Rime CodavsMAI-Voice-2.1-Flash

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
  • Rime Coda282 ms · 76.7%
  • MAI-Voice-2.1-Flash289 ms · 78.3%

Rime Coda is better on non-streaming latency, streaming latency and naturalness. MAI-Voice-2.1-Flash is better on accuracy and price.

Last updated Methodology by Dileep Chagam

Which is better at what

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

MeasureRime CodaMAI-Voice-2.1-Flash
  • Non-streaming latency (median)Rime Coda is better282 ms289 ms
  • Streaming latency (median)Rime Coda is better269 msCan't stream
  • Extra audio after a stopNo stop messageNo stop message
  • Hard parts read rightMAI-Voice-2.1-Flash is better76.7%78.3%
  • Naturalness (1 to 5)Rime Coda is better4.424.32
  • Price per 1M charactersMAI-Voice-2.1-Flash is better$50.00$15.00
Hard parts read rightRime CodaMAI-Voice-2.1-Flash
  • Numbers and shorthand7 a.m. · 20% · 36°F · approx.70%79%
  • Codes and addressesSAVE20 · help@north-clinic.org · 1-800-555-019979%67%
  • Read from contextSt. Mary's on Main St. · Dr. Okafor81%75%
  • Medical termslevothyroxine · gastroenterology93%92%

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

MeasureRime CodaMAI-Voice-2.1-Flash
  • Non-streaming latency (median)10 of 2612 of 26
  • Streaming latency (median)11 of 18n/a
  • Extra audio after a stopn/an/a
  • Hard parts read right22 of 2618 of 26
  • Naturalness (1 to 5)9 of 2622 of 26
  • Price per 1M characters22 of 252 of 25

Rime Coda vs MAI-Voice-2.1-Flash FAQ

  • Rime Coda. Rime Coda: 282 ms. MAI-Voice-2.1-Flash: 289 ms.

  • Rime Coda. Rime Coda: 269 ms. MAI-Voice-2.1-Flash: Can't stream.

  • Neither has a figure. Rime Coda: No stop message. MAI-Voice-2.1-Flash: No stop message.

  • MAI-Voice-2.1-Flash. Rime Coda: 76.7%. MAI-Voice-2.1-Flash: 78.3%.

  • MAI-Voice-2.1-Flash. Rime Coda: $50.00. MAI-Voice-2.1-Flash: $15.00.