Speech-to-Text · Multilingual

Lithuanian

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Benchmarks

X
Y
500ms1.00s1.50s10.0%20.0%30.0%Finalize latency lower is betterWER lower is betterSoniox stt-rt-v5OpenAI GPT Realtime WhisperOpenAI GPT Live TranscribeElevenLabs Scribe v2 RealtimexAI Grok STTDeepgram Nova-3Gladia Solaria-1speko.ai/benchmarks

WER

Share of words the transcript got wrong.

ModulateModulateVelma 2 multilingualTry →8.4%
Sonioxstt-rt-v5Try →11.1%
OpenAIGPT Realtime Whisper11.3%
OpenAIGPT Live TranscribeTry →11.7%
ElevenLabsScribe v2 RealtimeTry →12.0%
DeepgramNova-3Try →21.8%
xAIGrok STTTry →24.6%
GladiaSolaria-1Try →35.4%
CartesiaInk-WhisperTry →36.1%
0.0%10.0%20.0%30.0%40.0%

Finalize latency

lower is better

Time from the caller stopping to the finalized transcript, not the first partial — the agent cannot reply until it lands. Measured on English audio; Lithuanian has no sweep of its own yet.

DeepgramNova-3Try →189ms · 770ms
Sonioxstt-rt-v5Try →340ms · 1.33s
OpenAIGPT Live TranscribeTry →620ms · 770ms
OpenAIGPT TranscribeTry →817ms · 1.17s
OpenAIGPT-4o mini TranscribeTry →822ms · 1.09s
OpenAIGPT-4o TranscribeTry →848ms · 1.18s
GladiaSolaria-1Try →910ms · 3.10s
xAIGrok STTTry →1.13s · 1.34s
OpenAIGPT Realtime Whisper1.14s · 2.26s
ElevenLabsScribe v2 RealtimeTry →1.75s · 1.98s
0ms300ms600ms900ms1.20s

p50 p90

Time to first token

lower is better

How long before the first word of the transcript arrives. Measured on English audio; Lithuanian has no sweep of its own yet.

DeepgramNova-3Try →976ms · 1.98s
xAIGrok STTTry →1.03s · 2.01s
Sonioxstt-rt-v5Try →1.53s · 2.04s
GladiaSolaria-1Try →1.61s · 3.65s
OpenAIGPT Live TranscribeTry →1.72s · 2.24s
OpenAIGPT Realtime Whisper1.81s · 2.30s
ElevenLabsScribe v2 RealtimeTry →2.22s · 2.36s
OpenAIGPT TranscribeTry →6.28s · 10.9s
OpenAIGPT-4o mini TranscribeTry →6.33s · 10.6s
OpenAIGPT-4o TranscribeTry →6.40s · 10.8s
0ms2.00s4.00s6.00s8.00s

p50 p90

Cost

lower is better

$ per 1,000 minutes of audio · vendor list price, the same in every language