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Data read October 27, 2026

Gradium TTS vs ElevenLabs Turbo v2: TTS API comparison

Speed cannot be compared: Coval does not measure ElevenLabs Turbo v2, so it has no P95 here.

Listener Elo is not available for both models, so voice preference is not compared. List price per million characters: $36 to $57.80 for Gradium TTS, $50 for ElevenLabs Turbo v2.

Gradium TTS is ranked 1 of 23; ElevenLabs Turbo v2 is not in the multilingual speed ranking. Every comparison on this site uses Gradium TTS as its fixed reference, and no page says either model is better overall.

Gradium TTS compared with ElevenLabs Turbo v2
MeasureGradium TTSElevenLabs Turbo v2Ahead
Rank in the multilingual speed ranking 1 not ranked n/a
Speed tier Headroom n/a n/a
Median time to first audio (ms), lower is faster 53.7 n/a n/a
P95 time to first audio (ms), lower is faster 104.3 n/a n/a
Listener Elo (Artificial Analysis) 1,174 n/a n/a
Customer-service Elo (Artificial Analysis) 1,241 n/a n/a
Naturalness (Speko) 1,592 1,492 Gradium TTS
Naturalness estimate (Cekura, 1 to 5) 4.51 n/a n/a
Reading accuracy (Cekura) 79.5% n/a n/a
Hard passages judged correct (Artificial Analysis) n/a n/a n/a
Lowest list price per 1M characters (lower is cheaper) $36 to $57.80 $50 Gradium TTS
Languages tested (Artificial Analysis, Speko) 4 0 Gradium TTS
Access Proprietary n/a n/a
Streaming status Measured Vendor documentation n/a

Ahead is computed from the figures only. A latency gap under 10 ms is a tie; listener Elo values whose 95% intervals overlap are a tie. A measure one benchmark does not hold is n/a for that model and is never estimated. See the methodology and each model page for sources.

Frequently asked questions

Is Gradium TTS faster than ElevenLabs Turbo v2?
Speed cannot be compared: Coval does not measure ElevenLabs Turbo v2, so it has no P95 here.
How do Gradium TTS and ElevenLabs Turbo v2 compare on voice quality?
Listener Elo is not available for both models, so voice preference is not compared.
Which is cheaper, Gradium TTS or ElevenLabs Turbo v2?
List price per million characters: $36 to $57.80 for Gradium TTS, $50 for ElevenLabs Turbo v2.

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