replicate / audio

gemini-3.1-flash-tts

Google's fast, expressive text-to-speech model with 30 voices and 70+ language support

google/gemini-3.1-flash-tts

Source checked: 2026-09-13 · Provider endpoint, not an independently benchmarked model.

All Replicate models and deals Open source pricing ↗Pricing methodology

Pricing, with its conditions.

These are source observations, not interchangeable quotes. Token, compute-time, output-duration and per-request prices cannot be compared by the number alone. Input charges and optional features may add to the total.

Source rate	Billing unit	Conditions	Evidence
$2 USD	input token	or 500,000 tokens for $1	Public structured source
$0.04 USD	output token	or 25,000 tokens for $1	Public structured source

Supported settings from the source

voice	Voice to use for speech generation · Options: Achernar, Achird, Algenib, Algieba, Alnilam, Aoede, Autonoe, Callirrhoe, Charon, Despina, Enceladus, Erinome, Fenrir, Gacrux, Iapetus, Kore, Laomedeia, Leda, Orus, Pulcherrima, Puck, Rasalgethi, Sadachbia, Sadaltager, Schedar, Sulafat, Umbriel, Vindemiatrix, Zephyr, Zubenelgenubi · Default: Kore
language_code	Language for the speech output · Options: af-ZA, am-ET, ar-001, ar-EG, az-AZ, be-BY, bg-BG, bn-BD, ca-ES, ceb-PH, cmn-CN, cmn-tw, cs-CZ, da-DK, de-DE, el-GR, en-AU, en-GB, en-IN, en-US, es-419, es-ES, es-MX, et-EE, eu-ES, fa-IR, fi-FI, fil-PH, fr-CA, fr-FR, gl-ES, gu-IN, he-IL, hi-IN, hr-HR, ht-HT, hu-HU, hy-AM, id-ID, is-IS, it-IT, ja-JP, jv-JV, ka-GE, kn-IN, ko-KR, kok-IN, la-VA, lb-LU, lo-LA, lt-LT, lv-LV, mai-IN, mg-MG, mk-MK, ml-IN, mn-MN, mr-IN, ms-MY, my-MM, nb-NO, ne-NP, nl-NL, nn-NO, or-IN, pa-IN, pl-PL, ps-AF, pt-BR, pt-PT, ro-RO, ru-RU, sd-IN, si-LK, sk-SK, sl-SI, sq-AL, sr-RS, sv-SE, sw-KE, ta-IN, te-IN, th-TH, tr-TR, uk-UA, ur-PK, vi-VN · Default: en-US

voice

Voice to use for speech generation · Options: Achernar, Achird, Algenib, Algieba, Alnilam, Aoede, Autonoe, Callirrhoe, Charon, Despina, Enceladus, Erinome, Fenrir, Gacrux, Iapetus, Kore, Laomedeia, Leda, Orus, Pulcherrima, Puck, Rasalgethi, Sadachbia, Sadaltager, Schedar, Sulafat, Umbriel, Vindemiatrix, Zephyr, Zubenelgenubi · Default: Kore

language_code

Language for the speech output · Options: af-ZA, am-ET, ar-001, ar-EG, az-AZ, be-BY, bg-BG, bn-BD, ca-ES, ceb-PH, cmn-CN, cmn-tw, cs-CZ, da-DK, de-DE, el-GR, en-AU, en-GB, en-IN, en-US, es-419, es-ES, es-MX, et-EE, eu-ES, fa-IR, fi-FI, fil-PH, fr-CA, fr-FR, gl-ES, gu-IN, he-IL, hi-IN, hr-HR, ht-HT, hu-HU, hy-AM, id-ID, is-IS, it-IT, ja-JP, jv-JV, ka-GE, kn-IN, ko-KR, kok-IN, la-VA, lb-LU, lo-LA, lt-LT, lv-LV, mai-IN, mg-MG, mk-MK, ml-IN, mn-MN, mr-IN, ms-MY, my-MM, nb-NO, ne-NP, nl-NL, nn-NO, or-IN, pa-IN, pl-PL, ps-AF, pt-BR, pt-PT, ro-RO, ru-RU, sd-IN, si-LK, sk-SK, sl-SI, sq-AL, sr-RS, sv-SE, sw-KE, ta-IN, te-IN, th-TH, tr-TR, uk-UA, ur-PK, vi-VN · Default: en-US

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