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ElevenLabs · Proprietary · Read 2026-10-27

ElevenLabs Eleven v4 Turbo: latency, voice quality, price and languages

Rank
8 / 23
Speed tier
Fast enough
P95
238.6 ms
Price / 1M chars
$40

ElevenLabs Eleven v4 Turbo is a proprietary text-to-speech model from ElevenLabs. Coval measures a median of 188.9 ms and a P95 of 238.6 ms to first audio, which puts it in the Fast enough speed tier, rank 8 of 23 in the multilingual ranking. Artificial Analysis or Speko tested it in 9 languages.

This summary is generated from the measures below; it is not a vendor description. Measures a source does not hold are shown as n/a and are never estimated.

Speed (Coval, 30 days, US East, English)

Speed tierFast enough
Median time to first audio188.9 ms
P90221.9 ms
P95238.6 ms
Mean194.2 ms
Standard deviation46.7 ms
Calls in the window2,466
Cekura median, streamed text69 ms
Cekura median, full text176 ms

Voice quality (never added together)

Listener Elo (Artificial Analysis)1,333 ±16
Customer-service Elo (Artificial Analysis)1,372 ±33
Naturalness (Speko)1,670
Naturalness estimate (Cekura, 1 to 5)4.42

Accuracy

Reading accuracy (Cekura)79.9%
Numbers (Cekura)71%
Codes (Cekura)82%
Context (Cekura)88%
Medical terms (Cekura)100%
Hard passages judged correct (Artificial Analysis)90.1%
Numbers and dates (Speko score)0.90
Word error rate (Coval)1.7%

Price per 1 million characters

Range across sources$40
Artificial Analysis$40
Speko$40
Coval$40
Cekura$40

Coverage

AccessProprietary
StreamingMeasured
Coval tagsemotion-control, multilingual, voice-cloning
Rated forKnowledge sharing, Assistants, Entertainment, Customer service, Voice agents
Languages testedArabic, Chinese, French, German, Hindi, Japanese, Portuguese, Spanish, Vietnamese

Not collected

Every measure of the database is filled for this model.

Sources

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Frequently asked questions

How fast is ElevenLabs Eleven v4 Turbo?
Coval measures a median time to first audio of 188.9 ms and a P95 of 238.6 ms for ElevenLabs Eleven v4 Turbo, over 30 days from the US East in English (Fast enough tier).
How much does ElevenLabs Eleven v4 Turbo cost?
The benchmarks print a list price of $40 per million characters for ElevenLabs Eleven v4 Turbo.
Which languages was ElevenLabs Eleven v4 Turbo tested in?
Artificial Analysis or Speko tested ElevenLabs Eleven v4 Turbo in Arabic, Chinese, French, German, Hindi, Japanese, Portuguese, Spanish, Vietnamese.