Simba 3.2 is SpeechifyAI's realtime text-to-speech model, ranked #1 on Artificial Analysis with sub-100ms latency.

Can it clone a voice?

Yes, zero-shot cloning captures a speaker's identity from as little as 10 seconds of reference audio.

How many languages are supported?

It supports native-quality speech across more than 30 locales, with voices recorded in each locale for natural pronunciation.

Does it support expressive or emotional speech?

Yes, prosody-level modeling renders the same text with different emotions and supports SSML prosody control.

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What is SpeechifyAI?

SpeechifyAI is a research lab advancing speech synthesis, voice cloning, and emotional expression. Its flagship model, Simba 3.2, is ranked #1 on Artificial Analysis TTS leaderboard, offering sub-100ms latency and low cost. The platform provides a single API for streaming, voice cloning, emotion control, and multilingual synthesis across 30+ locales.

What can SpeechifyAI do?

Streaming-native architecture
Sub-100ms latency, lower time-to-first-byte.
Zero-Shot Voice Cloning
Clone any voice from as little as 10 seconds of audio.
Emotion Control
Models emotion at prosody level: speed, pitch, rhythm, tone.
Multilingual Synthesis
Native-quality speech across 30+ locales, mixed-language input.
SSML prosody control
Fine-grained control over speech prosody.
Curated voice set
Voices recorded in each locale for natural pronunciation.

Who is SpeechifyAI for?

Developers: Integrate realtime text-to-speech via API with sub-100ms latency for voice agents and appointment scheduling.
Product teams: Clone a voice from as little as 10 seconds of reference audio to give a product a consistent spoken identity.
Content creators: Generate the same text with different emotional expressions using prosody-level emotion control.
Global teams: Produce native-quality speech across 30+ locales with voices recorded in each locale.