Turn any script into a voice that breathes
Type it, tag the emotion, press play. Sunesis renders speech that pauses, emphasises and softens like a person who means what they say, streaming in under 200ms.
Live browser audio demo, click play to hear it now.
What teams build with this
Video voiceovers
Narrate product walkthroughs, explainer videos, and social clips with a voice that sounds invested, not robotic.
Audiobook narration
Produce entire books with consistent character voices, per-line emotion direction, and chapter-perfect pacing.
Character voices
Build a cast of distinct, expressive characters for games, animation, and interactive fiction.
Conversational chatbots
Give your AI assistant a voice that carries warmth and context, streaming in real time.
Three steps, start to finish
Write & tag
Drop in your script and mark moments with inline cues, [whisper], [pause], [excited]. No timeline, no menus.
Pick a voice
Choose from 240+ voices across 32 languages, or one you cloned yourself. Preview instantly.
Stream or export
Play it live in the browser or export WAV/MP3. The same call powers your production pipeline.
What you get
Emotion cues
Bracket-tag prosody right in the text. Warmth, hesitation, excitement, modelled from real human speech.
32 languages
Native-quality delivery with dialect and accent variants, from one script.
Sub-200ms streaming
Token-by-token audio that starts speaking before the sentence finishes.
Fine controls
Dial stability, similarity, style and pace per line for the exact read you want.
Build it into your product.
Start free with 10,000 credits a month, or wire it into your stack with the Sunesis API.
SOC 2 Type II · GDPR · HIPAA-ready · No vendor lock-in