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Text-to-Speech · Multilingual

Telugu

Language

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Benchmarks

X
Y
200ms400ms600ms800ms15501600Time to first audio lower is betterNaturalness higher is betterCartesia sonic-3.5Gemini 3.1-flash-tts-previewMaya 2 Nativespeko.ai/benchmarks

Naturalness

higher is better

1500 is this language's own field — not comparable across languages.

field averagetied with bestSpeechifySpeechifysimba-multilingual1269AzureAzureAI Speech (native)1419SpeechifySpeechifysimba-3.51484Maya2 Native1540Google ChirpGoogle Chirp3-hd1548GeminiGemini3.1-flash-tts-preview1625Cartesiasonic-3.51639
10001200140016001800

Time to first audio

lower is better

The pause the caller hears before the agent starts speaking. Figures are the English measurement — Telugu has no sweep of its own yet.

Maya2 Native100ms · 114ms
Cartesiasonic-3.5108ms · 234ms
GeminiGemini3.1-flash-tts-preview810ms · 987ms
0ms300ms600ms900ms

p50 p90

Robustness

higher is better

Whether the voice says the right words for a number, date, currency amount or operator.

0.75
Gemini0.70
Google Chirp0.43
0.10
Speechify0.00
0.000.250.500.751.00

Cost

lower is better

$ per 1M characters · vendor list price, the same in every language

$4
$20
$33
$50
Maya2 NativeSpeechifySpeechifysimba-3.5GeminiGemini3.1-flash-tts-previewCartesiasonic-3.5