Provider · read on October 27, 2026
Deepgram text-to-speech models, ranked by speed
3 of the 96 text-to-speech (TTS) models in this index are filed under Deepgram , led by Deepgram Flux TTS, Deepgram Aura 2 and Deepgram Aura 2 En. Same order and same measures as the full ranking.
| Rank | Model | Speed tier | P95 | Speed (shorter is faster) | Median | Listener Elo | Price per 1M chars | Best for |
|---|---|---|---|---|---|---|---|---|
| 13 |  Deepgram Flux TTSDeepgram | Fast enough | 267 ms | 197.7 ms | 1,052 | $45 | Customer service, Voice agents, Assistants, Entertainment, Knowledge sharing | |
| 24 |  Deepgram Aura 2Deepgram | Visible delay | 525.4 ms | 263 ms | Not rated | $30 | Not rated | |
| 30 |  Deepgram Aura 2 EnDeepgram | Visible delay | 985.7 ms | 527.2 ms | Not rated | Not collected | Not rated |
Frequently asked questions
- Which Deepgram TTS model is the fastest?
- Deepgram Flux TTS, with a P95 time to first audio of 267 ms in Coval's 30-day window. Of the 3 models on this page, 3 are timed.
- How are these models ordered?
- As in the full ranking: speed tier, then P95 time to first audio, with ties within 10 ms ordered by median time to first audio. Models Coval does not time follow, ordered by listener Elo; models with neither measure come last, in alphabetical order.