Text-to-speech

OpenAI (TTS) vs Retell platform voices

A like-for-like per-minute price is not available for both. 0 of 33 European languages are documented by both; 30 only by OpenAI (TTS), 0 only by Retell platform voices.

OpenAI (TTS)

— /min

— page not fetchable · source · checked 2026-10-16

30/33 languages · Whisper language list on TTS guide

Try OpenAI (TTS) →

Retell platform voices

$0.015 /min

0.015 USD/min · source · checked 2026-10-16

0/33 languages · not documented separately

Try Retell platform voices →

Both · 0

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Only OpenAI (TTS) · 30

bg hr cs da nl en et fi fr de el hu it lv lt pl pt ro sk sl es sv no uk tr sr ca is bs mk

Only Retell platform voices · 0

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List prices, normalized to USD/min; see each provider page for assumptions. Language support from official docs. * = affiliate link; never affects comparisons.

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