CekuraBench

ElevenLabs v4vsHume Octave 2

ElevenLabs v4Hume Octave 2
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 v4678 ms · 80.4%
  • Hume Octave 2582 ms · 87.4%

ElevenLabs v4 is better on streaming latency, naturalness and price. Hume Octave 2 is better on non-streaming latency and accuracy.

Last updated Methodology by Dileep Chagam

Which is better at what

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

MeasureElevenLabs v4Hume Octave 2
  • Non-streaming latency (median)Hume Octave 2 is better678 ms582 ms
  • Streaming latency (median)ElevenLabs v4 is better561 ms573 ms
  • Extra audio after a stopFinishes firstNo stop message
  • Hard parts read rightHume Octave 2 is better80.4%87.4%
  • Naturalness (1 to 5)ElevenLabs v4 is better4.424.38
  • Price per 1M charactersElevenLabs v4 is better$80.00$100.00
Hard parts read rightElevenLabs v4Hume Octave 2
  • Numbers and shorthand7 a.m. · 20% · 36°F · approx.72%87%
  • Codes and addressesSAVE20 · help@north-clinic.org · 1-800-555-019983%71%
  • Read from contextSt. Mary's on Main St. · Dr. Okafor88%100%
  • Medical termslevothyroxine · gastroenterology100%99%

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 v4Hume Octave 2
  • Non-streaming latency (median)20 of 2619 of 26
  • Streaming latency (median)17 of 1818 of 18
  • Extra audio after a stopn/an/a
  • Hard parts read right15 of 268 of 26
  • Naturalness (1 to 5)9 of 2616 of 26
  • Price per 1M characters23 of 2525 of 25

Related comparisons

ElevenLabs v4 vs Hume Octave 2 FAQ

  • Hume Octave 2. ElevenLabs v4: 678 ms. Hume Octave 2: 582 ms.

  • ElevenLabs v4. ElevenLabs v4: 561 ms. Hume Octave 2: 573 ms.

  • Neither has a figure. ElevenLabs v4: Finishes first. Hume Octave 2: No stop message.

  • Hume Octave 2. ElevenLabs v4: 80.4%. Hume Octave 2: 87.4%.

  • ElevenLabs v4. ElevenLabs v4: $80.00. Hume Octave 2: $100.00.