Comparison · read on October 27, 2026
Gradium TTS vs ElevenLabs Eleven v4 Turbo
Two text-to-speech (TTS) models side by side, from four public benchmarks. Speed comes first, then listener rating and price; the three are never added into a score.
| Measure | Gradium TTS | ElevenLabs Eleven v4 Turbo |
|---|---|---|
| Provider | Gradium | ElevenLabs |
| Speed tier | Headroom | Fast enough |
| P95 time to first audio | 104.3 ms | 238.6 ms |
| Median time to first audio | 53.7 ms | 188.9 ms |
| Listener Elo | 1,174 | 1,333 |
| Price per 1M characters | $36 to $57.8 | $40 |
| Access | Proprietary | Proprietary |
| Rank in the full ranking | 2 | 11 |
| Rank by use case | Customer service 1, Voice agents 2, Assistants 1, Entertainment 1, Knowledge sharing 1 | Customer service 7, Voice agents 11, Assistants 7, Entertainment 7, Knowledge sharing 7 |
Which should you choose?
- Speed: Gradium TTS comes out ahead (104.3 ms against 238.6 ms at P95).
- Listener rating: ElevenLabs Eleven v4 Turbo comes out ahead (Elo 1,174 against 1,333; scores within each other's 95% intervals are a tie).
- Price: Gradium TTS comes out ahead ($36 to $57.8 against $40 per million characters, lowest list price).
Where a model is not timed or not rated, nothing is estimated. See each model page for its sources: Gradium TTS and ElevenLabs Eleven v4 Turbo.
Frequently asked questions
- Which is faster, Gradium TTS or ElevenLabs Eleven v4 Turbo?
- Speed: Gradium TTS comes out ahead (104.3 ms against 238.6 ms at P95).
- Which is rated higher by listeners, Gradium TTS or ElevenLabs Eleven v4 Turbo?
- Listener rating: ElevenLabs Eleven v4 Turbo comes out ahead (Elo 1,174 against 1,333; scores within each other's 95% intervals are a tie).
- Which is cheaper, Gradium TTS or ElevenLabs Eleven v4 Turbo?
- Price: Gradium TTS comes out ahead ($36 to $57.8 against $40 per million characters, lowest list price).
- Why is this model always on the left?
- Gradium TTS is the reference model of this site's comparison pages: it is set against every other listed model. The editor chose it; it is not chosen by rank.