency voice agents.
Voice.ai
Voice.ai provides AI voice agents, a voice changer and text-to-speech tools, with APIs and SDKs for scalable speech applications.
About Voice.ai
Voice.ai is an online platform for AI voice agents, text-to-speech and real-time voice changing. Its voice agents can handle inbound and outbound calls, and its text-to-speech supports over 15 languages. Voice cloning can work from 10 seconds of audio, and developers can use its APIs with Python and TypeScript SDKs. The service can be deployed in the cloud or on-premise, and the site says it is compliant with GDPR, SOC 2 and HIPAA.
Key features
- AI voice agents for inbound and outbound calls
- Text-to-speech in over 15 languages
- Voice cloning from 10 seconds of audio
- Real-time voice changer for gaming, streaming and chat
- APIs and SDKs for Python and TypeScript
- Integrations with Salesforce, HubSpot, Zendesk and Slack
- Cloud or on-premise deployment
Best for: Businesses that want AI calling, developers building voice features, and creators making audio.
Watch out for
- The free plan has no instant voice clones and a 5 minute limit per conversion.
- The FAQ indicates the Voice.ai Mobile App does not yet have real-time voice changing.
Voice.ai at a glance
- Website
- voice.ai
- Category
- AI & Machine Learning › AI Speech Synthesis
- Type
- Online tool
- Pricing
- Freemium
- Platforms
- Web
- Details verified
- Oct 22, 2026 · Official source
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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