Which is faster, Gradium TTS or ElevenLabs Flash v2.5?

Speed: Gradium TTS comes out ahead (104.3 ms against 255.1 ms at P95).

Which is rated higher by listeners, Gradium TTS or ElevenLabs Flash v2.5?

Listener rating: Gradium TTS comes out ahead (Elo 1,174 against 1,076; scores within each other's 95% intervals are a tie).

Which is cheaper, Gradium TTS or ElevenLabs Flash v2.5?

Price: Gradium TTS comes out ahead ($36 to $57.8 against $40 to $50 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.

Comparison · read on October 27, 2026

Gradium TTS vs ElevenLabs Flash v2.5

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 Flash v2.5
Provider	Gradium	ElevenLabs
Speed tier	Headroom	Fast enough
P95 time to first audio	104.3 ms	255.1 ms
Median time to first audio	53.7 ms	191 ms
Listener Elo	1,174	1,076
Price per 1M characters	$36 to $57.8	$40 to $50
Access	Proprietary	Proprietary
Rank in the full ranking	2	12
Rank by use case	Customer service 1, Voice agents 2, Assistants 1, Entertainment 1, Knowledge sharing 1	Customer service 8, Voice agents 12, Assistants 8, Entertainment 8, Knowledge sharing 8

Which should you choose?

Speed: Gradium TTS comes out ahead (104.3 ms against 255.1 ms at P95).
Listener rating: Gradium TTS comes out ahead (Elo 1,174 against 1,076; scores within each other's 95% intervals are a tie).
Price: Gradium TTS comes out ahead ($36 to $57.8 against $40 to $50 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 Flash v2.5.

Frequently asked questions

Which is faster, Gradium TTS or ElevenLabs Flash v2.5?: Speed: Gradium TTS comes out ahead (104.3 ms against 255.1 ms at P95).
Which is rated higher by listeners, Gradium TTS or ElevenLabs Flash v2.5?: Listener rating: Gradium TTS comes out ahead (Elo 1,174 against 1,076; scores within each other's 95% intervals are a tie).
Which is cheaper, Gradium TTS or ElevenLabs Flash v2.5?: Price: Gradium TTS comes out ahead ($36 to $57.8 against $40 to $50 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.