CekuraBench

Hume Octave 2vsMAI-Voice-2.1

Hume Octave 2MAI-Voice-2.1
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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
  • Hume Octave 2582 ms · 87.4%
  • MAI-Voice-2.1861 ms · 82.2%

Hume Octave 2 is better on non-streaming latency, streaming latency, accuracy and naturalness. MAI-Voice-2.1 is better on price.

Last updated Methodology by Dileep Chagam

Which is better at what

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

MeasureHume Octave 2MAI-Voice-2.1
  • Non-streaming latency (median)Hume Octave 2 is better582 ms861 ms
  • Streaming latency (median)Hume Octave 2 is better573 msCan't stream
  • Extra audio after a stopNo stop messageNo stop message
  • Hard parts read rightHume Octave 2 is better87.4%82.2%
  • Naturalness (1 to 5)Hume Octave 2 is better4.384.18
  • Price per 1M charactersMAI-Voice-2.1 is better$100.00$22.00
Hard parts read rightHume Octave 2MAI-Voice-2.1
  • Numbers and shorthand7 a.m. · 20% · 36°F · approx.87%85%
  • Codes and addressesSAVE20 · help@north-clinic.org · 1-800-555-019971%67%
  • Read from contextSt. Mary's on Main St. · Dr. Okafor100%73%
  • Medical termslevothyroxine · gastroenterology99%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

MeasureHume Octave 2MAI-Voice-2.1
  • Non-streaming latency (median)19 of 2623 of 26
  • Streaming latency (median)18 of 18n/a
  • Extra audio after a stopn/an/a
  • Hard parts read right8 of 2613 of 26
  • Naturalness (1 to 5)16 of 2624 of 26
  • Price per 1M characters25 of 259 of 25

Related comparisons

Hume Octave 2 vs MAI-Voice-2.1 FAQ

  • Hume Octave 2. Hume Octave 2: 582 ms. MAI-Voice-2.1: 861 ms.

  • Hume Octave 2. Hume Octave 2: 573 ms. MAI-Voice-2.1: Can't stream.

  • Neither has a figure. Hume Octave 2: No stop message. MAI-Voice-2.1: No stop message.

  • Hume Octave 2. Hume Octave 2: 87.4%. MAI-Voice-2.1: 82.2%.

  • MAI-Voice-2.1. Hume Octave 2: $100.00. MAI-Voice-2.1: $22.00.