CekuraBench

ElevenLabs v4 TurbovsDeepgram Flux

ElevenLabs v4 TurboDeepgram Flux
Compare

Speed and accuracy

Left is faster. Higher reads more hard parts right.

Fast and accurate60%70%80%90%100%00.5s1s1.5s2sTime until the caller hears the voice
  • ElevenLabs v4 Turbo176 ms · 79.9%
  • Deepgram Flux194 ms · 77.4%

ElevenLabs v4 Turbo is better on non-streaming latency, streaming latency, accuracy, naturalness and price. Deepgram Flux is better on stopping.

Last updated Methodology by Dileep Chagam

Which is better at what

Measure by measure, the same sentences, the same place.

MeasureElevenLabs v4 TurboDeepgram Flux
  • Non-streaming latency (median)ElevenLabs v4 Turbo is better176 ms194 ms
  • Streaming latency (median)ElevenLabs v4 Turbo is better69 ms154 ms
  • Extra audio after a stopDeepgram Flux is betterFinishes first80 ms
  • Hard parts read rightElevenLabs v4 Turbo is better79.9%77.4%
  • Naturalness (1 to 5)ElevenLabs v4 Turbo is better4.424.16
  • Price per 1M charactersElevenLabs v4 Turbo is better$40.00$45.00
Hard parts read rightElevenLabs v4 TurboDeepgram Flux
  • Numbers and shorthand7 a.m. · 20% · 36°F · approx.71%72%
  • Codes and addressesSAVE20 · help@north-clinic.org · 1-800-555-019982%81%
  • Read from contextSt. Mary's on Main St. · Dr. Okafor88%69%
  • Medical termslevothyroxine · gastroenterology100%97%

An estimate: speech-to-text transcribers scored it, not people.

Hear both

The same sentence, read by each voice.

19 sentences, the same for both
  1. 01A greetingThanks for calling Cedar Valley Family Practice, this is Riley. How can I help you today?
  2. 02MoneyYour current balance is $1,347.09.
  3. 03A dateThe order was placed on 2026-03-14 and shipped two days later.
  4. 04Tracking codeThe tracking number is 1Z 7A4 X29 0341 8867.
  5. 05Email addressI have m.rivera88@example.org, is that still current?
  6. 06An Irish nameSiobhan Ó Briain called about the invoice.

How each ranks among all 26

MeasureElevenLabs v4 TurboDeepgram Flux
  • Non-streaming latency (median)4 of 266 of 26
  • Streaming latency (median)3 of 186 of 18
  • Extra audio after a stopn/a4 of 6
  • Hard parts read right16 of 2619 of 26
  • Naturalness (1 to 5)11 of 2626 of 26
  • Price per 1M characters18 of 2521 of 25

Related comparisons

ElevenLabs v4 Turbo vs Deepgram Flux FAQ

  • ElevenLabs v4 Turbo. ElevenLabs v4 Turbo: 176 ms. Deepgram Flux: 194 ms.

  • ElevenLabs v4 Turbo. ElevenLabs v4 Turbo: 69 ms. Deepgram Flux: 154 ms.

  • Deepgram Flux. ElevenLabs v4 Turbo: Finishes first. Deepgram Flux: 80 ms.

  • ElevenLabs v4 Turbo. ElevenLabs v4 Turbo: 79.9%. Deepgram Flux: 77.4%.

  • ElevenLabs v4 Turbo. ElevenLabs v4 Turbo: $40.00. Deepgram Flux: $45.00.