An index of frontier and emerging AI labs.
Voice
Speech AI model lab providing transcription, audio intelligence, speaker detection, and real-time voice APIs for developers. Builds proprietary speech models rather than only wrapping third-party ASR.
| Name | AssemblyAI |
|---|---|
| Space | Voice |
| Founded | 2017 |
| Latest valuation | ~$650M |
| Stage | — |
| Status | active |
| HQ | San Francisco |
| Founders | Dylan Fox |
| Website | https://www.assemblyai.com |
| Careers | https://www.assemblyai.com/careers |
| — | |
| X / Twitter | — |
| Date | Round | Amount ($M) | Valuation | Confidence | Source |
|---|---|---|---|---|---|
| — | — | — | ~$650M | reported | — |
No founders recorded yet. Submit info.
| Date | Type | Title | Source |
|---|---|---|---|
| 2026-06-14 | added | AssemblyAI added to tracker Latest valuation: ~$650M. | — |
No sources cited.
| Lab | Valuation | Founded |
|---|---|---|
| ElevenLabs | $11B | 2022 |
| Cresta | $1.6B | 2017 |
| Deepgram | $1.3B | 2015 |
| Kyutai | >$1B | 2023 |
| Sesame | >$1B | 2023 |
| Inworld AI | ~$500M | 2021 |
| Hume AI | ~$220M | 2021 |
| Bland AI | ~$200M | 2023 |