Every word, every speaker, captured
Sunesis transcribes audio and video with speaker labels, timestamps and audio-event tags, accurate enough for captions, structured enough to build on.
Live browser audio demo, click play to hear it now.
What teams build with this
Live captions
Stream accurate, speaker-aware captions for events, meetings, and broadcasts in real time.
Content accessibility
Auto-generate captions for every video, WCAG-compliant, speaker-labelled, and timestamped.
Meeting intelligence
Transcribe calls with speaker diarization and emotion tags for searchable, structured records.
Media indexing
Turn audio archives into searchable text, find any moment by who said what.
Three steps, start to finish
Record or upload
Hit the mic or drop in a file, Sunesis handles noisy, real-world audio.
Get structured text
Words arrive with timestamps, speaker turns and event tags.
Export or pipe it
Download captions or stream the transcript straight into your app.
What you get
Speaker diarisation
Knows who said what, even when voices overlap.
Multilingual
Transcribe across languages, with auto-detection built in.
Event tags
Laughter, applause and pauses marked inline for richer transcripts.
Streaming or batch
Live captions as it happens, or high-accuracy passes on files.
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